Cisco 2525 - 2525 TR Router User's Guide

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Corporate Headquarters: Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA
Copyright © 1999–2000. Cisco Systems, Inc. All rights reserved.
Release Notes for Cisco 2500 Series for
Cisco IOS Release 12.0 T
December 13, 1999
These release notes for Cisco 2500 series support Cisco IOS Release 12.0 T, up to and including
Release 12.0(7)T. These release notes are updated as needed to describe new features, memory
requirements, hardware support, software platform deferrals, and changes to the microcode or modem
code and related documents.
For a list of the software caveats that apply to Release 12.0(7)T, see the Caveats for Cisco IOS
Release 12.0 T document that accompanies these release notes. The caveats document is updated for
every maintenance release and is located on Cisco Connection Online (CCO) and the Documentation
CD-ROM.
Use these release notes with Cross-Platform Release Notes for Cisco IOS Release 12.0 on CCO and the
Documentation CD-ROM.
Contents
These release notes describe the following topics:
System Requirements, page 2
New and Changed Information, page 18
Important Notes, page 36
Caveats, page 42
Related Documentation, page 43
Obtaining Documentation, page 48
Obtaining Technical Assistance, page 48
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Summary of Contents

Page 1 - Cisco IOS Release 12.0 T

Corporate Headquarters: Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USACopyright © 1999–2000. Cisco Systems, Inc. All rights r

Page 2 - System Requirements

System Requirements10Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0Table 5 Feature List by Feature Set for the Cisc

Page 3 - Hardware Supported

11Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0System RequirementsConditionallyTriggered DebuggingYes Yes Yes Yes

Page 4 - Feature Set Tables

System Requirements12Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0Quality of ServiceYes Yes Yes Yes Yes Yes YesCLI

Page 5

13Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0System RequirementsWAN ServicesAlways On DynamicISDNYesNoNoNoNoYesY

Page 6

System Requirements14Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0Dynamic MultipleEncapsulationsProtocol(7) Yes Ye

Page 7

15Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0System RequirementsEntity MIB Yes Yes Yes Yes Yes Yes Yes NoExpress

Page 8

System Requirements16Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0Quality of ServiceCLI Search String (1) Yes Yes

Page 9

17Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0System RequirementsWAN OptimizationDRP Server AgentEnhancementsYesY

Page 10 - Management

New and Changed Information18Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0New and Changed InformationThe following

Page 11 - Reliability

19Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0New and Changed InformationFor CBWFQ, the weight for a packet belon

Page 12 - Scalability

System Requirements2Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0System RequirementsThis section describes the sys

Page 13 - WAN Services

New and Changed Information20Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0are replacing their traditional SNA netw

Page 14

21Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0New and Changed InformationWhen this feature is enabled, Multichass

Page 15

New and Changed Information22Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0DNS-Based X.25 RoutingManaging a large T

Page 16

23Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0New and Changed InformationCisco IOS software-based, integrated fir

Page 17

New and Changed Information24Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0reports, if any. You then troubleshoot y

Page 18 - New and Changed Information

25Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0New and Changed InformationX.25 Remote Failure DetectionStatic rout

Page 19 - SNA Switching Services

New and Changed Information26Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0Annex-G (X.25 over Frame Relay)Annex G (

Page 20 - VPN Tunnel Management

27Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0New and Changed InformationUsing routing table intelligence in the

Page 21 - 78-5563-07 Rev.H0

New and Changed Information28Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0For Frame Relay, a new interface command

Page 22 - Firewall Feature Set

29Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0New and Changed InformationMultimedia Conference ManagerUse the Mul

Page 23 - Multicast Routing Monitor

3Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0System RequirementsHardware SupportedCisco IOS Release 12.0 T suppor

Page 24 - Subnetwork Bandwidth Manager

New and Changed Information30Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0Process MIBThe addition of the CISCO-PRO

Page 25 - One New Feature Set

31Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0New and Changed Information• Masquerade or protection against attem

Page 26 - DistributedDirector

New and Changed Information32Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0WCCPv2 provides enhancements to WCCPv1,

Page 27 - DLSw+ Peer Clusters

33Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0New and Changed InformationThe RSM module can either route or bridg

Page 28 - Multilink Inverse Multiplexer

New and Changed Information34Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0Currently, IP and IPX extended access li

Page 29 - Multimedia Conference Manager

35Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0New and Changed InformationIOS STP EnhancementsIOS Spanning Tree Pr

Page 30 - Process MIB

Important Notes36Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0Normally, a management station is not notified when

Page 31 - Token Ring MPOA

37Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0Important NotesAttackers can cause Cisco IOS devices to repeatedly

Page 32 - RSM/TR-VLAN

Important Notes38Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0• Cisco DistributedDirectorAffected software version

Page 33 - Time-Based Access Lists

39Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0Important NotesGive the URL of this notice (http://www.cisco.com/wa

Page 34 - ISDN MIB RFC2127

System Requirements4Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0Determining the Software VersionTo determine the

Page 35 - ATM PVC Trap Support

Important Notes40Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0Listing all possible addresses—especially all possib

Page 36 - Important Notes

41Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0Important Notes12.0 S ISP support; 7200, RSP,GSR12.0(2.3)S,27-DEC-1

Page 37

Caveats42Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0Deprecated MIBsOld Cisco Management Information Bases (MIBs)

Page 38 - Solution

43Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0Related DocumentationRelated DocumentationThe following sections de

Page 39 - Workarounds

Related Documentation44Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0Platform-Specific DocumentsThese documents are

Page 40 - Software Versions and Fixes

45Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0Related DocumentationOn CCO at:Technical Documents: Documentation H

Page 41

Related Documentation46Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0• Dial Solutions Configuration Guide• Dial Sol

Page 42 - Deprecated MIBs

47Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0Related DocumentationNote Cisco Management Information Base (MIB) U

Page 43 - Related Documentation

Obtaining Documentation48Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0Obtaining DocumentationWorld Wide WebYou can

Page 44 - Feature Modules

49Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0Obtaining Technical AssistanceYou can access Cisco.com in the follo

Page 45 - Documentation Set

5Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0System RequirementsCaution Cisco IOS images with strong encryption (

Page 46 - Documentation Set (continued)

Obtaining Technical Assistance50Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0Software Configuration Tips on the Ci

Page 47

51Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0Obtaining Technical AssistanceThis document is to be used in conjun

Page 48 - Obtaining Documentation

Obtaining Technical Assistance52Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0

Page 49 - Technical Assistance Center

System Requirements6Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0States may require an export license. Customer or

Page 50 - Documentation Feedback

7Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0System RequirementsIS-to-IS MultiareaSupport(5) Yes Yes Yes Yes Yes

Page 51

System Requirements8Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0X.25 Switch LocalAcknowledgment(7) No No Yes Yes

Page 52

9Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T78-5563-07 Rev.H0System RequirementsNamed Method Lists forAAA Authentication &Acc

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