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RFC 2561
Network Working Group K. White
Request for Comments: 2561 IBM Corp.
Category: Standards Track R. Moore
IBM Corp.
April 1999
Base Definitions of Managed Objects for
TN3270E Using SMIv2
Status of this Memo
This document specifies an Internet standards track protocol for the
Internet community, and requests discussion and suggestions for
improvements. Please refer to the current edition of the "Internet
Official Protocol Standards" (STD 1) for the standardization state
and status of this protocol. Distribution of this memo is unlimited.
Copyright Notice
Copyright (C) The Internet Society (1999). All Rights Reserved.
Abstract
This memo defines a Management Information Base (MIB) for configuring
and managing TN3270E servers. TN3270E, defined by RFC 2355 [19],
refers to the enhancements made to the Telnet 3270 (TN3270) terminal
emulation practices. Refer to RFC 1041 [18], STD 8, RFC 854 [16],
and STD 31, RFC 860 [17] for a sample of what is meant by TN3270
practices.
The MIB defined by this memo provides generic support for both host
and gateway TN3270E server implementations. A TN3270E server
connects a Telnet client performing 3270 emulation to a target SNA
host over both a client-side network (client to TN3270E server) and
an SNA Network (TN3270E server to target SNA host). The client-side
network is typically TCP/IP, but it need not be.
A host TN3270E server refers to an implementation where the TN3270E
server is collocated with the Systems Network Architecture (SNA)
System Services Control Point (SSCP) for the dependent Secondary
Logical Units (SLUs) that the server makes available to its clients
for connecting into a SNA network. A gateway TN3270E server resides
on an SNA node other than an SSCP, either an SNA type 2.0 node, a
boundary-function-attached type 2.1 node, or an APPN node acting in
the role of a Dependent LU Requester (DLUR). Host and gateway
TN3270E server implementations typically differ greatly as to their
internal implementation and system definition (SYSDEF) methods.
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RFC 2561 TN3270E Using SMIv2 MIB April 1999
It is the intent that the MIB defined herein be extended by
subsequent memos. For example, one such extension enables collection
of TN3270E response time data.
Table of Contents
1.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . 2
2.0 The SNMP Network Management Framework . . . . . . . . . . 3
3.0 Structure of the MIB . . . . . . . . . . . . . . . . . . . 4
3.1 TN3270E Server Control . . . . . . . . . . . . . . . . . . 5
3.1.1 tn3270eSrvrConfTable . . . . . . . . . . . . . . . . . 5
3.1.2 tn3270eSrvrPortTable . . . . . . . . . . . . . . . . . 6
3.1.3 tn3270eSrvrStatsTable . . . . . . . . . . . . . . . . 7
3.2 TN3270E Server Resource Configuration . . . . . . . . . . 7
3.3 Resource Name / Client Address Mappings . . . . . . . . . 8
3.3.1 tn3270eSnaMapTable . . . . . . . . . . . . . . . . . . 8
3.3.2 tn3270eResMapTable . . . . . . . . . . . . . . . . . . 9
3.3.3 tn3270eTcpConnTable . . . . . . . . . . . . . . . . . 9
3.4 Advisory Spin Lock Usage . . . . . . . . . . . . . . . . . 9
3.5 Row Persistence . . . . . . . . . . . . . . . . . . . . . 10
3.6 IANA Considerations . . . . . . . . . . . . . . . . . . . 10
4.0 Definitions . . . . . . . . . . . . . . . . . . . . . . . 11
5.0 Security Considerations . . . . . . . . . . . . . . . . . 51
6.0 Intellectual Property . . . . . . . . . . . . . . . . . . 52
7.0 Acknowledgments . . . . . . . . . . . . . . . . . . . . . 53
8.0 References . . . . . . . . . . . . . . . . . . . . . . . . 53
9.0 Authors' Addresses . . . . . . . . . . . . . . . . . . . . 55
Full Copyright Statement . . . . . . . . . . . . . . . . . . . 56
1.0 Introduction
This document is a product of the TN3270E Working Group. Its purpose
is to define a MIB module for support by a TCP/IP implementation for
configuration and management of TN3270E servers.
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in RFC 2119, reference
[22].
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2.0 The SNMP Network Management Framework
The SNMP Management Framework presently consists of five major
components:
o An overall architecture, described in RFC 2271 [1].
o Mechanisms for describing and naming objects and events for the
purpose of management. The first version of this Structure of
Management Information (SMI) is called SMIv1 and described in STD
16, RFC 1155 [2], STD 16, RFC 1212 [3] and RFC 1215 [4]. The
second version, called SMIv2, is described in RFC 1902 [5], RFC
1903 [6] and RFC 1904 [7].
o Message protocols for transferring management information. The
first version of the SNMP message protocol is called SNMPv1 and
described in STD 15, RFC 1157 [8]. A second version of the SNMP
message protocol, which is not an Internet standards track
protocol, is called SNMPv2c and described in RFC 1901 [9] and RFC
1906 [10]. The third version of the message protocol is called
SNMPv3 and described in RFC 1906 [10], RFC 2272 [11] and RFC 2274
[12].
o Protocol operations for accessing management information. The
first set of protocol operations and associated PDU formats is
described in STD 15, RFC 1157 [8]. A second set of protocol
operations and associated PDU formats is described in RFC 1905
[13].
o A set of fundamental applications described in RFC 2273 [14] and
the view-based access control mechanism described in RFC 2275
[15].
Managed objects are accessed via a virtual information store, termed
the Management Information Base or MIB. Objects in the MIB are
defined using the mechanisms defined in the SMI.
This memo specifies a MIB module that is compliant to the SMIv2. A
MIB conforming to the SMIv1 can be produced through the appropriate
translations. The resulting translated MIB must be semantically
equivalent, except where objects or events are omitted because no
translation is possible (use of Counter64). Some machine readable
information in SMIv2 will be converted into textual descriptions in
SMIv1 during the translation process. However, this loss of machine
readable information is not considered to change the semantics of the
MIB.
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3.0 Structure of the MIB
The TN3270E-MIB is split into the following components:
o TN3270E Server Control
o TN3270E Server Resource Configuration
o Resource/Client Address Mappings
There are three additional sections to address:
o Advisory Spin Lock Usage
o Row Persistence
o IANA Considerations
The TN3270E-MIB is defined primarily for TN3270E servers. This memo
does not explicitly address use of the MIB by TN3270 servers that do
not support the TN3270E protocol. Even though a significant number
of the objects in the MIB do apply in the TN3270-only case, the case
was not addressed, since it is unlikely that a TN3270-only server
would implement this MIB.
The SYSAPPL-MIB, reference [24], contains the Utf8String textual
convention (TC) that the TN3270E-MIB imports. This TC, which is used
for some MIB objects containing textual information, enables
internationalization of text strings, whereas the DisplayString TC
does not. The SNMP-FRAMEWORK-MIB, reference [1], contains the
SnmpAdminString TC that the TN3270E-MIB also imports. Like the
Utf8String TC, this TC also enables internationalization of text
strings; in addition, it provides some guidelines on the length and
content of the strings.
It is important to note that implementation of the SYSAPPL-MIB is not
actually a prerequisite for implementing the TN3270E-MIB. On the
other hand, implementation of the TN3270E-MIB does not preclude
implementing the SYSAPPL-MIB as well. When both MIBs are
implemented, the primary index into most of the TN3270E-MIB tables,
tn3270eSrvrConfIndex, SHOULD equal one of the SYSAPPL-MIB's
sysApplElmtRunIndex values. In this case the entry in the
sysApplElmtRunTable provides additional information on a TN3270E
server.
The MIB defined by this memo supports use of both IPv4 and IPv6
addressing. Two textual conventions, IANATn3270eAddrType and
Tn3270eAddress, are defined for this purpose. IANATn3270eAddress is
essentially equivalent to the TAddress TC, defined by RFC 1903. The
difference between the two is that IANATn3270eAddress allows a zero-
length octet string, while TAddress doesn't. It is important that
IANATn3270eAddress allow for the absence of an address, because some
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objects with this syntax are used as table indexes, and have special
meanings when they contain zero-length strings.
The IANATn3270eAddrType textual convention is used rather than the
TDomain TC (defined by RFC 1903) for identifying the contents of a
tn3270eTAddress object. TDomain uses an OID to characterize the
contents of an associated TAddress object. IANATn3270eAddrType was
chosen over TDomain because, with a SYNTAX of Unsigned32 (enumeration
type), it is much simpler to use as a component in an instance
identifier. It was placed in the IANA-administered module to allow
for the addition of values to cover cases (such as proxy servers) not
covered by the TN3270E-MIB itself.
3.1 TN3270E Server Control
This group of objects provides for TN3270E server configuration and
control. It consists of three tables:
o tn3270eSrvrConfTable
o tn3270eSrvrPortTable
o tn3270eSrvrStatsTable
The tn3270eSrvrConfTable is the primary table within the entire
TN3270E-MIB. As section 3.1.1 indicates, each TN3270E server is
represented by an entry in this table, indexed by
tn3270eSrvrConfIndex. Most of the other tables defined by the
TN3270E-MIB have tn3270eSrvrConfIndex as their primary index.
Entries in these tables MUST NOT exist for a TN3270E server when it
does not have a tn3270eSrvrConfigEntry.
3.1.1 tn3270eSrvrConfTable
The tn3270eSrvrConfTable contains a set of objects primarily used for
configuring and managing TN3270E servers. As with most of the other
tables in the TN3270E-MIB, this table is indexed by an unsigned
integer, tn3270eSrvrConfIndex. This primary index element enables
support of multiple TN3270E servers by a single SNMP agent. Within
the set of MIB objects returned by one SNMP agent,
tn3270eSrvrConfIndex values MUST be unique, and need not be
contiguous.
The tn3270eSrvrConfInactivityTimer object defines the inactivity
period for user traffic on TN3270 and TN3270E sessions.
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The four objects:
o tn3270eSrvrConfConnectivityChk
o tn3270eSrvrConfTmNopInterval
o tn3270eSrvrConfTmNopInactTime
o tn3270eSrvrConfTmTimeout
define the parameters for performing the "Telnet Timing Mark Option"
as defined by RFC 860 [17]. The object
tn3270eSrvrConfConnectivityChk allows a Management Station to select
either a NOP command or a TIMING-MARK command. Sending a NOP command
results in less overhead then a TIMING-MARK command, since a client
doesn't send a reply.
The objects tn3270eSrvrConfAdminStatus and tn3270eSrvrConfOperStatus
enable remote starting and stopping of a TN3270E server, and report
the current state of the server. The object
tn3270eSrvrConfFunctionsSupported indicates which of the TN3270 and
TN3270E options a server supports. The object
tn3270eSrvrConfSessionTermState defines as a TN3270E server-wide
option what SHOULD occur when the SNA portion of a TN3270 or TN3270E
session terminates with respect to the associated TCP connection.
The object tn3270eSrvrConfSrvrType indicates whether the TN3270E
server represented by a tn3270eSrvrConfEntry is a host or a gateway
server. The object tn3270eSrvrConfContact provides a scratch pad
area for a TN3270E server administrator to store information for
later retrieval. The object tn3270eSrvrConfLastActTime reports the
DateAndTime when the server was most recently activated. The special
value of all '00'Hs indicates that the server has never been active.
The object tn3270eSrvrConfRowStatus provides the capability to
perform row creation and deletion operations on this table.
3.1.2 tn3270eSrvrPortTable
The tn3270eSrvrPortTable represents the local TCP ports associated
with a TN3270E server. This information is important because some
TN3270E server implementations support usage of multiple local ports.
A tn3270eSrvrPortEntry is indexed by:
o tn3270eSrvrConfIndex
o tn3270eSrvrConfPort
o tn3270eSrvrConfPortAddrType
o tn3270eSrvrConfPortAddress
Certain TN3270E server implementations restrict a local TCP port to a
particular local IP address, instead of allowing connections for any
local IP address to occur via the port. tn3270eSrvrConfPortAddrType
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and tn3270eSrvrConfPortAddress allow this restriction to be
represented in the MIB. A TN3270E server that doesn't restrict
connections over a port to a local IP Address SHALL use the value
unknown(0) for tn3270eSrvrConfPortAddrType, and a zero-length octet
string for tn3270eSrvrConfPortAddress.
3.1.3 tn3270eSrvrStatsTable
The tn3270eSrvrStatsTable defines a series of objects that provide
general usage statistics for a TN3270E server. An entry can
represent the total activity for a server, or it can represent the
activity occurring at the server on either a port or a port-and-
local-address basis.
An implementation of this table MUST use only one of the three levels
of refinement that the indexing of this table supports for the
entries associated with a single TN3270E server.
The objects in this table reporting maximum, in-use, and spare LUs
for terminals and printers presuppose an implementation where
terminal resources and printer resources come from disjoint,
dedicated pools. An implementation where resources for the two types
of LUs come from a single shared pool should return the following
values:
o maximum: maximum size of the shared pool
o in-use: number currently in use as this type of LU
o spare: maximum - (terminal in-use + printer in-use)
3.2 TN3270E Server Resource Configuration
The following three tables provide for configuration of resources at
a TN3270E server:
o tn3270eClientGroupTable
o tn3270eResPoolTable
o tn3270eClientResMapTable
tn3270eClientGroupTable and tn3270eResPoolTable enable
implementations to define groupings of both client addresses and
resource pools for mapping client addresses to resources. The
tn3270eClientResMapTable provides a mapping from a client group to a
resource pool.
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3.3 Resource Name / Client Address Mappings
The TN3270E-MIB contains three tables for mapping resource names to
client addresses, and client addresses to resource names:
o tn3270eSnaMapTable
o tn3270eResMapTable
o tn3270eTcpConnTable
3.3.1 tn3270eSnaMapTable
The tn3270eSnaMapTable is a read-only table that maps a secondary
LU's SNA network name to the name by which it is known locally at the
TN3270E server. For correlation with data from the SNA network, the
name of the associated primary LU also appears in a
tn3270eSnaMapEntry. An entry in this table is created when the
Activate LU (ACTLU) request carrying the SNA network name of the SLU
is received from the SSCP. The entry is deleted when the SLU is
deactivated.
A TN3270E server provides a client with access to an SNA application
by associating a TCP connection from the client with an SNA secondary
LU (SLU) at the server. This SLU in turn has an SNA session with a
primary LU (PLU) running on an SNA host. This PLU represents the
application with which the client is communicating. The TN3270E-MIB
includes two tables for mapping back and forth among the SNA name
identifying the PLU, the SNA name identifying the SLU, and the TCP
connection with the client.
In order to understand how these name mappings work, it is necessary
to understand a subtlety involving the names of the SLUs at the
TN3270E server: these names are often different from the names by
which the SLUs are known in the rest of the SNA network. In the
TN3270E-MIB, these two types of SLU names are termed "local names"
and "SSCP-supplied names"; the latter term indicates that the name by
which the SLU is known in the SNA network comes to the TN3270E server
from the SNA System Services Control Point.
SSCPs don't always send SLU names down to secondary LUs; in some
cases this capability must be turned on. In the case of SLUs served
by a Dependent LU Requester (DLUR), an SSCP always sends SLU names to
the DLUR. It is necessary, however, to enable the DLUR's PU/LU
Network Name Forwarding function, so that it forwards the SLU names
it receives from the SSCP down to the PUs that it serves.
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For SLUs associated with an SNA type 2.0 node (or with a boundary-
function-attached type 2.1 node) not served by a DLUR, inclusion of
SLU names on ACTLU must be enabled explicitly at the SSCP via local
configuration.
3.3.2 tn3270eResMapTable
The tn3270eResMapTable is a read-only table that maps a resource name
to a client's address. An entry in this table is created when a TCP
connection is received by a TN3270E server and mapped to a resource.
The entry is deleted when the resource-to-address association is no
longer valid.
3.3.3 tn3270eTcpConnTable
The TCP Connection Table is currently defined by RFC 2012 (Refer to
reference [20], TCP-MIB Definitions). It contains the following
objects:
o tcpConnState (INTEGER)
o tcpConnLocalAddress (IpAddress)
o tcpConnLocalPort (INTEGER)
o tcpConnRemAddress (IpAddress)
o tcpConnRemPort (INTEGER)
It is indexed by: tcpConnLocalAddress, tcpConnLocalPort,
tcpConnRemAddress, and tcpConnRemPort.
The tn3270eTcpConnTable contains objects for keeping a list of the
current set of TN3270 and TN3270E sessions at a TN3270E server. The
relationship between the tcpConnTable and the Tn3270eTcpConnTable is
not one-to-one, since the tn3270eTcpConnTable contains information
pertaining only to TN3270(E) sessions.
The tn3270eTcpConnTable has a different indexing structure from that
of the tcpConnTable. Instead of using IpAddress objects,
Tn3270eAddress and IANATn3270eAddrType object pairs are used to
specify client addresses (both local and remote). This enables
support of IPv6 addresses. In addition, the remote address pair
precedes the local address pair in the index clause, in order to
enable a GET-NEXT operation using only the remote address pair.
3.4 Advisory Spin Lock Usage
Within the TN3270E-MIB, tn3270eConfSpinLock is defined as an advisory
lock that allows cooperating TN3270E-MIB applications to coordinate
their use of the tn3270eSrvrConfTable, the tn3270eSrvrPortTable, the
tn3270eClientGroupTable, the tn3270eResPoolTable, and the
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tn3270eClientResMapTable. When creating a new entry or altering an
existing entry in any of these tables, an application SHOULD make use
of tn3270eConfSpinLock to serialize application changes or additions.
Since this is an advisory lock, its use by management applications
SHALL NOT be enforced by agents. Agents MUST, however, implement the
tn3270eConfSpinLock object.
3.5 Row Persistence
The following tables enable remote creation of their entries by
including RowStatus objects:
o tn3270eSrvrConfTable
o tn3270eSrvrPortTable
o tn3270eClientGroupTable
o tn3270eResPoolTable
o tn3270eClientResMapTable
An implementation SHOULD NOT retain SNMP-created entries in these
tables across reIPLs (Initial Program Loads) of the corresponding
TN3270E server, since management applications need to see consistent
behavior with respect to the persistence of the table entries that
they create.
It is expected that local, implementation-dependent configuration
information will be used to define the initial and persistent
configurations for TN3270E server usage. Thus it is not necessary to
enable persistence of table entries by adding StorageType (refer to
RFC 1903 [6]) objects to these tables.
3.6 IANA Considerations
The tn3270eSrvrFunctionsSupported, tn3270eTcpConnFunctions,
tn3270eTcpConnClientIdFormat, and tn3270eTcpConnLogInfo objects, as
well as a number of objects identifying various address types,
resource types, and device types, use textual conventions imported
from the IANATn3270eTC-MIB. The purpose of defining these textual
conventions in a separate MIB module is to allow additional values to
be defined without having to issue a new version of this document.
The Internet Assigned Numbers Authority (IANA) is responsible for the
assignment of all Internet numbers, including various SNMP-related
numbers; it will administer the values associated with these textual
conventions.
The rules for additions or changes to the IANATn3270eTC-MIB are
outlined in the DESCRIPTION clause associated with its MODULE-
IDENTITY statement.
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The current version of the IANATn3270eTC-MIB can be accessed from the
IANA home page at: "http://www.iana.org/".
4.0 Definitions
TN3270E-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY, OBJECT-TYPE, Unsigned32, TimeTicks,
IpAddress, Counter32, Gauge32, Counter64
FROM SNMPv2-SMI
TEXTUAL-CONVENTION, RowStatus, TestAndIncr, DateAndTime,
TimeStamp
FROM SNMPv2-TC
MODULE-COMPLIANCE, OBJECT-GROUP
FROM SNMPv2-CONF
snanauMIB
FROM SNA-NAU-MIB
Utf8String
FROM SYSAPPL-MIB
SnmpAdminString
FROM SNMP-FRAMEWORK-MIB
IANATn3270eAddrType, IANATn3270eAddress,
IANATn3270eClientType, IANATn3270Functions,
IANATn3270ResourceType, IANATn3270DeviceType,
IANATn3270eLogData
FROM IANATn3270eTC-MIB;
tn3270eMIB MODULE-IDENTITY
LAST-UPDATED "9807270000Z" -- July 27, 1998
ORGANIZATION "TN3270E Working Group"
CONTACT-INFO
"Kenneth White (kennethw@vnet.ibm.com)
IBM Corp. - Dept. BRQA/Bldg. 501/G114
P.O. Box 12195
3039 Cornwallis
RTP, NC 27709-2195
USA
Robert Moore (remoore@us.ibm.com)
IBM Corp. - Dept. BRQA/Bldg. 501/G114
P.O. Box 12195
3039 Cornwallis
RTP, NC 27709-2195
USA
+1-919-254-4436"
DESCRIPTION
"This module defines a portion of the management
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information base (MIB) for managing TN3270E servers."
REVISION "9807270000Z" -- July 27, 1998
DESCRIPTION
"RFC nnnn (Proposed Standard)" -- RFC Editor to fill in
::= { snanauMIB 8 }
-- Textual Conventions
SnaResourceName ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"The textual convention for defining an SNA resource
name. A fully qualified SNA resource name, consisting
of a 1 to 8 character network identifier (NetId), a
period ('.'), and a 1 to 8 character resource name
(ResName).
The NetId and ResName are constructed from the
uppercase letters 'A' - 'Z' and the numerics '0' - '9',
all encoded in ASCII, with the restriction that the
first character of each must be a letter. Blanks are
not allowed.
Earlier versions of SNA permitted three additional
characters in NetIds and ResNames: '#', '@', and '$'.
While this use of these characters has been retired,
a Management Station should still accept them for
backward compatibility.
Note: This Textual Convention is not subject to
internationalization, and does not use the character
encodings used by the Utf8String Textual Convention."
SYNTAX OCTET STRING (SIZE(0..17))
Tn3270eTraceData ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"An octet string representing trace data from the
Telnet half of a TN3270E session, from the SNA half,
or from both. The octet string contains a sequence
of trace elements, with the trace elements in the
string ordered from earliest to latest.
Each trace element has the following form:
+---+---+----+----------------------+
!length !type!data !
+---+---+----+----------------------+
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where:
length = two-octet length of the data portion of the
trace element, not including the length and
type octets
type = one-octet code point characterizing the data;
defined values are:
X'01' telnet PDU from the server to the client
X'02' telnet PDU from the client to the server
X'03' SNA data from the server to the SNA host
X'04' SNA data from the SNA host to the server
data = initial part of a PDU.
It is implementation-dependent where the 'initial part of
a PDU' starts. For SNA data, however, the starting point
SHOULD be the first byte of the TH. For IP data the
starting point SHOULD be the first byte of the IP header.
It is left to implementations to determine how much of
each PDU to return in a trace element.
The zero-length string indicates that no trace
data is available."
SYNTAX OCTET STRING (SIZE (0 | 3..4096))
-- Top-level structure of the MIB
tn3270eNotifications OBJECT IDENTIFIER ::= { tn3270eMIB 0 }
tn3270eObjects OBJECT IDENTIFIER ::= { tn3270eMIB 1 }
tn3270eConformance OBJECT IDENTIFIER ::= { tn3270eMIB 3 }
-- MIB Objects
tn3270eSrvrConfTable OBJECT-TYPE
SYNTAX SEQUENCE OF Tn3270eSrvrConfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table defines the configuration elements for
TN3270E servers. The number of entries in this table
is expected to vary depending on the location of the
table. A particular TN3270E server is expected to
have a single entry. Modeling of the configuration
elements as a table allows multiple TN3270E
servers to be serviced by the same SNMP agent.
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An implementation SHOULD NOT retain an SNMP-created
entry in this table across re-IPLs (Initial Program
Loads) of the corresponding TN3270E server."
::= { tn3270eObjects 1 }
tn3270eSrvrConfEntry OBJECT-TYPE
SYNTAX Tn3270eSrvrConfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Definition of the configuration elements for a single
TN3270E server."
INDEX { tn3270eSrvrConfIndex }
::= { tn3270eSrvrConfTable 1 }
Tn3270eSrvrConfEntry ::= SEQUENCE {
tn3270eSrvrConfIndex Unsigned32,
tn3270eSrvrConfInactivityTimeout Unsigned32,
tn3270eSrvrConfConnectivityChk INTEGER,
tn3270eSrvrConfTmNopInactTime Unsigned32,
tn3270eSrvrConfTmNopInterval Unsigned32,
tn3270eSrvrFunctionsSupported IANATn3270Functions,
tn3270eSrvrConfAdminStatus INTEGER,
tn3270eSrvrConfOperStatus INTEGER,
tn3270eSrvrConfSessionTermState INTEGER,
tn3270eSrvrConfSrvrType INTEGER,
tn3270eSrvrConfContact SnmpAdminString,
tn3270eSrvrConfRowStatus RowStatus,
tn3270eSrvrConfLastActTime DateAndTime,
tn3270eSrvrConfTmTimeout Unsigned32
}
tn3270eSrvrConfIndex OBJECT-TYPE
SYNTAX Unsigned32 (1..4294967295)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Identifier for a single TN3270E server.
tn3270eSrvrConfIndex values need not be
contiguous."
::= { tn3270eSrvrConfEntry 1 }
tn3270eSrvrConfInactivityTimeout OBJECT-TYPE
SYNTAX Unsigned32 (0..99999999)
UNITS "seconds"
MAX-ACCESS read-create
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RFC 2561 TN3270E Using SMIv2 MIB April 1999
STATUS current
DESCRIPTION
"The inactivity time-out specified in seconds. When a
connection has been inactive for the number of seconds
specified by this object it is closed. Only user traffic
is considered when determining whether there has been
activity on a connection.
The default value 0 means that no inactivity time-out is
in effect."
DEFVAL { 0 }
::= { tn3270eSrvrConfEntry 2 }
tn3270eSrvrConfConnectivityChk OBJECT-TYPE
SYNTAX INTEGER {
timingMark(1),
nop(2),
noCheck(3)
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object enables TIMING-MARK processing, NOP
processing, or neither for a TN3270E server."
DEFVAL { noCheck }
::= { tn3270eSrvrConfEntry 3 }
tn3270eSrvrConfTmNopInactTime OBJECT-TYPE
SYNTAX Unsigned32 (1..86400) -- 1 second to 24 hours
UNITS "seconds"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The amount of time a connection must have had no
traffic on it in order for a TIMING-MARK or NOP request
to be sent on the connection. This value applies only
when connections are being examined for recent activity
on a scan interval controlled by the value of the
tn3270eSrvrConfTmNopInterval object."
DEFVAL { 600 } -- 10 minutes
::= { tn3270eSrvrConfEntry 4 }
tn3270eSrvrConfTmNopInterval OBJECT-TYPE
SYNTAX Unsigned32 (1..86400) -- 1 second to 24 hours
UNITS "seconds"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
White & Moore Standards Track [Page 15]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
"The scan interval to be used by a TN3270E server when
it examines its Telnet connections for recent activity.
The server scans its Telnet connections on the interval
provided by this object, looking for ones that have been
idle for more than the value provided by the
tn3270eSrvrConfTmNopInactTime object. A TIMING-MARK or
NOP request is sent for each connection that has
exhibited no activity for this period of time."
DEFVAL { 120 } -- 2 minutes
::= { tn3270eSrvrConfEntry 5 }
tn3270eSrvrFunctionsSupported OBJECT-TYPE
SYNTAX IANATn3270Functions
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object indicates the functions supported by a
TN3270E server."
DEFVAL { { scsCtlCodes, dataStreamCtl,
responses, bindImage, sysreq } }
::= { tn3270eSrvrConfEntry 6 }
tn3270eSrvrConfAdminStatus OBJECT-TYPE
SYNTAX INTEGER {
up(1),
down(2),
stopImmediate(3)
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The desired state of the TN3270E server represented
by this entry in the table:
up(1) - Activate this TN3270E server.
down(2) - Informs the associated TN3270E
server to gracefully terminate
its processing.
stopImmediate(3) - Informs the associated TN3270E
server to terminate itself
immediately.
When a managed system creates an entry in this table,
tn3270eSrvrConfAdminStatus and tn3270eSrvrConfOperStatus
are initialized as up(1) by default.
The exact behavior of a server in response to a down(2)
or stopImmediate(3) command is left implementation-
White & Moore Standards Track [Page 16]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
dependent. A TN3270E server that is capable of it
SHOULD close all of its TN3270 and TN3270E sessions
during a graceful termination.
Often the function enabled via stopImmediate(3) is used
as a last resort by a system administrator, to attempt
to either bring down a hung TN3270E server or free up
its resources immediately to aid in general system
availability, or to shut down a TN3270E server that is
not recognizing a down(2) request.
A TN3270E server that does not distinguish between
down(2) or stopImmediate(3) transitions should not
support stopImmediate(3)."
DEFVAL { up }
::= { tn3270eSrvrConfEntry 7 }
tn3270eSrvrConfOperStatus OBJECT-TYPE
SYNTAX INTEGER {
up(1),
down(2),
busy(3),
shuttingDown(4)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The current operational state of a TN3270E server.
The following values are defined:
up(1) - the server is active and accepting
new client connections
down(2) - the server is not active
busy(3) - the server is active, but is not
accepting new client connections
because it lacks the resources to
do so
shuttingDown(4) - the server is active, but is not
accepting new client connections
because it is in the process of
performing a graceful shutdown."
DEFVAL { up }
::= { tn3270eSrvrConfEntry 8 }
tn3270eSrvrConfSessionTermState OBJECT-TYPE
SYNTAX INTEGER {
terminate(1),
luSessionPend(2),
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RFC 2561 TN3270E Using SMIv2 MIB April 1999
queueSession(3)
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object determines what a TN3270E server
should do when a TN3270 Session terminates:
terminate(1) => Terminate the TCP connection.
luSessionPend(2) => Do not drop the TCP connection
associated with a client when its
TN3270 session ends. Processing
should redrive session initialization
as if the client were first connecting.
queueSession(3) => This value relates to the Close
Destination PASS (CLSDST PASS) operation
in VTAM. An example provides the
easiest explanation. Suppose a TN3270E
client is in session with APPL1, and
APPL1 does a CLSDST PASS of the client's
session to APPL2. queueSession(3)
specifies that the TN3270E server must
keep the TCP connection with the client
active after it receives the UNBIND from
APPL1, waiting for the BIND from APPL2."
DEFVAL { terminate }
::= { tn3270eSrvrConfEntry 9 }
tn3270eSrvrConfSrvrType OBJECT-TYPE
SYNTAX INTEGER {
host(1),
gateway(2)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object indicates the type of TN3270E server.
The existence of MIB tables and objects that will be
defined by follow-on MIBs may be predicated on whether
the TN3270E server can be local to the same host as a
target application (host(1)) or will always be remote
(gateway(2)).
A host TN3270E server refers to an implementation where
the TN3270E server is collocated with the Systems
Network Architecture (SNA) System Services Control Point
(SSCP) for the dependent Secondary Logical Units (SLUs)
that the server makes available to its clients for
connecting into an SNA network.
White & Moore Standards Track [Page 18]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
A gateway TN3270E server resides on an SNA node other
than an SSCP, either an SNA type 2.0 node or an APPN node
acting in the role of a Dependent LU Requester (DLUR).
Host and gateway TN3270E server implementations typically
differ greatly as to their internal implementation and
system definition (SYSDEF) requirements."
::= { tn3270eSrvrConfEntry 10 }
tn3270eSrvrConfContact OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object provides a scratch pad for a TN3270E
server administrator for storing information for
later retrieval."
DEFVAL { ''H } -- the empty string
::= { tn3270eSrvrConfEntry 11 }
tn3270eSrvrConfRowStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object allows entries to be created and deleted
in the tn3270eSrvrConfTable. Entries may also be
created and deleted as a result of implementation-
dependent operations.
With the exception of tn3270eSrvrConfSrvrType, which
an implementation can easily fill in for itself, all
the columnar objects in this table have DEFVALs
associated with them. Consequently, a Management
Station can create a conceptual row via a SET
operation that specifies a value only for this object.
When a tn3270eSrvrConfEntry is deleted (by setting
this object to destroy(6)), this has the side-effect
of removing all the associated entries (i.e., those
having the same tn3270eSrvrConfIndex) from the
tn3270eSrvrPortTable, the tn3270eSrvrStatsTable, the
tn3270eClientGroupTable, the tn3270eResPoolTable,
the tn3270eSnaMapTable, the tn3270eClientResMapTable,
and the tn3270eResMapTable. All entries in the
tn3270eTcpConnTable that belong to a TN3270E server
that has been deleted MUST also be removed.
White & Moore Standards Track [Page 19]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
In other words, a tn3270eSrvrConfEntry must exist for
a TN3270E server in order for it to have entries in
any of the other tables defined by this MIB."
REFERENCE
"RFC 1903, 'Textual Conventions for version 2 of the
Simple Network Management Protocol (SNMPv2).'"
::= { tn3270eSrvrConfEntry 12 }
tn3270eSrvrConfLastActTime OBJECT-TYPE
SYNTAX DateAndTime
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reports the DateAndTime when a TN3270E
server was most recently activated.
The special value of all '00'Hs indicates that the
server has never been active, i.e., that the value of
tn3270eSrvrOperStatus has never been anything other
than down(2)."
DEFVAL { '0000000000000000'H }
::= { tn3270eSrvrConfEntry 13 }
tn3270eSrvrConfTmTimeout OBJECT-TYPE
SYNTAX Unsigned32 (1..600) -- 1 second to 10 minutes
UNITS "seconds"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The TIMING-MARK time-out, specified in seconds."
DEFVAL { 5 } -- 5 seconds
::= { tn3270eSrvrConfEntry 14 }
tn3270eSrvrPortTable OBJECT-TYPE
SYNTAX SEQUENCE OF Tn3270eSrvrPortEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table defines the TCP ports associated with
TN3270E servers. No entry in this table shall exist
without a corresponding (same tn3270eSrvrConfIndex)
entry in the tn3270eSrvrConfTable existing.
An implementation SHOULD NOT retain SNMP-created
entries in this table across re-IPLs (Initial Program
Loads) of the corresponding TN3270E server."
::= { tn3270eObjects 2 }
White & Moore Standards Track [Page 20]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
tn3270eSrvrPortEntry OBJECT-TYPE
SYNTAX Tn3270eSrvrPortEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Definition of a single TCP port assignment to a
TN3270E server. Assignment of a port on a local
address basis is enabled though use of
tn3270eSrvrPortAddrType and tn3270eSrvrPortAddress.
A TCP port assignment that is not restricted to
a local address SHALL specify a tn3270eSrvrPortAddrType
of unknown(0), and SHALL use a zero-length octet string
for the tn3270eSrvrPortAddress."
INDEX {
tn3270eSrvrConfIndex,
tn3270eSrvrPort,
tn3270eSrvrPortAddrType,
tn3270eSrvrPortAddress
}
::= { tn3270eSrvrPortTable 1 }
Tn3270eSrvrPortEntry ::= SEQUENCE {
tn3270eSrvrPort Unsigned32,
tn3270eSrvrPortAddrType IANATn3270eAddrType,
tn3270eSrvrPortAddress IANATn3270eAddress,
tn3270eSrvrPortRowStatus RowStatus
}
tn3270eSrvrPort OBJECT-TYPE
SYNTAX Unsigned32 (0..65535)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Indicates a port assigned to a server."
::= { tn3270eSrvrPortEntry 1 }
tn3270eSrvrPortAddrType OBJECT-TYPE
SYNTAX IANATn3270eAddrType
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Indicates the type of an address local to the host on
which the TN3270E server resides that is represented
in tn3270eSrvrPortAddress. A value of unknown(0)
SHALL be used for this object when the port is not
to be restricted to a local address."
::= { tn3270eSrvrPortEntry 2 }
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RFC 2561 TN3270E Using SMIv2 MIB April 1999
tn3270eSrvrPortAddress OBJECT-TYPE
SYNTAX IANATn3270eAddress
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A local address on the host that a TN3270E server
resides on that is associated with a TCP port that
is to be used or is in use by a TN3270E server.
tn3270eClientGroupAddrType indicates the
address type (IPv4 or IPv6, for example).
A zero-length octet string SHALL be used as the
value of this object when a local address isn't
being specified."
::= { tn3270eSrvrPortEntry 3 }
tn3270eSrvrPortRowStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object allows entries to be created and deleted
in the tn3270eSrvrPortTable. Entries may also be
created and deleted as a result of implementation-
dependent operations.
Since this is the only accessible object in this table,
a Management Station can create a conceptual row via a SET
operation that specifies a value only for this object.
An entry in this table is deleted by setting this object
to destroy(6). Deletion of a tn3270eSrvrPortEntry has
no effect on any other table entry defined by this MIB."
REFERENCE
"RFC 1903, 'Textual Conventions for version 2 of the
Simple Network Management Protocol (SNMPv2).'"
::= { tn3270eSrvrPortEntry 4 }
tn3270eSrvrStatsTable OBJECT-TYPE
SYNTAX SEQUENCE OF Tn3270eSrvrStatsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table defines a set of statistics concerning
TN3270E server performance.
No entry in this table shall exist without
a corresponding (same tn3270eSrvrConfIndex) entry in
White & Moore Standards Track [Page 22]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
the tn3270eSrvrConfTable existing."
::= { tn3270eObjects 3 }
tn3270eSrvrStatsEntry OBJECT-TYPE
SYNTAX Tn3270eSrvrStatsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A collection of statistical and maximum usage objects
for a single TN3270 server. An entry can represent the total
activity of the server, or it can represent the activity
occurring at the server on either a port or a
port-and-local-address basis.
Collection of the statistics represented by the objects
in this table is not mandatory. An implementation
of this table MUST use only one of the three levels of
refinement that this table supports for the entries
associated with each TN3270E server.
The indexing for a row that represents total server
statistics is as follows:
tn3270eSrvrConfIndex value identifying the server
tn3270eSrvrPort 0
tn3270eSrvrPortAddrType unknown(0)
tn3270eSrvrPortAddress zero-length octet string.
On a port basis:
tn3270eSrvrConfIndex value identifying the server
tn3270eSrvrPort > 0
tn3270eSrvrPortAddrType unknown(0)
tn3270eSrvrPortAddress zero-length octet string.
On a port-and-local-address basis:
tn3270eSrvrConfIndex value identifying the server
tn3270eSrvrPort > 0
tn3270eSrvrPortAddrType valid value other than unknown(0)
tn3270eSrvrPortAddress non-zero-length octet string.
"
INDEX {
tn3270eSrvrConfIndex,
tn3270eSrvrPort,
tn3270eSrvrPortAddrType,
tn3270eSrvrPortAddress
White & Moore Standards Track [Page 23]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
}
::= { tn3270eSrvrStatsTable 1 }
Tn3270eSrvrStatsEntry ::= SEQUENCE {
tn3270eSrvrStatsUpTime TimeStamp,
tn3270eSrvrStatsMaxTerms Unsigned32,
tn3270eSrvrStatsInUseTerms Gauge32,
tn3270eSrvrStatsSpareTerms Gauge32,
tn3270eSrvrStatsMaxPtrs Unsigned32,
tn3270eSrvrStatsInUsePtrs Gauge32,
tn3270eSrvrStatsSparePtrs Gauge32,
tn3270eSrvrStatsInConnects Counter32,
tn3270eSrvrStatsConnResrceRejs Counter32,
tn3270eSrvrStatsDisconnects Counter32,
tn3270eSrvrStatsHCInOctets Counter64,
tn3270eSrvrStatsInOctets Counter32,
tn3270eSrvrStatsHCOutOctets Counter64,
tn3270eSrvrStatsOutOctets Counter32,
tn3270eSrvrStatsConnErrorRejs Counter32
}
tn3270eSrvrStatsUpTime OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of the sysUpTime object the last time
the TN3270E server was re-initialized.
Server re-initialization is the only discontinuity
event for the counters in this table. Even if table
entries are on a port or port-and-local-address
basis, port deactivation and reactivation do not
result in counter discontinuities."
::= { tn3270eSrvrStatsEntry 2 }
tn3270eSrvrStatsMaxTerms OBJECT-TYPE
SYNTAX Unsigned32
UNITS "LUs"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Indicates the maximum number of terminal LUs available
for use at a TN3270E server for the granularity of this
conceptual row (server-wide, port, or
port-and-local-address)."
::= { tn3270eSrvrStatsEntry 3 }
White & Moore Standards Track [Page 24]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
tn3270eSrvrStatsInUseTerms OBJECT-TYPE
SYNTAX Gauge32
UNITS "LUs"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Indicates the number of terminal LUs currently in
use at a TN3270E server for the granularity of this
conceptual row (server-wide, port, or
port-and-local-address)."
::= { tn3270eSrvrStatsEntry 4 }
tn3270eSrvrStatsSpareTerms OBJECT-TYPE
SYNTAX Gauge32
UNITS "LUs"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Indicates the number of free terminal LUs at a TN3270E
server for the granularity of this conceptual row
(server-wide, port, or port-and-local-address).
It is possible that the difference between
tn3270eSrvrStatsMaxTerms and tn3270eSrvrStatsInUseTerms
in a conceptual row does not equal the value of
tn3270eSrvrStatsSpareTerms in that row: an LU may
exist but not be usable by a client connection.
Alternatively, the administrative ceiling represented
by tn3270eSrvrStatsMaxTerms may have been lowered to
a point where it is less than the current value of
tn3270eSrvrStatsInUseTerms. In this case
tn3270eSrvrStatsSpareTerms returns the value 0."
::= { tn3270eSrvrStatsEntry 5 }
tn3270eSrvrStatsMaxPtrs OBJECT-TYPE
SYNTAX Unsigned32
UNITS "Printer Resources"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Indicates the maximum number of printer resources
available for use by a TN3270E server for the
granularity of this conceptual row (server-wide,
port, or port-and-local-address)."
::= { tn3270eSrvrStatsEntry 6 }
White & Moore Standards Track [Page 25]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
tn3270eSrvrStatsInUsePtrs OBJECT-TYPE
SYNTAX Gauge32
UNITS "Printer Resources"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Indicates the number of printer resources
currently in use by a TN3270E server for the
granularity of this conceptual row (server-wide,
port, or port-and-local-address)."
::= { tn3270eSrvrStatsEntry 7 }
tn3270eSrvrStatsSparePtrs OBJECT-TYPE
SYNTAX Gauge32
UNITS "Spare Printer Resources"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Indicates the number of free printer resources at
a TN3270E server for the granularity of this conceptual
row (server-wide, port, or port-and-local-address).
It is possible that the difference between
tn3270eSrvrStatsMaxPtrs and tn3270eSrvrStatsInUsePtrs
in a conceptual row does not equal the value of
tn3270eSrvrStatsSparePtrs in that row: a printer
resource may exist but not be usable by a client
connection.
Alternatively, the administrative ceiling represented
by tn3270eSrvrStatsMaxPtrs may have been lowered to
a point where it is less than the current value of
tn3270eSrvrStatsInUsePtrs. In this case
tn3270eSrvrStatsSparePtrs returns the value 0."
::= { tn3270eSrvrStatsEntry 8 }
tn3270eSrvrStatsInConnects OBJECT-TYPE
SYNTAX Counter32
UNITS "connections"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Indicates the number of client (TCP) connections
that succeeded at a TN3270E server for the
granularity of this conceptual row (server-wide,
port, or port-and-local-address).
The tn3270eSrvrStatsConnResrceRejs and
White & Moore Standards Track [Page 26]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
tn3270eSrvrStatsConnErrorRejs objects provide a count
of failed connection attempts.
A Management Station can detect discontinuities in
this counter by monitoring the tn3270eSrvrStatsUpTime
object."
::= { tn3270eSrvrStatsEntry 9 }
tn3270eSrvrStatsConnResrceRejs OBJECT-TYPE
SYNTAX Counter32
UNITS "connection attempts"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Indicates the number of (TCP) connections rejected
during connection setup at a TN3270E server for the
granularity of this conceptual row (server-wide,
port, or port-and-local-address) due to a lack of
resources at the server. An example of when this
counter would be incremented is when no terminal
or printer resource is available to associate with a
client's TCP connection.
A Management Station can detect discontinuities in
this counter by monitoring the tn3270eSrvrStatsUpTime
object."
::= { tn3270eSrvrStatsEntry 10 }
tn3270eSrvrStatsDisconnects OBJECT-TYPE
SYNTAX Counter32
UNITS "disconnections"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Indicates the number of (TCP) connections that were
disconnected at a TN3270E server for the
granularity of this conceptual row (server-wide,
port, or port-and-local-address).
A Management Station can detect discontinuities in
this counter by monitoring the tn3270eSrvrStatsUpTime
object."
::= { tn3270eSrvrStatsEntry 11 }
tn3270eSrvrStatsHCInOctets OBJECT-TYPE
SYNTAX Counter64
UNITS "octets"
MAX-ACCESS read-only
White & Moore Standards Track [Page 27]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
STATUS current
DESCRIPTION
"Indicates the number of octets received from TN3270
and TN3270E clients for the granularity of this
conceptual row (server-wide, port, or
port-and-local-address).
A Management Station can detect discontinuities in
this counter by monitoring the tn3270eSrvrStatsUpTime
object."
::= { tn3270eSrvrStatsEntry 12 }
tn3270eSrvrStatsInOctets OBJECT-TYPE
SYNTAX Counter32
UNITS "octets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Low-order 32 bits of tn3270eSrvrStatsHCInOctets for
this conceptual row.
A Management Station can detect discontinuities in
this counter by monitoring the tn3270eSrvrStatsUpTime
object."
::= { tn3270eSrvrStatsEntry 13 }
tn3270eSrvrStatsHCOutOctets OBJECT-TYPE
SYNTAX Counter64
UNITS "octets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Indicates the number of octets sent to TN3270
and TN3270E clients for the granularity of this
conceptual row (server-wide, port, or
port-and-local-address).
A Management Station can detect discontinuities in
this counter by monitoring the tn3270eSrvrStatsUpTime
object."
::= { tn3270eSrvrStatsEntry 14 }
tn3270eSrvrStatsOutOctets OBJECT-TYPE
SYNTAX Counter32
UNITS "octets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
White & Moore Standards Track [Page 28]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
"Low-order 32 bits of tn3270eSrvrStatsHCOutOctets for
this conceptual row.
A Management Station can detect discontinuities in
this counter by monitoring the tn3270eSrvrStatsUpTime
object."
::= { tn3270eSrvrStatsEntry 15 }
tn3270eSrvrStatsConnErrorRejs OBJECT-TYPE
SYNTAX Counter32
UNITS "connection attempts"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Indicates the number of (TCP) connections rejected
during connection setup at a TN3270E server for the
granularity of this conceptual row (server-wide,
port, or port-and-local-address) due to an error
of some type. An example of when this counter would
be incremented is when the client and the server
cannot agree on a common set of TN3270E functions for
the connection.
A Management Station can detect discontinuities in
this counter by monitoring the tn3270eSrvrStatsUpTime
object."
::= { tn3270eSrvrStatsEntry 16 }
tn3270eClientGroupTable OBJECT-TYPE
SYNTAX SEQUENCE OF Tn3270eClientGroupEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table defines client address groupings for use
by a TN3270E server.
No entry in this table shall exist without
a corresponding (same tn3270eSrvrConfIndex) entry in
the tn3270eSrvrConfTable existing.
An implementation SHOULD NOT retain SNMP-created
entries in this table across re-IPLs (Initial Program
Loads) of the corresponding TN3270E server."
::= { tn3270eObjects 4 }
tn3270eClientGroupEntry OBJECT-TYPE
SYNTAX Tn3270eClientGroupEntry
MAX-ACCESS not-accessible
White & Moore Standards Track [Page 29]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
STATUS current
DESCRIPTION
"Definition of a single client address entry. All
entries with the same first two indexes,
tn3270eSrvrConfIndex and tn3270eClientGroupName, are
considered to be in the same client group."
INDEX { tn3270eSrvrConfIndex,
tn3270eClientGroupName,
tn3270eClientGroupAddrType,
tn3270eClientGroupAddress }
::= { tn3270eClientGroupTable 1 }
Tn3270eClientGroupEntry ::= SEQUENCE {
tn3270eClientGroupName Utf8String,
tn3270eClientGroupAddrType IANATn3270eAddrType,
tn3270eClientGroupAddress IANATn3270eAddress,
tn3270eClientGroupSubnetMask IpAddress,
tn3270eClientGroupPfxLength Unsigned32,
tn3270eClientGroupRowStatus RowStatus
}
tn3270eClientGroupName OBJECT-TYPE
SYNTAX Utf8String (SIZE(1..24))
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The name of a client group. Note: client group
names are required to be unique only with respect
to a single TN3270E server."
::= { tn3270eClientGroupEntry 1 }
tn3270eClientGroupAddrType OBJECT-TYPE
SYNTAX IANATn3270eAddrType
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Indicates the type of the address represented in
tn3270eClientGroupAddress."
::= { tn3270eClientGroupEntry 2 }
tn3270eClientGroupAddress OBJECT-TYPE
SYNTAX IANATn3270eAddress
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The client address of a member of a client group.
The value of tn3270eClientGroupAddrType indicates
the address type (IPv4 or IPv6, for example)."
White & Moore Standards Track [Page 30]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
::= { tn3270eClientGroupEntry 3 }
tn3270eClientGroupSubnetMask OBJECT-TYPE
SYNTAX IpAddress
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The corresponding subnet mask associated with
tn3270eClientGroupAddress. A single IP address is
represented by having this object contain the value
of 255.255.255.255.
This object's value is meaningful only if
tn3270eClientGroupAddrType has a value of ipv4(1)."
DEFVAL { 'FFFFFFFF'H }
::= { tn3270eClientGroupEntry 4 }
tn3270eClientGroupPfxLength OBJECT-TYPE
SYNTAX Unsigned32 (0..128)
UNITS "bits"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The corresponding IPv6 network prefix length.
This object's value is meaningful only if
tn3270eClientGroupAddrType has a value of ipv6(2)."
DEFVAL { 0 }
::= { tn3270eClientGroupEntry 5 }
tn3270eClientGroupRowStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object allows entries to be created and deleted
in the tn3270eClientGroupTable. Entries may also be
created and deleted as a result of implementation-
dependent operations.
An entry in this table is deleted by setting this object
to destroy(6). When the number of entries in this table
for a given client group becomes 0, this has the side-
effect of removing any entries for the group in the
tn3270eClientResMapTable."
REFERENCE
"RFC 1903, 'Textual Conventions for version 2 of the
Simple Network Management Protocol (SNMPv2).'"
White & Moore Standards Track [Page 31]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
::= { tn3270eClientGroupEntry 6 }
tn3270eResPoolTable OBJECT-TYPE
SYNTAX SEQUENCE OF Tn3270eResPoolEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table defines resource groupings; the term
'pool' is used as it is defined by RFC 2355.
No entry in this table shall exist without
a corresponding (same tn3270eSrvrConfIndex) entry in
the tn3270eSrvrConfTable existing.
An implementation SHOULD NOT retain SNMP-created
entries in this table across re-IPLs (Initial Program
Loads) of the corresponding TN3270E server."
::= { tn3270eObjects 5 }
tn3270eResPoolEntry OBJECT-TYPE
SYNTAX Tn3270eResPoolEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Definition of a single resource pool member. All entries
with the same first two indexes, tn3270eSrvrConfIndex and
tn3270eResPoolName, are considered to be in the same pool."
INDEX { tn3270eSrvrConfIndex,
tn3270eResPoolName,
tn3270eResPoolElementName }
::= { tn3270eResPoolTable 1 }
Tn3270eResPoolEntry ::= SEQUENCE {
tn3270eResPoolName Utf8String,
tn3270eResPoolElementName SnaResourceName,
tn3270eResPoolElementType IANATn3270ResourceType,
tn3270eResPoolRowStatus RowStatus
}
tn3270eResPoolName OBJECT-TYPE
SYNTAX Utf8String (SIZE(1..24))
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The name of a resource pool."
::= { tn3270eResPoolEntry 1 }
tn3270eResPoolElementName OBJECT-TYPE
White & Moore Standards Track [Page 32]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
SYNTAX SnaResourceName
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The name of a member of a resource pool."
::= { tn3270eResPoolEntry 2 }
tn3270eResPoolElementType OBJECT-TYPE
SYNTAX IANATn3270ResourceType
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The type of the entity in a resource pool."
::= { tn3270eResPoolEntry 3 }
tn3270eResPoolRowStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object allows entries to be created and deleted
in the tn3270eResPoolTable. Entries may also be
created and deleted as a result of implementation-
dependent operations.
An entry in this table is deleted by setting this object
to destroy(6). When all entries in this table associated
with the same tn3270eResPoolElementName have been removed,
then any associated (tn3270eResPoolElementName matching
tn3270eClientResMapPoolName with same tn3270eSrvrConfIndex
values) entries in the tn3270eClientResMapTable SHALL
also be removed."
REFERENCE
"RFC 1903, 'Textual Conventions for version 2 of the
Simple Network Management Protocol (SNMPv2).'"
::= { tn3270eResPoolEntry 4 }
tn3270eSnaMapTable OBJECT-TYPE
SYNTAX SEQUENCE OF Tn3270eSnaMapEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table provide a mapping from the name by which
a secondary LU is known in the SNA network to the
name by which it is known locally at the TN3270e
server. This latter name serves as an index into
the tn3270eResPoolTable and the tn3270eResMapTable.
White & Moore Standards Track [Page 33]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
No entry in this table shall exist without
a corresponding (same tn3270eSrvrConfIndex) entry in
the tn3270eSrvrConfTable existing."
::= { tn3270eObjects 6 }
tn3270eSnaMapEntry OBJECT-TYPE
SYNTAX Tn3270eSnaMapEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Definition of a single mapping from an SSCP-supplied
SLU name to a local SLU name.
Note: In certain pathological cases, it is possible
that an SSCP will send on an ACTLU for a local LU an
SLU name currently represented by an entry in this
table that associates it with a different local LU.
In these cases the association from the newer ACTLU
SHOULD be the one represented in this table."
INDEX { tn3270eSrvrConfIndex,
tn3270eSnaMapSscpSuppliedName }
::= { tn3270eSnaMapTable 1 }
Tn3270eSnaMapEntry ::= SEQUENCE {
tn3270eSnaMapSscpSuppliedName SnaResourceName,
tn3270eSnaMapLocalName SnaResourceName,
tn3270eSnaMapPrimaryLuName SnaResourceName
}
tn3270eSnaMapSscpSuppliedName OBJECT-TYPE
SYNTAX SnaResourceName
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The name of the secondary LU (SLU) as it is known in
the SNA network. This name is sent by the SSCP on
the Activate Logical Unit (ACTLU) request."
::= { tn3270eSnaMapEntry 1 }
tn3270eSnaMapLocalName OBJECT-TYPE
SYNTAX SnaResourceName
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The local name of the secondary LU (SLU)."
::= { tn3270eSnaMapEntry 2 }
tn3270eSnaMapPrimaryLuName OBJECT-TYPE
White & Moore Standards Track [Page 34]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
SYNTAX SnaResourceName
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"When there is a currently active LU-LU session for
this connection, this object returns the primary LU
(PLU) name from the BIND. When there is no active
LU-LU session, or when the PLU name is unavailable
for some other reason, this object returns a
zero-length octet string."
::= { tn3270eSnaMapEntry 3 }
tn3270eClientResMapTable OBJECT-TYPE
SYNTAX SEQUENCE OF Tn3270eClientResMapEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table defines resource-pool to client-group
mappings. Since both the resource pool name and client
group name are included in the index clause of this
table, multiple resource pools can be assigned to the
same client group. This enables use of multiple
resource pools for use in client to resource mapping.
Assigning multiple client groups to the same resource
pool is also allowed, but is not the primary purpose
for how the indexing is structured.
Assignment of a resource pool to client group can be
restricted based on TCP port. An index value of 0 for
tn3270eClientResMapClientPort disables restriction of
resource assignment based on client target port
selection.
No entry in this table shall exist without
a corresponding (same tn3270eSrvrConfIndex) entry in
the tn3270eSrvrConfTable existing.
An implementation SHOULD NOT retain SNMP-created
entries in this table across re-IPLs (Initial Program
Loads) of the corresponding TN3270E server."
::= { tn3270eObjects 7 }
tn3270eClientResMapEntry OBJECT-TYPE
SYNTAX Tn3270eClientResMapEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Definition of a single resource pool to client group
White & Moore Standards Track [Page 35]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
mapping."
INDEX { tn3270eSrvrConfIndex,
tn3270eClientResMapPoolName,
tn3270eClientResMapClientGroupName,
tn3270eClientResMapClientPort }
::= { tn3270eClientResMapTable 1 }
Tn3270eClientResMapEntry ::= SEQUENCE {
tn3270eClientResMapPoolName Utf8String,
tn3270eClientResMapClientGroupName Utf8String,
tn3270eClientResMapClientPort Unsigned32,
tn3270eClientResMapRowStatus RowStatus
}
tn3270eClientResMapPoolName OBJECT-TYPE
SYNTAX Utf8String (SIZE(1..24))
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The name of a resource pool."
::= { tn3270eClientResMapEntry 1 }
tn3270eClientResMapClientGroupName OBJECT-TYPE
SYNTAX Utf8String (SIZE(1..24))
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The name of the client group that is mapped to a
resource pool."
::= { tn3270eClientResMapEntry 2 }
tn3270eClientResMapClientPort OBJECT-TYPE
SYNTAX Unsigned32 (0..65535)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A port number restricting the scope of a mapping
from a resource pool to a client group. The
value 0 for this object indicates that the scope
of the mapping is not restricted."
::= { tn3270eClientResMapEntry 3 }
tn3270eClientResMapRowStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object allows entries to be created and deleted
White & Moore Standards Track [Page 36]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
in the tn3270eClientResMapTable. Entries may also be
created and deleted as a result of implementation-
dependent operations.
An entry in this table is deleted by setting this object
to destroy(6). Removing an entry from this table doesn't
affect any other table entry defined in this MIB."
REFERENCE
"RFC 1903, 'Textual Conventions for version 2 of the
Simple Network Management Protocol (SNMPv2).'"
::= { tn3270eClientResMapEntry 4 }
tn3270eResMapTable OBJECT-TYPE
SYNTAX SEQUENCE OF Tn3270eResMapEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table defines the actual mapping of a resource
to a client address.
No entry in this table shall exist without
a corresponding (same tn3270eSrvrConfIndex) entry in
the tn3270eSrvrConfTable existing."
::= { tn3270eObjects 8 }
tn3270eResMapEntry OBJECT-TYPE
SYNTAX Tn3270eResMapEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Definition of the mapping of a Resource Element to
a client address."
INDEX { tn3270eSrvrConfIndex,
tn3270eResMapElementName }
::= { tn3270eResMapTable 1 }
Tn3270eResMapEntry ::= SEQUENCE {
tn3270eResMapElementName SnaResourceName,
tn3270eResMapAddrType IANATn3270eAddrType,
tn3270eResMapAddress IANATn3270eAddress,
tn3270eResMapPort Unsigned32,
tn3270eResMapElementType IANATn3270ResourceType,
tn3270eResMapSscpSuppliedName SnaResourceName
}
tn3270eResMapElementName OBJECT-TYPE
SYNTAX SnaResourceName
MAX-ACCESS not-accessible
White & Moore Standards Track [Page 37]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
STATUS current
DESCRIPTION
"The name of a resource element. This is the name by
which the server implementing this table knows the
resource. It may be different from the name by which
the resource is known in the SNA network. This latter
name is returned in the tn3270eResMapSscpSuppliedName
object."
::= { tn3270eResMapEntry 1 }
tn3270eResMapAddrType OBJECT-TYPE
SYNTAX IANATn3270eAddrType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Indicates the type of the client address represented
in tn3270eResMapAddress."
::= { tn3270eResMapEntry 2 }
tn3270eResMapAddress OBJECT-TYPE
SYNTAX IANATn3270eAddress
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A client address."
::= { tn3270eResMapEntry 3 }
tn3270eResMapPort OBJECT-TYPE
SYNTAX Unsigned32 (0..65535)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A client port."
::= { tn3270eResMapEntry 4 }
tn3270eResMapElementType OBJECT-TYPE
SYNTAX IANATn3270ResourceType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The type of the associated resource element."
::= { tn3270eResMapEntry 5 }
tn3270eResMapSscpSuppliedName OBJECT-TYPE
SYNTAX SnaResourceName
MAX-ACCESS read-only
STATUS current
DESCRIPTION
White & Moore Standards Track [Page 38]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
"The name of the secondary LU (SLU) as it is known
in a SNA network. This name is sent by the SSCP on
the Activate Logical Unit (ACTLU) request. If this
name is not known, this object returns a zero-length
octet string."
::= { tn3270eResMapEntry 6 }
-- Define the set of objects to supplement the TCP Connection Table
tn3270eTcpConnTable OBJECT-TYPE
SYNTAX SEQUENCE OF Tn3270eTcpConnEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table has an entry for each TN3270(E) client
connection that is currently active at a TN3270E server.
An implementation MAY retain entries for connections
that have been terminated, but which entries are
retained, how many entries are retained, and how long
they are retained is entirely implementation-dependent.
The indexing for this table is designed to support the
use of an SNMP GET-NEXT operation using only the remote
address type, remote address, and remote port, as a way
for a Management Station to retrieve the table entries
related to a particular TN3270(E) client."
::= { tn3270eObjects 9 }
tn3270eTcpConnEntry OBJECT-TYPE
SYNTAX Tn3270eTcpConnEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Provides information about a single TN3270/TN3270E
session. Note: a tn3270eSrvrConfIndex is not needed
in this table, since the combination of remote and
local addresses and ports is sufficient to
guarantee uniqueness across the TN3270E servers
serviced by an SNMP agent. Because of this indexing
structure, however, this table does not support
view-based access control policies that provide
access to table rows on a per-server basis."
INDEX { tn3270eTcpConnRemAddrType,
tn3270eTcpConnRemAddress,
tn3270eTcpConnRemPort,
tn3270eTcpConnLocalAddrType,
tn3270eTcpConnLocalAddress,
tn3270eTcpConnLocalPort
White & Moore Standards Track [Page 39]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
}
::= { tn3270eTcpConnTable 1 }
Tn3270eTcpConnEntry ::=
SEQUENCE
{
tn3270eTcpConnRemAddrType IANATn3270eAddrType,
tn3270eTcpConnRemAddress IANATn3270eAddress,
tn3270eTcpConnRemPort Unsigned32,
tn3270eTcpConnLocalAddrType IANATn3270eAddrType,
tn3270eTcpConnLocalAddress IANATn3270eAddress,
tn3270eTcpConnLocalPort Unsigned32,
tn3270eTcpConnLastActivity TimeTicks,
tn3270eTcpConnBytesIn Counter32,
tn3270eTcpConnBytesOut Counter32,
tn3270eTcpConnResourceElement SnaResourceName,
tn3270eTcpConnResourceType IANATn3270ResourceType,
tn3270eTcpConnDeviceType IANATn3270DeviceType,
tn3270eTcpConnFunctions IANATn3270Functions,
tn3270eTcpConnId Unsigned32,
tn3270eTcpConnClientIdFormat IANATn3270eClientType,
tn3270eTcpConnClientId OCTET STRING,
tn3270eTcpConnTraceData Tn3270eTraceData,
tn3270eTcpConnLogInfo IANATn3270eLogData,
tn3270eTcpConnLuLuBindImage OCTET STRING,
tn3270eTcpConnSnaState INTEGER,
tn3270eTcpConnStateLastDiscReason INTEGER,
tn3270eTcpConnSrvrConfIndex Unsigned32,
tn3270eTcpConnActivationTime TimeStamp
}
tn3270eTcpConnRemAddrType OBJECT-TYPE
SYNTAX IANATn3270eAddrType
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Indicates the type of the value of the
tn3270eTcpConnRemAddress object. For example,
ipv4(1) or ipv6(2)."
::= { tn3270eTcpConnEntry 1 }
tn3270eTcpConnRemAddress OBJECT-TYPE
SYNTAX IANATn3270eAddress
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The remote address associated with a TN3270E client.
tn3270eTcpConnRemAddrType indicates the address type
White & Moore Standards Track [Page 40]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
(IPv4 or IPv6, for example).
If a TN3270(E) client is connected to its
server via a proxy client the address represented by
the value of this object shall be the remote client's
address, not the proxy client's address."
::= { tn3270eTcpConnEntry 2 }
tn3270eTcpConnRemPort OBJECT-TYPE
SYNTAX Unsigned32 (0..65535)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The remote port associated with a TN3270E client. The value 0
is used if the tn3270eTcpConnRemAddrType identifies an address
type that does not support ports.
If a TN3270(E) client is connected to its server via a proxy
client, the port represented by the value of this object shall
be the remote client's port, not the proxy client's port."
::= { tn3270eTcpConnEntry 3 }
tn3270eTcpConnLocalAddrType OBJECT-TYPE
SYNTAX IANATn3270eAddrType
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Indicates the type of the value of the
tn3270eTcpConnLocalAddress object. For example,
ipv4(1) or ipv6(2)."
::= { tn3270eTcpConnEntry 4 }
tn3270eTcpConnLocalAddress OBJECT-TYPE
SYNTAX IANATn3270eAddress
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The local address associated with a TN3270E client.
tn3270eTcpConnRemAddrType indicates the address type
(IPv4 or IPv6, for example)."
::= { tn3270eTcpConnEntry 5 }
tn3270eTcpConnLocalPort OBJECT-TYPE
SYNTAX Unsigned32 (1..65535)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The remote port associated with a TN3270E client."
White & Moore Standards Track [Page 41]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
::= { tn3270eTcpConnEntry 6 }
tn3270eTcpConnLastActivity OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of 100ths of seconds since any data was
transferred for the associated TCP Connection."
DEFVAL { 0 }
::= { tn3270eTcpConnEntry 7 }
tn3270eTcpConnBytesIn OBJECT-TYPE
SYNTAX Counter32
UNITS "octets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of bytes received by the server from TCP
for this connection.
A Management Station can detect discontinuities in
this counter by monitoring the
tn3270eTcpConnActivationTime object."
::= { tn3270eTcpConnEntry 8 }
tn3270eTcpConnBytesOut OBJECT-TYPE
SYNTAX Counter32
UNITS "octets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of bytes sent to TCP for this connection.
A Management Station can detect discontinuities in
this counter by monitoring the
tn3270eTcpConnActivationTime object."
::= { tn3270eTcpConnEntry 9 }
tn3270eTcpConnResourceElement OBJECT-TYPE
SYNTAX SnaResourceName
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"LU/Print secondary name for connecting an client
into an SNA network."
::= { tn3270eTcpConnEntry 10 }
White & Moore Standards Track [Page 42]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
tn3270eTcpConnResourceType OBJECT-TYPE
SYNTAX IANATn3270ResourceType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Indicates the type of resource identified by
tn3270eTcpConnResourceElement."
::= { tn3270eTcpConnEntry 11 }
tn3270eTcpConnDeviceType OBJECT-TYPE
SYNTAX IANATn3270DeviceType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Indicates the device type if negotiated with the
client. A value of unknown(100) should be used as
the value of this object when a device type is not
negotiated. Refer to RFC 2355 for how device types
can be negotiated."
::= { tn3270eTcpConnEntry 12 }
tn3270eTcpConnFunctions OBJECT-TYPE
SYNTAX IANATn3270Functions
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object indicates which of the TN3270 and TN3270E
functions were negotiated by the server and the client
for this TCP connection.
Refer to tn3270eSrvrFunctionsSupported for the list of
these functions supported by the server."
::= { tn3270eTcpConnEntry 13 }
tn3270eTcpConnId OBJECT-TYPE
SYNTAX Unsigned32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The connection identifier associated with a TN3270 or
a TN3270E session's TCP connection. TCP implementations
often assign a unique (with respect to itself) unsigned
integer as an identifier for a TCP connection.
The value 0 indicates that a connection does not have
a valid connection identifier."
::= { tn3270eTcpConnEntry 14 }
White & Moore Standards Track [Page 43]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
tn3270eTcpConnClientIdFormat OBJECT-TYPE
SYNTAX IANATn3270eClientType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The format of a corresponding tn3270eTcpConnClientId
object as defined by the IANSTn3270eClientType textual
convention imported from the IANATn3270eTC-MIB."
::= { tn3270eTcpConnEntry 15 }
tn3270eTcpConnClientId OBJECT-TYPE
SYNTAX OCTET STRING (SIZE (0..512))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Additional client identification information. The
type of this information is indicated by the value of
the corresponding tn3270eTcpConnClientIdFormat object.
All values are returned in network-byte order.
The purpose of this object is to provide an alternate
means of identifying a client, other than though the
remote address returned in tn3270eTcpConnRemAddress."
::= { tn3270eTcpConnEntry 16 }
tn3270eTcpConnTraceData OBJECT-TYPE
SYNTAX Tn3270eTraceData
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Trace data for this session."
::= { tn3270eTcpConnEntry 17 }
tn3270eTcpConnLogInfo OBJECT-TYPE
SYNTAX IANATn3270eLogData
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Log information, encoded as specified in the
IANATn3270eLogData textual convention from the
IANAtn3270eTC-MIB."
::= { tn3270eTcpConnEntry 18 }
tn3270eTcpConnLuLuBindImage OBJECT-TYPE
SYNTAX OCTET STRING (SIZE (0..256))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
White & Moore Standards Track [Page 44]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
"When there is a currently active LU-LU session for
this connection, this object returns the BIND Image
(defined to be bytes 1-p of the complete BIND Request
Unit -- see 'SNA Formats' for more information)
that was received from the PLU during session
activation. When there is no active LU-LU session,
or when a BIND image is unavailable for some other
reason, this object returns a zero-length octet
string."
REFERENCE
"'Systems Network Architecture Formats', IBM
Publication GA27-3136."
::= { tn3270eTcpConnEntry 19 }
tn3270eTcpConnSnaState OBJECT-TYPE
SYNTAX INTEGER {
unknown(1),
noSluSession(2),
sscpLuSession(3), -- but no LU-LU session
luLuSession(4), -- but no SSCP-LU session
sscpLuSessionAndLuLuSession(5)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The current state of the SNA side of the end-to-end
TN3270 connection. The following states are defined:
unknown(1) - The true state is not known.
noSluSession(2) - The SLU has neither an SSCP-LU
nor an LU-LU session active.
sscpLuSession(3) - The SSCP-LU session for the SLU
is active, but the SLU is not
currently in session with a PLU.
luLuSession(4) - The SLU is currently in session
with a PLU, but the SSCP-LU
session for the LU is not active.
sscpLuSessionAndLuLuSession(5) - The SLU currently has
an active session with a PLU,
and the SSCP-LU session for the
SLU is active."
::= { tn3270eTcpConnEntry 20 }
tn3270eTcpConnStateLastDiscReason OBJECT-TYPE
SYNTAX INTEGER {
unknown(1),
hostSendsUnbind(2),
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RFC 2561 TN3270E Using SMIv2 MIB April 1999
hostDontAcceptConnection(3),
outOfResource(4),
clientProtocolError(5),
invalidDeviceName(6),
deviceInUse(7),
inactivityTimeout(8),
hostNotResponding(9),
clientNotResponding(10),
serverClose(11),
sysreqLogoff(12),
serverSpecificHexCode(13)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The last disconnect reason. A session that has not
experienced a disconnect shall use the value unknown(1)
for this object. Depending on when an implementation
removes entries from this table, certain states may
never be returned."
::= { tn3270eTcpConnEntry 21 }
tn3270eTcpConnSrvrConfIndex OBJECT-TYPE
SYNTAX Unsigned32 (1..4294967295)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"tn3270eSrvrConfIndex of the tn3270eSrvrConfEntry
belonging to the TN3270E server to which this entry
belongs."
::= { tn3270eTcpConnEntry 22 }
tn3270eTcpConnActivationTime OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of the sysUpTime object the last time
this TCP connection became active."
::= { tn3270eTcpConnEntry 23 }
tn3270eConfSpinLock OBJECT-TYPE
SYNTAX TestAndIncr
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"An advisory lock used to allow cooperating
TN3270E-MIB applications to coordinate their use
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RFC 2561 TN3270E Using SMIv2 MIB April 1999
of the tn3270eSrvrConfTable, the tn3270eSrvrPortTable,
the tn3270eClientGroupTable, the tn3270eResPoolTable,
and the tn3270eClientResMapTable.
When creating a new entry or altering an existing entry
in the any of the tables mentioned above, an application
should make use of tn3270eRtSpinLock to serialize
application changes or additions.
Since this is an advisory lock, the use of this lock is
not enforced."
::= { tn3270eObjects 10 }
-- Conformance Definitions
tn3270eGroups OBJECT IDENTIFIER ::= { tn3270eConformance 1 }
tn3270eCompliances OBJECT IDENTIFIER ::= { tn3270eConformance 2 }
-- compliance statements
tn3270eCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The compliance statement for agents that support the
TN3270E-MIB."
MODULE -- this module
MANDATORY-GROUPS { tn3270eBasicGroup,
tn3270eSessionGroup
}
GROUP tn3270eResMapGroup
DESCRIPTION
"This group is optional and provides a method of
performing tn3270eClientGroup to tn3270eResPool
mapping."
GROUP tn3270eHiCapacityGroup
DESCRIPTION
"This group is optional and provides for support
of high capacity counters."
OBJECT tn3270eSrvrConfConnectivityChk
MIN-ACCESS read-only
DESCRIPTION
"The agent is not required to support a set to this
object if the associated TN3270E server doesn't
support either TIMING-MARK or NOP processing. In
this case an agent should return noCheck on
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RFC 2561 TN3270E Using SMIv2 MIB April 1999
retrieval."
OBJECT tn3270eSrvrConfTmNopInactTime
MIN-ACCESS read-only
DESCRIPTION
"The agent is not required to support a set to this
object if the functions enabled by
tn3270eSrvrConfConnectivityChk are not supported.
An agent in this case should return a value of 0."
OBJECT tn3270eSrvrConfTmNopInterval
MIN-ACCESS read-only
DESCRIPTION
"The agent is not required to support a set to this
object if the functions enabled by
tn3270eSrvrConfConnectivityChk are not supported.
An agent in this case should return a value of 0."
OBJECT tn3270eSrvrConfAdminStatus
DESCRIPTION
"A TN3270E server is not required to support a
stopImmediate state transition."
OBJECT tn3270eSrvrConfRowStatus
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT tn3270eSrvrConfTmTimeout
MIN-ACCESS read-only
DESCRIPTION
"The agent is not required to support a set to this
object if the functions enabled by
tn3270eSrvrConfConnectivityChk are not supported.
An agent in this case should return a value of 0."
OBJECT tn3270eSrvrPortRowStatus
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT tn3270eClientGroupRowStatus
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT tn3270eResPoolRowStatus
MIN-ACCESS read-only
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RFC 2561 TN3270E Using SMIv2 MIB April 1999
DESCRIPTION
"Write access is not required."
OBJECT tn3270eClientResMapRowStatus
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
::= { tn3270eCompliances 1 }
-- units of conformance
tn3270eBasicGroup OBJECT-GROUP
OBJECTS {
tn3270eSrvrConfInactivityTimeout,
tn3270eSrvrConfConnectivityChk,
tn3270eSrvrConfTmNopInactTime,
tn3270eSrvrConfTmNopInterval,
tn3270eSrvrFunctionsSupported,
tn3270eSrvrConfAdminStatus,
tn3270eSrvrConfOperStatus,
tn3270eSrvrConfSessionTermState,
tn3270eSrvrConfSrvrType,
tn3270eSrvrConfContact,
tn3270eSrvrConfRowStatus,
tn3270eSrvrConfLastActTime,
tn3270eSrvrConfTmTimeout,
tn3270eSrvrPortRowStatus,
tn3270eSrvrStatsUpTime,
tn3270eSrvrStatsMaxTerms,
tn3270eSrvrStatsInUseTerms,
tn3270eSrvrStatsSpareTerms,
tn3270eSrvrStatsMaxPtrs,
tn3270eSrvrStatsInUsePtrs,
tn3270eSrvrStatsSparePtrs,
tn3270eSrvrStatsInConnects,
tn3270eSrvrStatsConnResrceRejs,
tn3270eSrvrStatsDisconnects,
tn3270eSrvrStatsInOctets,
tn3270eSrvrStatsOutOctets,
tn3270eSrvrStatsConnErrorRejs,
tn3270eClientGroupSubnetMask,
tn3270eClientGroupPfxLength,
tn3270eClientGroupRowStatus,
tn3270eSnaMapLocalName,
tn3270eSnaMapPrimaryLuName,
tn3270eConfSpinLock
}
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RFC 2561 TN3270E Using SMIv2 MIB April 1999
STATUS current
DESCRIPTION
"This group is mandatory for all hosts supporting the
TN3270E-MIB."
::= { tn3270eGroups 1 }
tn3270eSessionGroup OBJECT-GROUP
OBJECTS {
tn3270eResMapAddrType,
tn3270eResMapAddress,
tn3270eResMapPort,
tn3270eResMapElementType,
tn3270eResMapSscpSuppliedName,
tn3270eTcpConnLastActivity,
tn3270eTcpConnBytesIn,
tn3270eTcpConnBytesOut,
tn3270eTcpConnResourceElement,
tn3270eTcpConnResourceType,
tn3270eTcpConnDeviceType,
tn3270eTcpConnFunctions,
tn3270eTcpConnSrvrConfIndex,
tn3270eTcpConnActivationTime
}
STATUS current
DESCRIPTION
"This group is mandatory for all hosts supporting the
TN3270E-MIB."
::= { tn3270eGroups 2 }
tn3270eResMapGroup OBJECT-GROUP
OBJECTS {
tn3270eResPoolElementType,
tn3270eResPoolRowStatus,
tn3270eClientResMapRowStatus,
tn3270eTcpConnId,
tn3270eTcpConnClientIdFormat,
tn3270eTcpConnClientId,
tn3270eTcpConnTraceData,
tn3270eTcpConnLogInfo,
tn3270eTcpConnLuLuBindImage,
tn3270eTcpConnSnaState,
tn3270eTcpConnStateLastDiscReason
}
STATUS current
DESCRIPTION
"This group is optional for all hosts supporting the
TN3270E-MIB."
::= { tn3270eGroups 3 }
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tn3270eHiCapacityGroup OBJECT-GROUP
OBJECTS {
tn3270eSrvrStatsHCInOctets,
tn3270eSrvrStatsHCOutOctets
}
STATUS current
DESCRIPTION
"Support of these objects is REQUIRED when the
Counter32 versions can potentially wrap too
frequently. This group is optional for all other
hosts supporting the TN3270E-MIB.
The IF-MIB (RFC 2233) requires that the 64-bit
versions of its counters be implemented when an
interface can support rates of around 20 million
bits per second or greater. This implies a minimum
wrap rate of just over 28 minutes. It is recommended
that this same guideline be used for determining
whether an implementation implements these objects.
This group contains two objects with the syntax
Counter64. An implementation that doesn't support
these objects should return noSuchObject, since
returning a zero is misleading."
::= { tn3270eGroups 4 }
END
5.0 Security Considerations
Certain management information defined in this MIB may be considered
sensitive in some network environments. Therefore, authentication of
received SNMP requests and controlled access to management
information SHOULD be employed in such environments. An
authentication protocol is defined in [12]. A protocol for access
control is defined in [15].
Several objects in this MIB allow write access or provide for row
creation. Allowing this support in a non-secure environment can have
a negative effect on network operations. It is RECOMMENDED that
implementers seriously consider whether set operations or row
creation should be allowed without providing, at a minimum,
authentication of request origin. It is RECOMMENDED that without
such support, the following objects be implemented as read-only:
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RFC 2561 TN3270E Using SMIv2 MIB April 1999
o tn3270eSrvrConfInactivityTimout
o tn3270eSrvrConfConnectivityChk
o tn3270eSrvrConfActivityTimeout
o tn3270eSrvrConfActivityInterval
o tn3270eSrvrConfAdminStatus
o tn3270eSrvrConfSessionTermState
o tn3270eSrvrConfContact
o tn3270eClientGroupSubnetMask
o tn3270eResPoolElementType
o tn3270eSrvrConfRowStatus
o tn3270eSrvrPortRowStatus
o tn3270eClientGroupRowStatus
o tn3270eResPoolRowStatus
o tn3270eResMapRowStatus
For all tables in the MIB except the tn3270eTcpConnTable, the first
index identifies an individual TN3270E server. This makes it easy to
implement an access control policy under which different principals
have access to objects related to different servers. Implementation
of such a policy is not possible for the entries in the
tn3270eTcpConTable.
6.0 Intellectual Property
The IETF takes no position regarding the validity or scope of any
intellectual property or other rights that might be claimed to
pertain to the implementation or use of the technology described in
this document or the extent to which any license under such rights
might or might not be available; neither does it represent that it
has made any effort to identify any such rights. Information on the
IETF's procedures with respect to rights in standards-track and
standards-related documentation can be found in BCP-11. Copies of
claims of rights made available for publication and any assurances of
licenses to be made available, or the result of an attempt made to
obtain a general license or permission for the use of such
proprietary rights by implementers or users of this specification can
be obtained from the IETF Secretariat.
The IETF invites any interested party to bring to its attention any
copyrights, patents or patent applications, or other proprietary
rights which may cover technology that may be required to practice
this standard. Please address the information to the IETF Executive
Director.
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RFC 2561 TN3270E Using SMIv2 MIB April 1999
7.0 Acknowledgments
This document is a product of the TN3270E Working Group. Thanks to
Randy Presuhn of BMC Software for his valuable review comments on
several versions of the document.
8.0 References
[1] Harrington D., Presuhn, R. and B. Wijnen, "An Architecture for
Describing SNMP Management Frameworks", RFC 2271, January 1998.
[2] Rose, M. and K. McCloghrie, "Structure and Identification of
Management Information for TCP/IP-based Internets", STD 16, RFC
1155, May 1990
[3] Rose, M. and K. McCloghrie, "Concise MIB Definitions", STD 16,
RFC 1212, March 1991.
[4] Rose, M., "A Convention for Defining Traps for use with the
SNMP", RFC 1215, Performance Systems International, March 1991
[5] Case, J., McCloghrie, K., Rose, M. and S. Waldbusser, "Structure
of Management Information for Version 2 of the Simple Network
Management Protocol (SNMPv2)", RFC 1902, January 1996.
[6] Case, J., McCloghrie, K., Rose, M. and S. Waldbusser, "Textual
Conventions for Version 2 of the Simple Network Management
Protocol (SNMPv2)", RFC 1903, January 1996.
[7] Case, J., McCloghrie, K., Rose, M. and S. Waldbusser,
"Conformance Statements for Version 2 of the Simple Network
Management Protocol (SNMPv2)", RFC 1904, January 1996.
[8] Case, J., Fedor, M., Schoffstall, M. and J. Davin, "Simple
Network Management Protocol", STD 15, RFC 1157, May 1990.
[9] Case, J., McCloghrie, K., Rose, M. and S. Waldbusser,
"Introduction to Community-based SNMPv2", RFC 1901, January
1996.
[10] Case, J., McCloghrie, K., Rose, M. and S. Waldbusser, "Transport
Mappings for Version 2 of the Simple Network Management Protocol
(SNMPv2)", RFC 1906, January 1996.
[11] Case, J., Harrington D., Presuhn R. and B. Wijnen, "Message
Processing and Dispatching for the Simple Network Management
Protocol (SNMP)", RFC 2272, January 1998.
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RFC 2561 TN3270E Using SMIv2 MIB April 1999
[12] Blumenthal, U. and B. Wijnen, "User-based Security Model (USM)
for version 3 of the Simple Network Management Protocol
(SNMPv3)", RFC 2274, January 1998.
[13] Case, J., McCloghrie, K., Rose, M. and S. Waldbusser, "Protocol
Operations for Version 2 of the Simple Network Management
Protocol (SNMPv2)", RFC 1905, January 1996.
[14] Levi, D., Meyer, P. and B. Stewart, "SNMPv3 Applications", RFC
2273, January 1998.
[15] Wijnen, B., Presuhn, R. and K. McCloghrie, "View-based Access
Control Model (VACM) for the Simple Network Management Protocol
(SNMP)", RFC 2275, January 1998.
[16] Postel, J. and J. Reynolds, "Telnet Protocol Specification", STD
8, RFC 854, May 1983.
[17] Postel, J. and J. Reynolds, "Telnet Timing Mark Option", STD 31,
RFC 860, May 1983.
[18] Rekhter, J., "Telnet 3270 Regime Option", RFC 1041, January
1988.
[19] Kelly, B., "TN3270 Enhancements", RFC 2355, June 1998.
[20] McCloghrie, K., "TCP-MIB Definitions", RFC 2012, November
1996.
[21] Hovey, R. and S. Bradner, "The Organizations Involved in the
IETF Standards Process", BCP 11, RFC 2028, October 1996.
[22] Bradner, S., "Key words for use in RFCs to Indicate Requirement
Levels", BCP 14, RFC 2119, March 1997.
[23] Hinden, R. and S. Deering, "IP Version 6 Addressing
Architecture", RFC 2373, July 1998.
[24] Krupczak, C. and J. Saperia, "Definitions of System-Level
Managed Objects for Applications", RFC 2287, February 1998.
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RFC 2561 TN3270E Using SMIv2 MIB April 1999
9.0 Authors' Addresses
Kenneth D. White
Dept. BRQA/Bldg. 501/G114
IBM Corporation
P.O.Box 12195
3039 Cornwallis
Research Triangle Park, NC 27709, USA
EMail: kennethw@vnet.ibm.com
Robert Moore
Dept. BRQA/Bldg. 501/G114
IBM Corporation
P.O.Box 12195
3039 Cornwallis
Research Triangle Park, NC 27709, USA
Phone: +1-919-254-4436
EMail: remoore@us.ibm.com
White & Moore Standards Track [Page 55]
RFC 2561 TN3270E Using SMIv2 MIB April 1999
Full Copyright Statement
Copyright (C) The Internet Society (1999). All Rights Reserved.
This document and translations of it may be copied and furnished to
others, and derivative works that comment on or otherwise explain it
or assist in its implementation may be prepared, copied, published
and distributed, in whole or in part, without restriction of any
kind, provided that the above copyright notice and this paragraph are
included on all such copies and derivative works. However, this
document itself may not be modified in any way, such as by removing
the copyright notice or references to the Internet Society or other
Internet organizations, except as needed for the purpose of
developing Internet standards in which case the procedures for
copyrights defined in the Internet Standards process must be
followed, or as required to translate it into languages other than
English.
The limited permissions granted above are perpetual and will not be
revoked by the Internet Society or its successors or assigns.
This document and the information contained herein is provided on an
"AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
White & Moore Standards Track [Page 56]
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