rfc2584.txt
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Network Working Group B. Clouston, Ed.
Request for Comments: 2584 Cisco Systems
Category: Standards Track B. Moore, Ed.
IBM Corporation
May 1999
Definitions of Managed Objects
for APPN/HPR in IP Networks
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 portion of the Management Information Base (MIB)
for use with network management protocols in the Internet community.
In particular, it defines objects for monitoring and controlling HPR
(High Performance Routing) network devices which have the capability
to communicate in IP (Internet Protocol) networks. This memo
identifies managed objects for the HPR in IP network communications.
Table of Contents
1. Introduction ........................................... 2
2. The SNMP Network Management Framework .................. 2
3. Overview ............................................... 3
3.1 HPR/IP Values for Objects in the APPN MIB ............. 3
3.2 APPN/HPR in IP Networks MIB structure ................. 4
3.2.1 hprIpMonitoringGroup ................................ 5
3.2.2 hprIpConfigurationGroup ............................. 5
4. Definitions ............................................ 6
5. Security Considerations ................................ 16
6. Intellectual Property .................................. 17
7. Acknowledgments ........................................ 18
8. References ............................................. 18
9. Authors' Addresses ..................................... 20
10. Full Copyright Statement ............................... 21
Clouston & Moore Standards Track [Page 1]
RFC 2584 APPN/HPR in IP Networks MIB May 1999
1. Introduction
This document is a product of the SNA NAU Services MIB Working Group.
It defines a MIB module for managing devices with HPR in IP networks
capabilities.
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 [17].
2. 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 STD 58, RFC 2478
[5], RFC 2579 [6] and RFC 2580 [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.
Clouston & Moore Standards Track [Page 2]
RFC 2584 APPN/HPR in IP Networks MIB May 1999
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.
3. Overview
This document identifies a set of objects for monitoring the
configuration and active characteristics of devices with HPR in IP
network capabilities. HPR is an enhancement to the Advanced Peer-
to-Peer Network (APPN) architecture that provides fast data routing
and improved session reliability. APPN is the aspect of Systems
Network Architecture (SNA) that supports peer-to-peer networking.
APPN/HPR in IP Networks is a further enhancement to the APPN/HPR
architecture, described in RFC 2353 [18]. It provides a method with
which APPN/HPR nodes can communicate in IP networks.
APPN management information is defined by the APPN MIB [19]. HPR
management information is defined by the HPR MIB, RFC 2238 [20].
Highlights of the management functions supported by the APPN/HPR in
IP Networks MIB module include the following:
o A count of UDP packets sent with each type of APPN traffic on
HPR/IP links.
o Monitoring and setting configuration parameters for the mappings
between APPN traffic types on Type of Service (TOS) Precedence
settings in the IP header. Note that the TOS Precedence
settings have been redefined in RFC 2474 [21] as the first three
bits of the differentiated services code point (DSCP).
This MIB module does not support:
o Configuration of IP addresses used for APPN ports or link
stations.
3.1. HPR/IP Values for Objects in the APPN MIB
Ports and link stations are the APPN device's interface to the data
link control (DLC), which provides the physical transport, or to
another protocol, such as IP. The APPN MIB identifies ports and link
stations using IP as the transport with the following objects:
Clouston & Moore Standards Track [Page 3]
RFC 2584 APPN/HPR in IP Networks MIB May 1999
o appnPortDlcType
o appnLsDlcType
o appnLsStatusDlcType
These objects all have the syntax IANAifType, and the value 126,
defined as "IP (for APPN HPR in IP networks)" shall be returned when
they identify an HPR/IP port or link station.
The IP address used for the port or link station is returned in the
following objects:
o appnPortDlcLocalAddr
o appnLsLocalAddr
o appnLsRemoteAddr
o appnLsStatusLocalAddr
o appnLsStatusRemoteAddr
These objects have the syntax DisplayableDlcAddress, defined in the
APPN MIB as a textual convention to represent the address as an octet
string of ASCII characters.
The following two objects return object identifiers that tie port and
link table entries in the APPN MIB to lower-layer MIB entries:
o appnPortSpecific
o appnLsSpecific
Both objects should return a RowPointer to the ifEntry in the agent's
ifTable for the physical interface associated with the local IP
address for the port. If the agent implements the IP-MIB (RFC 2011),
this association between the IP address and the physical interface
will be represented in the ipNetToMediaTable.
3.2. APPN/HPR in IP Networks MIB Structure
The APPN/HPR in IP Networks MIB module contains two groups of
objects:
o hprIpMonitoringGroup - an object for counting outgoing HPR/IP
traffic for each APPN traffic type
Clouston & Moore Standards Track [Page 4]
RFC 2584 APPN/HPR in IP Networks MIB May 1999
o hprIpConfigurationGroup - objects to represent TOS Precedence to
APPN traffic type mappings
These groups are described below in more detail.
3.2.1. hprIpMonitoringGroup
The hprIpMonitoringGroup group consists of the hprIpActiveLsTable.
This table is indexed by the link station name and traffic type, and
contains a counter for the number of UDP packets sent on a link
station for that traffic type.
3.2.2. hprIpConfigurationGroup
The hprIpMonitoringGroup group consists of the following objects and
tables:
1) hprIpAppnPortTable
This table supports reading and setting the default mapping between
APPN traffic types and TOS Precedence settings for all link stations
using a port. This mapping may be overridden for individual link
stations or individual connection networks.
2) hprIpLsTable
This table supports reading and setting the mappings between APPN
traffic types and TOS Precedence settings for an individual link
station and APPN traffic type. If there is no entry in this table
for a given link station and traffic type, then that link station
inherits its mapping from its port.
3) hprIpCnTable
This table supports reading and setting the mapping between APPN
traffic types and TOS Precedence settings for an individual
connection network and traffic type. If there is no entry in this
table for a given connection network and traffic type, then that
connection network inherits its mapping from its port.
Clouston & Moore Standards Track [Page 5]
RFC 2584 APPN/HPR in IP Networks MIB May 1999
4. Definitions
HPR-IP-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY,OBJECT-TYPE, Counter32
FROM SNMPv2-SMI
DisplayString, RowStatus, TEXTUAL-CONVENTION
FROM SNMPv2-TC
MODULE-COMPLIANCE, OBJECT-GROUP
FROM SNMPv2-CONF
SnaControlPointName
FROM APPN-MIB
hprObjects, hprCompliances, hprGroups
FROM HPR-MIB ;
hprIp MODULE-IDENTITY
LAST-UPDATED "9809240000Z" -- September 24, 1998
ORGANIZATION "IETF SNA NAU MIB WG / AIW APPN MIBs SIG"
CONTACT-INFO
"
Bob Clouston
Cisco Systems
7025 Kit Creek Road
P.O. Box 14987
Research Triangle Park, NC 27709, USA
Tel: 1 919 472 2333
E-mail: clouston@cisco.com
Bob Moore
IBM Corporation
4205 S. Miami Boulevard
BRQA/501
P.O. Box 12195
Research Triangle Park, NC 27709, USA
Tel: 1 919 254 4436
E-mail: remoore@us.ibm.com
"
DESCRIPTION
"The MIB module for HPR over IP. This module contains two
groups:
- the HPR over IP Monitoring Group provides a count of the UDP
packets sent by a link station for each APPN traffic type.
- the HPR over IP Configuration Group provides for reading and
setting the mappings between APPN traffic types and TOS
Precedence settings in the IP header. These mappings are
Clouston & Moore Standards Track [Page 6]
RFC 2584 APPN/HPR in IP Networks MIB May 1999
configured at the APPN port level, and are inherited by the
APPN connection networks and link stations associated with an
APPN port. A port-level mapping can, however, be overridden
for a particular connection network or link station."
REVISION "9809240000Z" -- September 24, 1998
DESCRIPTION
"Initial version, Published as RFC 2584"
::= { hprObjects 5 }
-- *********************************************************************
-- Textual Conventions
-- *********************************************************************
AppnTrafficType ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"APPN traffic type. The first four values correspond
to APPN transmission priorities (network, high, medium and
low), while the fifth is used for both LLC commands (XID,
TEST, DISC, and DM) and function-routed NLPs (XID_DONE_RQ
and XID_DONE_RSP)."
SYNTAX INTEGER { low (1),
medium (2),
high (3),
network (4),
llcAndFnRoutedNlp (5) }
AppnTOSPrecedence ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"A DisplayString representing the setting of the three TOS
Precedence bits in the IP Type of Service field for this APPN
traffic type. The HPR over IP architecture specifies the
following default mapping:
APPN traffic type IP TOS Precedence bits
------------------ ----------------------
Network 110
High 100
Medium 010
Low 001
LLC commands, etc. 110
"
SYNTAX DisplayString (SIZE(3))
-- *******************************************************************
Clouston & Moore Standards Track [Page 7]
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