Cisco IOS Software Releases 12.0 Special and Early Deployments

Table Of Contents

Release Notes for Cisco 3600 Series for Cisco IOS Release 12.0(5)XK2

Contents

Introduction

System Requirements

Memory Requirements

Hardware Supported

Determining the Software Version

Feature Set Tables

New and Changed Information

New Features in Cisco IOS Release 12.0(5)XK2

New Features in Cisco IOS Release 12.0(5)XK1

New Features in Cisco IOS Release 12.0(5)XK

Digital T1 Packet Voice Trunk Network Modules on Cisco 2600 and 3600 Series Routers

Multiport T1/E1ATM Network Modules with Inverse Multiplexing over ATM on Cisco 2600 and 3600 Series Routers

Limitations and Restricitions

Voice over ATM on Cisco 3600 Routers

Voice over Frame Relay

QSIG and Transparent CCS

Important Notes

Deprecated MIBs

Caveats

Open Caveats for Release12.0(5)XK2

Resolved Caveats for Release12.0(5)XK2

SNMP

Caveats for Release12.0(5)XK1

Basic System Services

IBM Connectivity

Interfaces and Bridging

Resolved Caveats for Release12.0(5)XK1

Caveats for Release12.0(5)XK

Basic System Services

IBM Connectivity

Interfaces and Bridging

IP Routing Protocols

Miscellaneous

Novell IPX, XNS, and Apollo Domain

Wide-Area Networking

Related Documentation

Release-Specific Documents

Platform-Specific Documents

Feature Modules

Cisco IOS Software Documentation Set

Documentation Modules

Cisco IOS Release 12.0 Documentation Set

Service and Support

Software Configuration Tips on the Cisco TAC Home Page

Cisco Connection Online

Documentation CD-ROM

Release Notes for Cisco 3600 Series for Cisco IOS Release 12.0(5)XK2

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February 11, 2002

These release notes for Cisco 3600 series describe the enhancements provided in Cisco IOS Release 12.0(5)XK2, which is an early deployment release based on the Cisco IOS Release 12.0T. These release notes are updated as needed to describe new features, memory requirements, hardware support, software platform deferrals, microcode or modem code changes, and related documents.

For a list of the software caveats that apply to Cisco IOS Release 12.0(5)XK2, see "Caveats" section.

Use these release notes with Cross-Platform Release Notes for Cisco IOS Release 12.0 on Cisco Connection Online (CCO) and the Documentation CD-ROM.

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Note   Features in Cisco IOS Release 12.0(5)XK2 will not be available in Cisco IOS Release 12.1(1)T. Cisco IOS Release 12.0(5)XK2 features will be available in Cisco IOS Release 12.1(2)T.

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Contents

These release notes describe the following topics:

•Introduction

•System Requirements

•New and Changed Information

•Important Notes

•Caveats

•Related Documentation

•Service and Support

•Cisco Connection Online

•Documentation CD-ROM

Introduction

Cisco IOS release 12.0(5)XK2 extends and updates voice capabilities on the 3600 platform. Features that have been added or updated are:

•The QSIG protocol provides signaling for Private Integrated services Network Exchange (PINX) devices and is based on the Q.931 standard.

•Transparent Common Channel Signaling (CCS) provides point-to-point PINX connection capability to digital voice module (DVM) interfaces when the PINX does not support QSIG, or when the PINX has a proprietary solution.

•Voice over Frame Relay functionality has been updated in this release so that configuration on all supported platforms is nearly identical.

•New voice-port testing commands allow the user to force voice ports into specific states for testing.

•The Cisco 2600, 3600, and MC3810 series routers and concentrators all support data, voice, and video transport to varying degrees. Numerous voice port commands and features that were previously limited to one or two of these platforms have been extended to additional platforms, and differences in configuration commands have been reduced or eliminated.

System Requirements

This section describes the system requirements for Cisco IOS Release 12.0(5)XK2:

•Memory Requirements

•Hardware Supported

•Determining the Software Version

•Upgrading to a New Software Release, page 7

•Feature Set Tables

Memory Requirements

Enter

Table 1 Memory Requirements for the Cisco 3600 Series 

Feature Set by Platform	Image Name	Required Flash Memory	Required DRAM Memory	Runs From
IP	c3620-i-mz	8 MB	32 MB	RAM
IP/FW/IDS Plus IPSec 3DES	c3620-ik2o3s-mz	16 MB	64 MB	RAM
IP Plus IPSec 3DES	c3620-ik2s-mz	16 MB	48 MB	RAM
IP/FW/IDS	c3620-io3-mz	8 MB	32 MB	RAM
IP/FW/IDS Plus IPSec 56	c3620-io3s56i-mz	16 MB	64 MB	RAM
IP Plus	c3620-is-mz	16 MB	48 MB	RAM
IP Plus IPsec 56	c3620-is56i-mz	16 MB	48 MB	RAM
IP/H323	c3620-ix-mz	8 MB	48 MB	RAM
IP/IPX/AT/DEC	c3620-d-mz	8 MB	32 MB	RAM
IP/IPX/AT/DEC Plus	c3620-ds-mz	16 MB	48 MB	RAM
IP/IPX/AT/DEC/FW/IDS Plus	c3620-do3s-mz	16 MB	64 MB	RAM
Enterprise Plus	c3620-js-mz	16 MB	64 MB	RAM
Enterprise Plus IPSec 3DES	c3620-jk2s-mz	16 MB	64 MB	RAM
Enterprise/FW/IDS Plus IPSec 3DES	c3620-jk2o3s-mz	16 MB	64 MB	RAM
Enterprise/FW/IDS Plus IPSec 56	c3620-jo3s56i-mz	16 MB	64 MB	RAM
Enterprise Plus IPSec 56	c3620-js56i-mz	16 MB	64 MB	RAM
Enterprise/SNASW Plus IPSec 3DES	c3620-a3jk2s-mz	16 MB	64 MB	RAM
Enterprise/SNASW Plus	c3620-a3js-mz	16 Mb	64 Mb	RAM
Enterprise/SNASW Plus IPSec 56	c3620-a3js56i-mz	16 MB	64 MB	RAM
IP	c3640-i-mz	8 MB	32 MB	RAM
IP/FW/IDS Plus IPSec 3DES	c3640-ik2o3s-mz	16 MB	64 MB	RAM
IP Plus IPSec 3DES	c3640-ik2s-mz	16 MB	48 MB	RAM
IP/FW/IDS	c3640-io3-mz	8 MB	32 MB	RAM
IP/FW/IDS Plus IPSec 56	c3640-io3s56i-mz	16 MB	64 MB	RAM
IP Plus	c3640-is-mz	16 MB	48 MB	RAM
IP Plus IPSec 56	c3640-is56i-mz	16 MB	48 MB	RAM
IP/H323	c3640-ix-mz	8 MB	48 MB	RAM
IP/IPX/AT/DEC	c3640-d-mz	8 MB	32 MB	RAM
IP/IPX/AT/DEC Plus	c3640-ds-mz	16 MB	48 MB	RAM
IP/IPX/AT/DEC/FW/IDS Plus	c3640-do3s-mz	16 MB	64 MB	RAM
Enterprise Plus	c3640-js-mz	16 MB	64 MB	RAM
Enterprise Plus IPSec 3DES	c3640-jk2s-mz	16 MB	64 MB	RAM
Enterprise/FW/IDS Plus IPSec 3DES	c3640-jk2o3s-mz	16 MB	64 MB	RAM
Enterprise/FW/IDS Plus IPSec 56	c3640-jo3s56i-mz	16 MB	64 MB	RAM
Enterprise Plus IPSec 56	c3640-js56i-mz	16 MB	64 MB	RAM
Enterprise/SNASW Plus IPSec 3DES	c3640-a3jk2s-mz	16 MB	64 MB	RAM
Enterprise/SNASW Plus	c3640-a3js-mz	16 Mb	64 Mb	RAM
Enterprise/SNASW Plus IPSec 56	c3640-a3js56i-mz	16 MB	64 MB	RAM
IP	c3660-i-mz	8 MB	32 MB	RAM
IP/FW/IDS Plus IPSec 3DES	c3660-ik2o3s-mz	16 MB	64 MB	RAM
IP Plus IPSec 3DES	c3660-ik2s-mz	16 MB	64 MB	RAM
IP/FW/IDS	c3660-io3-mz	8 MB	32 MB	RAM
IP/FW/IDS IPSec 56	c3660-io3s56i-mz	16 MB	64 MB	RAM
IP Plus	c3660-is-mz	16 MB	64 MB	RAM
IP Plus IPSec 56	c3660-is56i-mz	16 MB	64 MB	RAM
IP/H323	c3660-ix-mz	8 MB	64 MB	RAM
IP/IPX/AT/DEC	c3660-d-mz	8 MB	64 MB	RAM
IP/IPX/AT/DEC Plus	c3660-ds-mz	16 MB	64 MB	RAM
IP/IPX/AT/DEC/FW/IDS Plus	c3660-do3s-mz	16 MB	64 MB	RAM
Enterprise Plus	c3660-js-mz	16 MB	64 MB	RAM
Enterprise Plus IPSec 3DES	c3660-jk2s-mz	16 MB	64 MB	RAM
Enterprise/FW/IDS Plus IPSec 3DES	c3660-jk2o3s-mz	16 MB	64 MB	RAM
Enterprise/FW/IDS Plus IPSec 56	c3660-jo3s56i-mz	16 MB	64 MB	RAM
Enterprise Telco	c3660-telco-mz	16 MB	64 MB	RAM
Enterprise Telco Plus	c3660-telcoent-mz	16 MB	64 MB	RAM
Enterprise Plus IPSec 56	c3660-js56i-mz	16 MB	64 MB	RAM
Enterprise/SNASW Plus IPSec 3DES	c3660-a3jk2s-mz	16 MB	64 MB	RAM
Enterprise/SNASW Plus	c3660-a3js-mz	16 Mb	64 Mb	RAM
Enterprise/SNASW Plus IPSec 56	c3660-a3js56i-mz	16 MB	64 MB	RAM

Hardware Supported

Cisco IOS Release 12.0(5)XK2 supports the Cisco 3600 series routers:

•Cisco 3620

•Cisco 3640

•Cisco 3660

Table 2 Supported Interfaces on the Cisco 3600 Series 

Interface, Network Module, or Data Rate		Platforms Supported
Dial Access Network Modules	16- and 32-port Asynchronous network module	All Cisco 3600 series platforms
	6- to 30-port Integrated Digital Modems network module	All Cisco 3600 series platforms
	8- or 16-port Integrated Analog network module	All Cisco 3600 series platforms
LAN Interfaces	1- and 4-port Ethernet (AUI and 10BaseT)	All Cisco 3600 series platforms
	1-port Fast Ethernet (100BaseTX and 100BaseFX)	All Cisco 3600 series platforms
Mixed Media Network Modules	1-port 10/100BaseTX with 1-port Channelized/PRI E1 balanced mode	All Cisco 3600 series platforms
	1-port 10/100BaseTX with 1-port Channelized/PRI E1 unbalanced mode	All Cisco 3600 series platforms
	1-port 10/100BaseTX with 1-port Channelized/PRI T1	All Cisco 3600 series platforms
	1-port 10/100BaseTX with 1-port Channelized/PRI T1 with CSU	All Cisco 3600 series platforms
	1-port 10/100BaseTX with 2-port Channelized/PRI E1 balanced mode	All Cisco 3600 series platforms
Mixed Media Network Modules (continued)	1-port 10/100BaseTX with 2-port Channelized/PRI E1 unbalanced mode	All Cisco 3600 series platforms
	1-port 10/100BaseTX with 2-port Channelized/PRI T1	All Cisco 3600 series platforms
	1-port 10/100BaseTX with 2-port Channelized/PRI T1 with CSU	All Cisco 3600 series platforms
	1 Ethernet and 2 WAN card slots	All Cisco 3600 series platforms
	1 Ethernet, 1 Token Ring, and 2 WAN card slots	All Cisco 3600 series platforms
	2 Ethernet and 2 WAN card slots	All Cisco 3600 series platforms
Multiport T1/E1 ATM Network Modules with Inverse Multiplexing over ATM (IMA)1	4-port T1 ATM network module with IMA (NM-4T1-IMA (=))	All Cisco 3600 series platforms
	4-port E1 ATM network module with IMA (NM-4E1-IMA (=)	All Cisco 3600 series platforms
	8-port T1 ATM network module with IMA (NM-8T1-IMA (=))	All Cisco 3600 series platforms
	8-port E1 ATM network module with IMA (NM-8E1-IMA (=)	All Cisco 3600 series platforms
Digital T1 Packet Voice Trunk Network Modules and Spare Components Digital T1 Packet Voice Trunk Network Modules and Spare Components	1-port, 30-channel E1 voice/fax module, supports 30 channels of G.729a/b, G.726, G.711 and fax or 18 channels of G.726, G.729, G.723.1, G.728, G.729a/b, G.711, and fax. Consists of one NM-HDV, three PVDM-12s, and one VWIC-1MFT-E12 . Part number: NM-HDV-1E1-30(=)	All Cisco 3600 series platforms
	1-port, enhanced 30-channel E1 voice/fax module, supports 30 channels of G.729a/b, G.726, G.729, G.728, G.723.1, G.711, and fax. Consists of one NM-HDV, five PVDM-12s, and one VWIC-1MFT-E13 . Part number: NM-HDV-1E1-30E(=)	All Cisco 3600 series platforms
	2-port, 60-channel E1 voice/fax module, supports add/drop multiplexing (drop and insert); 60 channels of G.729a/b, G.726, G.711, and fax; or 30 channels of G726, G729, G723.1, G.728, G.729a/b, G.711, and fax. Consists of one NM-HDV, five PVDM-12, and one VWIC-2MFT-E1-DI4 . Part number: NM-HDV-2E1-60(=)	All Cisco 3600 series platforms
	1-port, 24-channel T1 voice/fax module, supports 24 channels of medium-complexity codecs: G.729a/b, G.726, G.711 and fax or 12 channels of G.726, G.729, G.723.1, G.728, G.729a/b, G.711, and fax. Consists of one NM-HDV, two PVDM-12s, and one VWIC-1MFT-T15 . Part number: NM-HDV-1T1-24(=)	All Cisco 3600 series platforms
	1-port, enhanced 24-channel T1 voice/fax module, supports 24 channels of high- and medium-complexity codecs: G.729a/b, G.726, G.729, G.728, G.723.1, G.711, and fax. Consists of one NM-HDV, four PVDM-12s, and one VWIC-1MFT-T12. Part number: NM-HDV-1T1-24E(=)	All Cisco 3600 series platforms
	2-port, 48-channel T1 voice/fax module, supports add/drop multiplexing (drop and insert); 48 channels of medium-complexity codecs: G.729a/b, G.726,G.711, and fax; or 24 channels of G726, G729, G723.1, G.728, G729a/b, G711, and fax. Consists of one NM-HDV, four PVDM-12, and one VWIC-2MFT-T1-DI2. Part number: NM-HDV-2T1-48(=)	All Cisco 3600 series platforms
	High-density voice/fax network module spare (NM-HDV=)	Digital T1 Packet Voice Trunk Network Modules spare component
	12-channel packet voice DSP module upgrade spare (PVDM-12=)	Digital T1 Packet Voice Trunk Network Modules spare component
	1-port RJ-48 MultiFlex Trunk - T1 (VWIC-1MFT-T1(=))2	Digital T1 Packet Voice Trunk Network Modules spare component
Digital T1 Packet Voice Trunk Network Modules and Spare Components (continued)	2-port RJ-48 MultiFlex Trunk - T1 (VWIC-2MFT-T1(=))2	Digital T1 Packet Voice Trunk Network Modules spare component
	2-port RJ-48 MultiFlex Trunk with drop and insert - T1 (VWIC-2MFT-T1-DI(=))2	Digital T1 Packet Voice Trunk Network Modules spare component
	1-port RJ-48 MultiFlex Trunk - E1 (VWIC-1MFT-E1(=))4	Digital T1 Packet Voice Trunk Network Modules spare component
	2-port RJ-48 MultiFlex Trunk - E1 (VWIC-2MFT-E1(=))4	Digital T1 Packet Voice Trunk Network Modules spare component
	2-port RJ-48 MultiFlex Trunk with drop and insert - E1 (VWIC-2MFT-E1-DI(=))4	Digital T1 Packet Voice Trunk Network Modules spare component
T1/E1 Multiflex Voice/WAN Interface Cards1	1-Port T1 multiflex trunk interface (VWIC-1MFT-T1)	All Cisco 3600 series platforms6
	1-Port E1 multiflex trunk interface (VWIC-1MFT-E1)	Cisco 3620 and 3640 platforms in a 1- or 2-port network module (NM-1E2W, NM-2E2W, NM-1E1R2W)
	2-Port T1 multiflex trunk interface (VWIC-2MFT-T1)	All Cisco 3600 series platforms
	2-Port T1 multiflex trunk interface with Drop and Insert (VWIC-2MFT-T1-DI)	All Cisco 3600 series platforms7
	2-Port E1 multiflex trunk interface with Drop and Insert (VWIC-2MFT-E1-DI)	All Cisco 3600 series platforms
Voice/Fax Interfaces and Network Modules1	1- and 2-port Voice/Fax network module	All Cisco 3600 series platforms with Voice/Fax network module
	2-port E&M Voice interface card	All Cisco 3600 series platforms
	2-port FXO Voice interface card	All Cisco 3600 series platforms with Voice/Fax network module
	2-port FXS Voice interface card	All Cisco 3600 series platforms with Voice/Fax network module
	2-port BRI Voice interface card	All Cisco 3600 series platforms Voice/Fax network module
WAN Data Rates	48/56/64 kbps	All Cisco 3600 series platforms
	1.544/2.048 Mbps	All Cisco 3600 series platforms
	Up to 8 Mbps on 4-port Serial network module	All Cisco 3600 series platforms
	52 Mbps max using High-Speed Serial Interface (HSSI) network module	All Cisco 3600 series platforms
	155 Mbps on ATM OC3 network modules	All Cisco 3600 series platforms
WAN Interfaces and Network Modules	1- and 2-port Channelized T1 and E1 network module	All Cisco 3600 series platforms
	1-port ATM-25 network modules1	All Cisco 3600 series platforms
	1-port BRI with NT or S/T WAN interface card	All Cisco 3600 series platforms
	1-port High Speed Serial Interface (HSSI) network module	All Cisco 3600 series platforms
	4- and 8-port BRI network module with NT1	All Cisco 3600 series platforms
	4- and 8-port BRI network module with S/T interface	All Cisco 3600 series platforms
	4- and 8-port Synchronous/Asynchronous	All Cisco 3600 series platforms
	4-port Serial	All Cisco 3600 series platforms
WAN Interfaces and Network Modules (continued)	56/64 kbps DSU/CSU	All Cisco 3600 series platforms
	T1 WAN interface card	All Cisco 3600 series platforms
	T1 with Integrated DSU/CSU	All Cisco 3600 series platforms
	ATM OC3 network module with multimode fiber and OC3 uplink port	All Cisco 3600 series platforms
	ATM OC3 network module with single-mode intermediate reach fiber and OC3 uplink port (VPD)	All Cisco 3600 series platforms
	ATM OC3 network module with single-mode long reach fiber and OC3 uplink port	All Cisco 3600 series platforms
Other Network Modules	Compression network module	Cisco 3620 and 3640 platforms
	4 E1 data compression AIM	Cisco 3660 series platforms

1 Requires the Cisco IOS Plus feature sets. 2 See E1/T1 Multiflex Voice/WAN Interface Cards in this table. 3 See E1/T1 Multiflex Voice/WAN Interface Cards in this table. 4 See E1/T1 Multiflex Voice/WAN Interface Cards in this table. 5 See T1/E1 Multiflex Voice/WAN Interface Cards in this table. 6 Only supported in T1 Digital Packet Voice Trunk Network Modules. 7 For Cisco 3660 series, only supported in T1 Digital Packet Voice Trunk Network Modules. For Cisco 3620 and 3640, supported in T1 Digital Packet Voice Trunk Network Modules or in 1- or 2-port network module (NM-1E2W, NM-2E2W, NM-1E1R2W).

Determining the Software Version

To determine the version of Cisco IOS software running on a Cisco 3600 series router, log in to the router and enter the show version EXEC command:

router>show version

Cisco Internetwork Operating System Software 

IOS (tm) 3600 Software (c3600-i-mz), Version 12.0(5)XK2, RELEASE SOFTWARE

Feature Set Tables

Cisco IOS software is packaged in feature sets consisting of software images—depending on the platform. Each feature set contains a specific set of Cisco IOS features.

Table 3 Feature Sets Supported by the Cisco 3600 Series 

Feature Sets		Feature Set Matrix Term	Software Image	Platforms
IP Standard Feature Sets	IP	Basic1	c3620-i-mz, c3640-i-mz, c3660-i-mz	Cisco 3620, Cisco 3640, Cisco 3660
	IP Plus	Plus2	c3620-is-mz, c3640-is-mz, c3660-is-mz	Cisco 3620, Cisco 3640, Cisco 3660
	IP Plus IPSec 56	Plus, IPSec 563	c3620-is56i-mz, c3640-is56i-mz, c3660-is56i-mz	Cisco 3620, Cisco 3640, Cisco 3660
	IP Plus IPSec 3DES	Plus, IPSec, 3DES4	c3620-ik2s-mz, c3640-ik2s-mz, c3660-ik2s-mz	Cisco 3620, Cisco 3640, Cisco 3660
	IP/FW/IDS Plus IPSec 3DES	Plus, IPSec, 3DES	c3620-ik2o3s-mz, c3640-ik2o3s-mz, c3660-ik203s-mz	Cisco 3620, Cisco 3640, Cisco 3660
	IP/H.323	Basic, H323	c3620-ix-mz, c3640-ix-mz, c3660-ix-mz	Cisco 3620, Cisco 3640, Cisco 3660
	IP/FW/IDS	Plus, Firewall	c3620-io3-mz, c3640-io3-mz, c3660-io3-mz	Cisco 3620, Cisco 3640, Cisco 3660
	IP/FW/IDS/ Plus IPSec 56	Plus, Firewall, IPSec, 3DES	c3620-io3s56i-mz, c3640-io3s56i-mz, c3660-io3s56i-mz	Cisco 3620, Cisco 3640, Cisco 3660
Desktop IBM Standard Feature Sets	IP/IPX/AppleTalk/ DEC	Basic	c3620-d-mz, c3640-d-mz, c3660-d-mz	Cisco 3620, Cisco 3640, Cisco 3660
	IP/IPX/AppleTalk/ DEC Plus	Plus	c3620-ds-mz, c3640-ds-mz, c3660-ds-mz	Cisco 3620, Cisco 3640, Cisco 3660
	IP/IPX/AppleTalk/ DEC/FW/IDS Plus	Plus	c3620-do3s-mz, c3640-do3s-mz, c3660-do3s-mz	Cisco 3620, Cisco 3640, Cisco 3660
Enterprise Standard Feature Sets	Enterprise Plus	Plus	c3620-js-mz, c3640-js-mz, c3660-js-mz	Cisco 3620, Cisco 3640, Cisco 3660
	Enterprise Plus IPSec 56	Plus, IPSec 56	c3620-js56i-mz, c3640-js56i-mz, c3660-js56i-mz	Cisco 3620, Cisco 3640, Cisco 3660
	Enterprise/FW/IDS Plus IPSec 56	Plus, Firewall, IDS, IPSec 56	c3620-jo3s56i-mz, c3640-jo3s56i-mz, c3660-jo3s56i-mz	Cisco 3620, Cisco 3640, Cisco 3660
	Enterprise Plus IPSec 3DES	Plus, IPSec, 3DES	c3620-jk2s-mz, c3640-jk2s-mz, c3660-jk2s-mz	Cisco 3620, Cisco 3640, Cisco 3660
	Enterprise/FW/IDS Plus IPSec 3DES	Plus, Firewall, IDS IPSec, 3DES	c3620-jk2o3s-mz, c3640-jk2o3s-mz, c3660-jk203s-mz	Cisco 3620, Cisco 3640, Cisco 3660
Enterprise Plus w/SNA Feature Sets (formerly APPN)	Enterprise/SNASW Plus IPSec 3DES	SNASW, Plus, IPSec, 3DES	c3620-a3jk2s-mz, c3640-a3jk2s-mz, c3660-a3jk2s-mz	Cisco 3620, Cisco 3640, Cisco 3660
	Enterprise/SNASW Plus	SNASW, Plus	c3620-a3js-mz, c3640-a3js-mz, c3660-a3js-mz	Cisco 3620, Cisco 3640, Cisco 3660
	Enterprise/SNASW Plus IPSec 56	SNASW, Plus, IPSec 56	c3620-a3js56i-mz, c3640-a3js56i-mz, c3660-a3js56i-mz	Cisco 3620, Cisco 3640, Cisco 3660
Telco Standard Features	Telco Feature Set	Telco	c3660-telco-mz	Cisco 3660
	Telco Plus Feature Set	Telco, Plus	c3660-telcoent-mz	Cisco 3660

1 This feature set is offered in the basic feature set. 2 This feature set is offered in the Plus feature set. 3 This feature set is offered in the encryption feature sets which consist of IPSec 56-bit (Plus IPSec 56) data encryption feature sets. 4 This feature set is offered in the encryption feature sets which consist of Triple DES (3DES) Encryption data encryption feature sets.

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Caution   

Cisco IOS images with strong encryption (including, but not limited to 168-bit (3DES) data encryption feature sets) are subject to United States government export controls and have limited distribution. Strong encryption images to be installed outside the United States are likely to require an export license. Customer orders may be denied or subject to delay due to United States government regulations. When applicable, the purchaser or user must obtain local import and use authorizations for all encryption strengths. Contact your sales representative or distributor for more information, or send an e-mail to export@cisco.com.

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and list the features and feature sets supported by the Cisco IOS Release 12.0(5)XK2 for the Cisco 3600 series.

•: IP and IP/IPX/AppleTalk/DEC Feature Sets and Features for the Cisco 3600 Series

•: Enterprise and Enterprise Plus Feature Sets and Features for the Cisco 3600 Series

The following tables use the following conventions to identify features:

•Yes—The feature is supported in the feature set.

•No—The feature is not supported in the feature set.

•In—The Cisco IOS release that first introduces a feature. For example, (1) means a feature is introduced in 12.0(1)T. If a cell is empty in this column, the feature was included in the initial base release.

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Note   These feature set tables contain only selected lists of features. These tables are not cumulative or complete lists of all the features in each image

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.

Table 4 Feature Lists by Feature Sets for the Cisco 3600 Series, Part 1 of 2

Features	In	Feature Sets
		IP	IP Plus	IP Plus IPSec 3DES	IP Plus IPSec 56	IP FW IDS	IP FW IDS Plus IPSec 3DES	IP FW IDS Plus IPSec 56	IP IPX AT DEC	IP IPX AT DEC Plus	IP IPX AT DEC FW Plus
Connectivity
Layer 2 Tunnel Protocol (L2TP)	(1)	No	Yes	No	Yes	Yes	Yes	Yes	No	Yes	Yes
RIP Enhancements	(1)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
SNMP version 3	(3)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
IBM Support
DLSw+ RSVP	(3)	No	Yes	No	Yes	Yes	Yes	Yes	No	Yes	Yes
DLSw+ Enhanced Load Balancing	(3)	No	Yes	No	Yes	Yes	Yes	Yes	No	Yes	Yes
DLSw+ Peer Clusters	(3)	No	Yes	No	Yes	Yes	Yes	Yes	No	Yes	Yes
Token Ring Interswitch Link	(3)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
IP Routing
Easy IP Phase 2- DHCP Server	(1)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Flow Random Early Detection	(3)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
OSPF Packet Pacing	(1)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
OS_IFSS	(1)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Response Time Reporter Enhancements	(3)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Service Provider 1	(3)	No	No	No	No	No	No	No	No	No	No
NetFlow Policy Infrastructure	(3)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Web Cache Communications Protocol V2 (WCCPv2)	(3)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Management
1FE2P Network Module1	(1)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
ISDN MIB RFC 2127	(1)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Process MIB	(3)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Quality of Service
CLI String Search	(1)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Security
Cisco IOS Firewall Feature Set	(1)	No	No	No	No	Yes	Yes	Yes	No	No	Yes
IPSec Triple DES	(2)	No	No	Yes	No	No	Yes	No	No	No	No
Switching
Cisco IOS STP Enhancements	(1)	No	Yes	Yes	No	Yes	Yes	Yes	No	Yes	Yes
Voice
BRI Voice over IP: VIC-2BRI-S/T-TE1	(3)	No	Yes	Yes	Yes	No	Yes	Yes	No	Yes	Yes
Voice Over Frame Relay, FRF.11 and FRF.12	(4)	No	Yes	Yes	Yes	No	Yes	Yes	No	Yes	Yes
WAN Services
Digital T1 Packet Voice Trunk network Modules	(5)XK	No	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes
Multiport T1/E1 ATM Network Modules with Inverse Multiplexing over ATM	(5)XK	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Annex-G (X.25 over Frame Relay)	(3)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
ATM OC3 NM	(3)	No	Yes	No	Yes	Yes	Yes	Yes	No	Yes	Yes
IOS IEEE 802.1Q Support	(1)	No	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes
ISDN Dynamic Multiple Encaps for Dial-in	(4)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
ISDN LAPB-TA	(4)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Mobile IP	(1)	No	Yes	Yes	Yes	No	Yes	Yes	No	Yes	Yes
Modem over ISDN BRI2	(3)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
PPP Over Frame Relay	(1)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
R2 Signaling	(1)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Time-based Access Lists	(1)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
X.25 over ISDN D Channel X.25 Load Balancing	(1)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
	(3)	No	No	No	No	No	No	No	No	No	No

1 Cisco 3620 and 3640 routers only 2 Cisco 3640 routers only

Table 5 Feature Lists by Feature Sets for the Cisco 3600 Series, Part 2 of 2 

Features	In	Software Images by Feature Sets
		Enter- prise Plus	Enter- prise Plus IPSec 56	Enter- prise FW IDS Plus IPSec 56	Enter- prise Plus IPSec 3DES1	Enter- prise FW IDS Plus IPSec 3DES2	Enter- prise SNASW Plus	Enter- prise SNASW Plus IPSec 56	Enter- prise SNASW Plus IPSec 3DES2
IBM Support
DLSw+ RSVP	(3)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
DLSw+ Enhanced Load Balancing	(3)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
DLSw+ Peer Clusters	(3)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Token Ring Interswitch Link	(3)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
IP Routing
Easy IP Phase 2-DHCP Server	(1)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Flow Random Early Detection	(3)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
NetFlow Policy Infrastructure	(3)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
OSPF Packet Pacing	(1)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
OS_IFSS	(1)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Response Time Reporter Enhancements	(3)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Service Provider 1	(3)	No	No	No	No	No	No	No	No
Web Cache Communications Protocol V2 (WCCPv2)	(3)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Management
ISDN MIB RFC 2127	(1)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
1FE2P Network Module2	(1)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Process MIB	(3)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Quality of Service
CLI String Search	(1)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Security
Cisco IOS Firewall Feature Set Platform Support	(1)	No	No	Yes	No	Yes	No	No	No
IPSec Triple DES	(2)	No	No	No	Yes	Yes	No	No	Yes
Switching
Cisco IOS STP Enhancements	(1)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Voice
BRI Voice over IP: VIC-2BRI-S/T-TE2	(3)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Voice Over Frame Relay, FRF.11 and FRF.12	(4)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
WAN Services
Multiport T1/E1 ATM Network Modules with Inverse Multiplexing over ATM	(5)XK	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Digital T1 Packet Voice Trunk network modules	(5)XK	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Annex-G (X.25 over Frame Relay)	(3)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
ATM OC3 NM	(3)	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes
Cisco IOS IEEE 802.1Q Support	(1)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
ISDN Dynamic Multiple Encaps for Dial-in	(4)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
ISDN LAPB-TA	(4)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Mobile IP	(1)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No
Modem over ISDN BRI3	(3)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
PPP Over Frame Relay	(1)	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes
R2 Signaling	(1)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Time-Based Access Lists	(1)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
X.25 Load Balancing	(3)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
X.25 over ISDN D Channel	(1)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes

1 This image was introduced in Cisco IOS Release 12.0(2)T. 2 Cisco 3620 and 3640 routers only 3 Cisco 3640 routers only

New and Changed Information

The following sections list the new features supported by the Cisco 3600 series for Cisco IOS Release 12.0(5)XK2.

New Features in Cisco IOS Release 12.0(5)XK2

No new features are supported for the Cisco 3600 series in Cisco IOS Release 12.0(5)XK2.

New Features in Cisco IOS Release 12.0(5)XK1

No new features are supported for the Cisco 3600 series in Cisco IOS Release 12.0(5)XK1.

New Features in Cisco IOS Release 12.0(5)XK

The following features are available for the Cisco 3600 series in Cisco IOS Release 12.0(5)XK.

Digital T1 Packet Voice Trunk Network Modules on Cisco 2600 and 3600 Series Routers

Digital T1 packet voice trunk network modules for Cisco 2600 and 3600 series routers allow enterprises or service providers, using the equipped routers as customer premises equipment, to deploy digital voice and fax relay. These modules receive constant bit-rate telephony information over T1 interfaces and can convert that information to a compressed format, so that it can be transmitted as voice over IP.

The following high-density T1 network modules are available:

•1-port 24-Channel T1 High-Density Voice Network Module (NM-HDV-1T1-24)

•1-port Enhanced 24-Channel T1 High-Density Voice Network Module (NM-HDV-1T1-24E)

•2-Port 48-Channel High-Density Voice Network Module (NM-HDV-2T1-48)

T1 digital voice over IP includes the following functionality:

•T1 Channel Associated Signaling (CAS) for the following line-signaling types:

•rEceive and transMit or Ear and Mouth (E&M) immediate start

•E&M wink start

•E&M delay start (also called "dial repeating")

•Foreign Exchange Station (FXS) and Foreign Exchange Office (FXO) loop start

•FXS and FXO ground start

•Dynamic bandwidth allocation using voice activity detection (VAD)

•Drop-and-Insert capability, allowing the interchange of time-division multiplexing (TDM) slots between the ports on a two-port T1 multiflex trunk voice/WAN interface card installed in a digital T1 packet voice trunk network module

•Support for a wide range of International Telecommunication Union (ITU-T) G-series compression specifications, including:

•G.711 A Law at 64,000 bps

•G.711 u Law at 64,000 bps

•G.723.1 Annex A at 5,300 bps

•G.723.1 Annex A at 6,300 bps

•G.723.1 at 5,300 bps

•G.723.1 at 6,300 bps

•G.726 at 16,000 bps

•G.726 at 24,000 bps

•G.726 at 32,000 bps

•G.728 at 16,000 bps

•G.729 at 8,000 bps

•G.729 Annex A at 8,000 bps

•G.729 Annex B at 8,000 bps

•G.729 Annex B with Annex A at 8,000 bps

•Depending on codec complexity, either 30 or 60 channels of compressed voice

•High-quality voice endpoint-standard features, such as high-quality echo cancellation, silence suppression, comfort noise generation, and DTMF relay

•Group 3 fax relay

This feature is supported on the following platforms:

•Cisco 2610

•Cisco 2611

•Cisco 2612

•Cisco 2613

•Cisco 2620

•Cisco 2621

•Cisco 3620

•Cisco 3640

•Cisco 3660

Multiport T1/E1ATM Network Modules with Inverse Multiplexing over ATM on Cisco 2600 and 3600 Series Routers

Digital T1 packet voice trunk network modules allow Cisco 2600 and 3600 series routers to provide T1 connectivity to PBXs or to a central office (CO). With digital T1 connectivity, Cisco 2600 and 3600 series routers can provide greater voice density for enterprise and service provider VoIP networks than they could before. A digital T1 packet voice trunk network module is a complete solution, made up of a network module with installed packet voice data modules (PVDMs), and one T1 multiflex trunk voice/WAN interface card with either one or two T1 ports. The T1/E1 multiflex trunk interface cards are dual-mode T1 or E1 interfaces in a VWIC (Voice/WAN Interface Card) form for voice, data, and integrated voice/data applications. The following T1/E1 multiflex trunk interface cards are available:

•1-port T1 multiflex trunk interface (VWIC-1MFT-T1)

•1-port E1 multiflex trunk interface (VWIC-1MFT-E1)

•2-port T1 multiflex trunk interface (VWIC-2MFT-T1)

•2-port E1 multiflex trunk interface (VWIC-2MFT-E1)

•2-port T1 multiflex trunk interface with Drop and Insert (VWIC-2MFT-T1-DI)

•2-port E1 multiflex trunk interface with Drop and Insert (VWIC-2MFT-E1-DI)

The T1/E1 VWICs support the following T1/E1 functionality:

•Single- or dual-port T1/E1 functionality

•Structured or unstructured T1/E1 functionality

•Drop and Insert (also called TDM Cross-Connect) between the T1/E1 ports on dual-port cards, used to hairpin bearer channels to a media gateway device and allowing the interchange of time-division multiplexing (TDM) slots between the ports on a two-port card

This feature is supported on the following platforms:

•Cisco 2610

•Cisco 2611

•Cisco 2612

•Cisco 2613

•Cisco 2620

•Cisco 2621

•Cisco 3620

•Cisco 3640

•Cisco 3660

Limitations and Restricitions

Cisco IOS Release 12.0(5)XK2 contains the following limitations and restrictions. Unless otherwise indicated, these limitations and restrictions apply to all previous software releases as well.

Voice over ATM on Cisco 3600 Routers

•Voice over ATM on the Cisco 3600 Series requires one of the following modules to be installed:

•Multiport T1/E1 ATM network module with IMA

The Multiport T1/E1 ATM network module with IMA supports up to 8 T1/E1 lines. For more information, see the Cisco IOS Release 12(05)T online document Configuring Multiport T1/E1 ATM Network Modules with Inverse Multiplexing over ATM on Cisco 2600 and 3600 Series Routers.

•OC3 ATM Network Module

•The OC3 ATM Network Module supports one OC3 line.

For more information about the Digital T1 packet voice trunk network modules, see the Cisco IOS Release 12.0(3)T online document ATM OC-3 Network Module for the Cisco 3600 Series Routers.

---

Note   Voice over ATM is not supported on the Digital T1 Packet Voice Trunk Network Module in this release.

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•Voice over ATM on the Cisco 3600 Series supports ATM encapsulation AAL5 only. AAL2 is not supported.

Voice over Frame Relay

•The Cisco 2600 series and 3600 series routers cannot terminate calls initiated by a Cisco MC3810 using VoFR implementations prior to Cisco IOS Release 12.0(3)XG or 12.0(4)T.

•Cisco MC3810 concentrators running Cisco IOS versions prior to release 12.0(3)XG or 12.0(4)T cannot tandem VoFR calls from Cisco 2600 series, 3600 series, and 7200 series routers.

•It is currently not possible to translate from the VoIP transport protocol to other protocols such as VoFR. As a result, a call coming in on a VoIP connection might not be (tandem) switched to a VoFR connection.

•Hookflash for dial tone recall from the router is not supported. However, the router can pass-through hookflash on FXO-FXS permanent connections using the connection trunk voice-port configuration command.

•Voice over ATM SVCs are not supported in this release.

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Caution   Voice over ATM SVCs were first supported on the Cisco MC3810 in Cisco IOS Release 12.0(5)XK2 and 12.0(5)T. If upgrading a Cisco MC3810 from IOS release 12.0(5)XK2 or 12.0(5)T to this release to obtain Voice over Frame Relay improvements, you will lose support for your Voice over ATM SVCs.

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QSIG and Transparent CCS

•QSIG data calls are not supported. All calls with bearer capability indicating a non-voice type (such as for video telephony) are rejected

The following restrictions apply to digital E1 packet voice trunk network module configuration:

•Group 4 fax is not supported.

•The high-density voice network module has one slot for a voice/WAN interface card (VWIC); VWICs supply one or two ports. Only the dual-mode (voice/WAN) multiflex trunk cards are supported in the digital E1 packet voice trunk network module, not older VICs.

•Drop-and-Insert capability is supported only between two ports on the same multiflex card.

•Voice over Frame Relay is not supported.

•Wink-start signaling Feature-Group D is not supported.

•Primary Rate Interface (PRI) are not supported.

•R2 signaling is not supported.

•Voice over ATM—including AAL5 encapsulation, circuit emulation service (CES), and AAL2—is not supported for ATM.

•Digital E1 voice is not manageable through Simple Network Management Protocol (SNMP) using existing versions of Cisco Voice Manager. Release 2.0 of Cisco Voice Manager is planned to support the feature.

Important Notes

Beginning with Cisco IOS Release 12.0(5)XK2, Cisco is changing the product numbers you use to order a specific Cisco IOS software image. In short, Cisco will remove the periods separating the release train, maitenance release, and build number. The following table provides some examples.

Old Product Number	New Product Number	Release	Image Description
S364AR1K2-12.0.7XK=	S364AR1K2-12007XK=	Cisco IOS Release 12.0(5)XK	Cisco 3640 Series IOS Enterprise/SNA SW PLUS IPSEC 3DES
S26CP-12.0.7XK=	S26CP-12007XK=	Cisco IOS Release 12.0(5)XK	Cisco 2600 Series IOS IP Plus

Deprecated MIBs

Older Cisco Management Information Bases (MIBs) will be replaced in a future release. OLD-CISCO-* MIBS are currently migrated into more scalable MIBs, without affecting existing Cisco IOS products or NMS applications. Application developers should update from deprecated MIBs to the replacement MIBs as shown in the following table.

Deprecated MIB	Replacement
OLD-CISCO-APPLETALK-MIB	RFC1243-MIB
OLD-CISCO-CHASSIS-MIB	ENTITY-MIB
OLD-CISCO-CPUK-MIB	In Development
OLD-CISCO-DECNET-MIB
OLD-CISCO-ENV-MIB	CISCO-ENVMON-MIB
OLD-CISCO-FLASH-MIB	CISCO-FLASH-MIB
OLD-CISCO-INTERFACES-MIB	IF-MIB CISCO-QUEUE-MIB
OLD-CISCO-IP-MIB
OLD-CISCO-MEMORY-MIB	CISCO-MEMORY-POOL-MIB
OLD-CISCO-NOVELL-MIB	NOVELL-IPX-MIB
OLD-CISCO-SYS-MIB	(Compilation of other OLD* MIBS)
OLD-CISCO-SYSTEM-MIB	CISCO-CONFIG-COPY-MIB
OLD-CISCO-TCP-MIB	CISCO-TCP-MIB
OLD-CISCO-TS-MIB
OLD-CISCO-VINES-MIB	CISCO-VINES-MIB
OLD-CISCO-XNS-MIB

Caveats

Caveats describe unexpected behavior or defects in Cisco IOS software releases. Severity 1 caveats are the most serious caveats; severity 2 are less serious.

This section only contains open and resolved caveats for the current Cisco IOS maintenance release.

All caveats in Release 12.0 and Release 12.0 T are also in Release 12.0(5)XK2.

For information on caveats in Cisco IOS Release 12.0, see Caveats for Cisco IOS Release 12.0 that describes caveats affecting all maintenance releases.

For information on other caveats that also apply to this release, see Caveats for Cisco IOS Release 12.0 T which lists severity 1 and 2 caveats, and is located on CCO and the Documentation CD-ROM

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Note   If you have an account with CCO, you can use Bug Navigator II to find caveats of any severity for any release. You can reach Bug Navigator II on CCO at Software Center: Cisco IOS Software: Cisco Bug Toolkit: Cisco Bug Navigator II or at http://www.cisco.com/support/bugtools.

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Open Caveats for Release12.0(5)XK2

There are no open caveats specific to Cisco IOS Release 12.0(5) XK2 that require documentation in the release notes.

Resolved Caveats for Release12.0(5)XK2

All the caveats listed in this section are resolved in Cisco IOS Release 12.0(5) XK2. This section describes only severity 1 and 2 caveats and select severity 3 caveats.

SNMP

•CSCdw65903

An error can occur with management protocol processing. Please use the following URL for further information:

http://www.cisco.com/cgi-bin/bugtool/onebug.pl?bugid=CSCdw65903

Caveats for Release12.0(5)XK1

This section describes possibly unexpected behavior by Release 12.0(5)XK1. Unless otherwise noted, these caveats apply to all 12.0 releases up to and including 12.0(5)XK1.

Basic System Services

•CSCdj54850

Brings IOS up to RFC 2217 spec. Adds in extra flow control for faxing through IOS. Corrects [now ignores] software flow control issue.

•CSCdk75315

Error messages are generated by RSP routers with VIP cards in some cases. The error messages are generally benign, indicating temporarily out of memory situations, which are then recovered from.

•CSCdm11467

SegV Exception in peer_list_sum, NTP related

When utilizing ntp private mode and control type messages for remote query, it is possible to see a router crash or traceback messages.

•CSCdm44772

If sh run or wr t are issued at exactly the same time from two different VTY, one session may finish before the other and trash a variable that still need to be used by the 1st session which causes a router crash.

Workaround: Don't do sh run at the same time from 2 VTY's.

•CSCdm78286

If you have a Vip2-50 with a ESA module for hardware encryption, you might be seeing this problem. Execute show version and look for 12.0.5, if rsp-dsv56i-mz.120-5 show interface stat and look for...

Router # sh int stat FastEthernet4/0/0 Switching path Pkts In Chars In Pkts Out Chars 
Out Processor 169 17028 5866912 2018892867 Route cache 5866778 2019797528 0 0 ^^^notice 
no route cache^^ Distributed cache 0 0 0 0 Total 5866948 2019815576 5866912 2018892867

Serial5/0/0 Switching path Pkts In Chars In Pkts Out Chars Out Processor 5964672 
1993916338 530 37168 Route cache 0 0 5958298 1967889708 ^^^notice no route cache^^ 
Distributed cache 0 0 0 0 Total 5964672 1993916338 5958828 1967926876

•CSCdm80864

The use of the command backup interface bri 0 breaks the tdm-group command under the T1/E1 controllers in Cisco IOS 12.0(5)XK. Removing the command, saving the config to nvram, and reloading doesn't resolve the problem. The user must either:

write erase and reload

-or-

boot the router ignoring vnram

Reconfigure the router without the faulty command. The work-around is to disable ISDN backup.

IBM Connectivity

•CSCdm55118

A Cisco router using Advanced Peer-to-Peer Networking (APPN) may consume excessive CPU while issuing messages during a Locate storm. In particular, message: XXXTPD02_LOGMSG_01 can be issued repetitively.

•CSCdm71190

APPN Network Node router fails to allocate the conwinner session of its dual CP-CP session with an adjacent End Node. The conloser session will be setup correctly, but the conwinner sessions fails with sense 80140003 as indicated in the debug appn ss. The problem results after changing an adjacent Network Node to an End Node. The workaround is to cycle the link for this End Node.

•CSCdp00456

Router may crash when creating a circuit history for a DLSw lite circuit.

Workaround is to disable circuit history logging by configuring no dlsw history-log.

Interfaces and Bridging

•CSCdj54192

If an interface on a HSSI 1 port (PA-H or H1T+) card goes down/down and you see the following error message, you may be experiencing this problem:

%MUSELIX-1-STOPFAIL: XXXX: Stop Failed at disable port (XXXX = the interface affected) 
%MUSELIX-1-STARTFAIL: XXXX: Start Failed at enable port MUESLIX-1-FAILURE_CAUSE: 
SerialX/X:

This problem is caused by several factors.

Once it falls into this state, execute the following (undocumented) test commands -- (<CR> is a carriage return):

term len 0<CR> sh cont h 1/0<CR> test tpu b<CR> 1/0<CR> g<CR> x<CR> y<CR> r<CR> s<CR> 3<CR> q<CR> test tpu b<CR> 1/1<CR> g<CR> x<CR> y<CR> r<CR> s<CR> 3<CR> q<CR> test len 24<CR>

An example of this process can be obtained by using Bug Navigator II.

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Note   If you have an account with CCO, you can use Bug Navigator II to find caveats of any severity for any release. You can reach Bug Navigator II on CCO at Service & Support: Online Technical Support: Software Bug Toolkit or at http://www.cisco.com/support/bugtools.

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Resolved Caveats for Release12.0(5)XK1

All caveats listed in this section are resolved in Release 12.0(5)XK1. This section only describes severity 1 and severity 2 caveats and select severity 3 caveats.

•CSCdm66420

Crashed happened on routing_svc, switching_svc, and bridging_svc HAWK testing after the configuration is done. It is in version 12.0(5.1)PI6.

The same problem is also seen on 12.0(19990715:065145) [BLD-v120_5_xk_throttle.990714 109] where is stack trace is the same.

•CSCdm67215

Regression of BVM (qsig) failed to pass the SETUP to the PBX (i.e., making an outgoing call). Apparently, some code changes for other boxes introduced the problem. A new field called bchan_reassigned is added to the isdn_bri structure. This structure is used to make calls to routines such as process_bri_call. For the MC3810, we have an api (ccsapi.c) to translate ccs api messages to isdn host messages, the person(s) who add this field forgot to initialize the field for this api, and thus contains garbage.

This is causing the "UKNOWN BCHANNEL" problem shown by the regression.

•CSCdm70244

Clocking configuration information may be over written if the hw work-around software is running while a clocking config change is made.

•CSCdm70913

Cannot configure more than one channel-group on E1.

•CSCdm72687

In FRF8, the IWF is setting the DE bit of the FR frame only if the last cell of a AAL5 pack has the CLP bit set. According to the FRF.8 spec, the DE bit should be set if any of the cells of a fragmented AAL5 packet has the CLP bit set.

•CSCdm72696

FRF.8 ATM PVCs cannot be removed if the corresponding FR VCs are not configured on the IWF.

Caveats for Release12.0(5)XK

This section describes possibly unexpected behavior by Release 12.0(5)XK. Unless otherwise noted, these caveats apply to all 12.0 releases up to and including 12.0(5)XK.

Basic System Services

•CSCdk33632

Under noisy line conditions, a giant packet followed by a runt packet on a serial line causes a Cisco 2600 router to crash or report spurious accesses.

•CSCdk72065

The correct buffer size should be determined before zeroing out the buffer.

•CSCdm07937

When a customer repeatedly executed the command write term, a GSR shut down due to environmental alarms. The env table, which is used to compare with measured readings, was corrupted.

•CSCdm11467

An NTP-related SegV Exception occurs in peer_list_sum.

When NTP private mode is used with control type messages for remote queries, a router can crash or issue traceback messages.

•CSCdm45305

On the Cisco MC3810, comfort-noise generation cannot be disabled.

Workaround: Disable VAD, as comfort noise is only applicable when VAD is engaged.

IBM Connectivity

•CSCdm11922

Environment: DLSW direct encapsulation serial link WAN with Ethernet LAN on one side and Token Ring LAN on the other.

Observed Problem: Connections are only established from the Token Ring side.

Workaround: Raise the MTU of the serial WAN to 1800 bytes or so.

Fix: The code will be altered to allow connections from Ethernet end stations even with the WAN MTU at 1500. Network administrators must make sure that no packets of 1500 bytes (pre-encapsulation) come in off the LAN. This sets up the possibility of hung sessions with oversized packets, but it allows well-configured networks to run without modification.

•CSCdm34552

A router crashed from a bus error at PC _lnm_add_entry, probably because it received a frame on its Token Ring interface that pertains to LNM and also has its RIF length greater than 7 hops.

Workaround: Try deactivating LNM REM with the no lnm rem command.

Interfaces and Bridging

•CSCdj54192

If an interface on a HSSI 1 port (PA-H or H1T+) card goes down/down and you see the following error message, that you may be experiencing this problem:

%MUSELIX-1-STOPFAIL: XXXX: Stop Failed at disable port (XXXX = the interface affected) %MUSELIX-1-STARTFAIL: XXXX: Start Failed at enable port MUESLIX-1-FAILURE_CAUSE: SerialX/X:

This problem is caused by several factors.

Once it falls into this state, execute the following (undocumented) test commands (<CR> is a carriage return):

term len 0<CR> sh cont h 1/0<CR> test tpu b<CR> 1/0<CR> g<CR> x<CR> y<CR> r<CR> s<CR> 3<CR> q<CR> test tpu b<CR> 1/1<CR> g<CR> x<CR> y<CR> r<CR> s<CR> 3<CR> q<CR> test len 24<CR>

An example of this process can be obtained by using Bug Navigator II.

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Note   You can reach Bug Navigator II on CCO at Service & Support: Online Technical Support: Software Bug Toolkit or at http://www.cisco.com/support/bugtools.

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•CSCdm46735

A PA-4R-DTR port may reset under the following circumstances:

•A high rate of traffic (200 pps or better) traversing the port

• The PA-4R-DTR port as the Active monitor of the physical ring

• An event on the ring forces the active monitor to purge the ring.

When this problem occurs, the PA-4R-DTR port resets, and the ring experiences a beacon.

Workaround: Make sure the DTR port is not the active monitor on the ring. Ensure that the MAC address of the DTR card is not the highest MAC address on the physical ring.

•CSCdm60960

With the following input-type-list, the router doesn't respond to an ARP request. Without the list or with the addition of a line for ARP packets, it works. You can still ping the interface IP address but not the HSRP address.

interface Ethernet0/0 ip address 13.13.13.1 255.255.255.0 standby 143 priority 110 preempt standby 143 ip 13.13.13.254 bridge-group 1 bridge-group 1 input-type-list 201 !

Workaround: Delete the input access lists on the bridge interface or permit the type 0x0806 in the access list.

IP Routing Protocols

•CSCdk08868

Symptom: Lock and Key idle timer is taking too long to timeout. The idle timeout, as configured by the autocommand access-enable command, is taking too long to time out. While the logging is on for access list hits, the time that it takes to idle out (with no access list hits) is up to two times the length configured.

Conditions: If the dynamic entry is created by the Lock and Key feature that requires the user Telneting into the router, then the idle timeout takes up to two times the length configured by using the autocommand access-enable host timeout minutes command.

Workaround: Suggest customers that are running 11.1 series of images with this problem to upgrade to 11.2.

Further problem description:

There are two fixes for this problem.

The first problem was that the router refreshes the last-hit timer against all the traffic coming into the interface instead of refreshing the timer only when the traffic matched the created dynamic access list.

The fix is to perform the checking of the source address of packets against the source address in the dynamic access list. If there is a match, then the last hit time stamp is refreshed.

The second problem is that when the last packet comes in really close to the creation time of the dynamic entry, the new delta time for the next expiration could be less than zero, due to the real timer event being processed later than the exact scheduled timeout. The timer routine figures out the next expiration time by using the total idle timer value minus the time elapsed since the last reference timestamp. But the timer routine is scheduled later than the expected expiration time due to other activities in the router.

last reference calculated expiration time (3 minutes) | (2 seconds) | v v 
|----------|----------|---------|----- ^ ^ | | +-- dynamic ACL is created +-- the 
timeout event get processed (3 minutes and 5 seconds)

The elapsed time (now timestamp minus last reference timestamp) is 3 minutes and 3 seconds (3 minutes 5 seconds minus 2 seconds), which is greater than 3 minutes as shown above. We should only extend the expiration time for one minute (due to the timer unit is 1 minute), but the old implementation extended a whole idle time (3 minutes) instead of 1 minute.

The fix for the second problem is to set the next expiration time of the idle timeout to be 1 minute from now.

Miscellaneous

•CSCdk03906

When running NAT and encryption, FTP fails, but Telnet and ping work. The TCP checksum is not calculated correctly. Removing NAT or encryption resolves the problem.

For performance reasons, decryption is not done until the packets are switched to the output interface. This caused the problem with IOS NAT, because NAT may need to do the payload translation for certain protocols. The affected protocols include FTP and NetBios, for example.

•CSCdk29115

When you configure Bisync (encapsulation bstun) with the ASCII character set (bsc char-set ascii) on the first port of a serial WIC (1T, 2T, or 2A/S) in WIC slot 0 of a Cisco 2600 series router, only the first character of each frame is received, and the BSTUN tunnel is not established. This only affects Bisync mode when it is configured with the ASCII character set. Other encapsulations are not affected, and use of the EBCDIC character set with Bisync works correctly.

For the first serial port in WIC slot 0, the parity detection is not configured correctly for Bisync in ASCII mode. The first character of each frame generates a parity error that causes the receiver to discard the frame after the first character received.

Workaround: Use a different serial port, either the second serial port (port 1) on a 2T or 2A/S WIC in WIC slot 0, or any serial port in WIC slot 1. If you have only one serial WIC, moving it from WIC slot 0 to WIC slot 1 fixes this problem.

•CSCdk34543

Encryption does not work properly with following hardware combination: 7500, VIP2-40, PA-2CE1 (or PA-CE1) when the channelized E1 interface is configured for Frame Relay.

The problem is related to distributed services, and only the channelized E1 PAs on the VIP2-40 are affected.

Workaround: Use VIP2-15 instead of VIP2-40.

•CSCdk46853

In Release 11.2P and 11.3, when Fast Ethernet subinterfaces are configured for encryption and the crypto map is only applied to the main interface with the IP address configured in the subinterface, the packets can be switched in the clear. In Release 12.0, enabling CEF can cause the packets to be dropped.

•CSCdk55110

When tunneling IPX over an IP tunnel, and when using an extended inbound access list for IP on the tunnel interface, the IPX traffic is blocked by the access list.

Workaround: Add a permit gre statement in the extended access list.

•CSCdk66567

If Token Ring is the endpoint of an encrypted tunnel, extra packets are generated.

Symptoms are a high CPU load (mainly taken by the crypto engine) and bogus addresses when you enable the debug tunnel command.

Workaround: Use the interface command tunnel sequence-datagrams on both endpoints of the tunnel.

•CSCdk79294

A PA-A3 ATM Enhanced Port Adapter may cause a VIP crash. Console messages like the following one appear:

%ATMPA-3-BADPARTICLE: ATM0/0: bad rx particle 0x605C7C80 index 282 -Traceback= 6015D550 60170C50 60171B78 600A8FB4

The show diag command for that VIP displays an address error (load or instruction fetch) exception.

•CSCdm30103

The Cisco 1700 Fast Ethernet interface receives input errors when small packets (less than 200 bytes) are received while the interface is receiving 500 packets per second and running fast switching.

•CSCdm31275

A Cisco AS5300 may crash when running very high traffic (60 pps on all 96 channels) with calls are being setup and torn down continuously.

•CSCdm39879

If VAD is enabled on VoFR/VoATM calls on a Cisco MC3810, there may be significant voice quality degradation.

Workaround: Disable VAD by placing a no vad statement in all VoFR or VoATM dial peers.

•CSCdm45085

If the IDB is not defined, IPSec crashes. There is no known workaround. See CSCdm52531 for a description.

•CSCdm55716

An ATM subinterface drops packets when distributed CEF is disabled

The problem only occurs on subinterfaces created after DCEF was on and then turned off.

Workaround: Enable and then disable DCEF after creating a new subinterface.

•CSCdm57609

PA-A2 may cause memory corruption if you are using SVCs with ARP server when you shut down the interface.

•CSCdm60622

SS-EVAL GWs running 12.0(5)T ignore or discard RAS messages that contain cleartokens other than settlement cleartokens. This can prevent the establishment of calls when interacting with vendor systems that include cleartokens where the OBject IDs in the nonStandarParameter fields are coded to be anything other than OSP cleartokens.

Novell IPX, XNS, and Apollo Domain

•CSCdm56600

Images without the IPX-EIGRP subsystem have high CPU load due to continually triggering an attempt to process EIGRP-specific service information when no information is present. There is no workaround.

Wide-Area Networking

•CSCdm12648

All platforms running MLP can encounter a transient error condition where no links are assigned to a multi-link bundle.

•CSCdm48047

A Cisco 4000 series router can crash when configuring LECS, LES/BUS, and LEC on the router. This crash occurs on 11.3(9)WA4(11.1). There is no workaround.

•CSCdm57650

In a multi-chassis MLP stack group where two stack group members cross project MLP link interfaces, one of the stack group member may crash. There is no workaround.

•CSCdm61038

It is not possible to change the status of channel 31 (the 32nd channel) in an ISDN E1.

Related Documentation

The following sections describe the documentation available for the Cisco 3600 series These documents consist of hardware and software installation guides, Cisco IOS configuration and command references, system error messages, feature modules, and other documents.

Documentation is available as printed manuals or electronic documents, except for feature modules, which are available online on CCO and the Documentation CD-ROM.

Use these release notes with these documents:

•Release-Specific Documents

•Platform-Specific Documents

•Feature Modules

•Cisco IOS Software Documentation Set

Release-Specific Documents

The following documents are specific to Cisco IOS Releases 12.0 T and 12.0, on which Release 12.0(5)XK is based and located on CCO and the Documentation CD-ROM:

•Cross-Platform Release Notes for Cisco IOS Release 12.0

•On CCO at:

Technical Documents: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS Release 12.0: Release Notes: Cross-Platform Release Notes

•On the Documentation CD-ROM:

Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.0: Release Notes: Cross-Platform Release Notes

•Product bulletins, field notices, and other release-specific documents on CCO:

Technical Documents

•Caveat documents

As a supplement to the caveats listed in the "Caveats" section in these release notes, see Caveats for Cisco IOS Release 12.0 T which contains caveats applicable to all platforms for all maintenance releases of Release 12.0 T.

•On CCO:

Technical Documents: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS Release 12.0: Caveats: Caveats for Cisco IOS Release 12.0 T

•On the Documentation CD-ROM:

Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS 12.0: Caveats: Caveats for Cisco IOS Release 12.0 T

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Note   If you have an account with CCO, you can use Bug Navigator II to find caveats of any severity for any release. You can reach Bug Navigator II on CCO at Software Center: Cisco IOS Software: Cisco Bug Toolkit: Cisco Bug Navigator II or at http://www.cisco.com/support/bugtools.

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Platform-Specific Documents

These documents are available for the Cisco 3600 Series on CCO and on the Documentation CD-ROM.

•Quick Start Guide Cisco 3600 Series Cabling and Setup

•Cisco 3600 Series Hardware Installation Guide

•Network Modules Hardware Installation Guide

•Update to Network Module Hardware and Software Guides

•Cisco WAN Interface Cards Hardware Installation Guide

•Update to WAN Interface Cards Hardware Installation Guide

•Software Configuration Guide For Cisco 3600 and Cisco 2600 Series Routers

•New and Changed Show Commands for the Cisco 3600 Series Routers

•Cisco 3600 Series Configuration Notes

•Analog Modem Firmware

•Analog modem firmware release notes and AT command set

•Cisco 3600 Series Cabling Specifications

•Cisco Modular Access Router Cable Specifications

On CCO:

Technical Documents: Documentation Home Page: Access Servers and Access Routers: Modular Access Routers: Cisco 3600 Series Routers

On the Documentation CD-ROM:

Cisco Product Documentation: Access Servers and Access Routers: Modular Access Routers: Cisco 3600 Series Routers

Feature Modules

Feature modules describe new features supported by Cisco IOS Release 12.0 T and 12.0(5)XK, and updates to the Cisco IOS documentation set. A feature module consists of a brief overview of the feature, benefits, configuration tasks, and a command reference. As updates, the feature modules are available online only. Feature module information is incorporated in the next printing of the Cisco IOS documentation set.

On CCO:

Technical Documents: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS Release 12.0: New Feature Documentation

On the Documentation CD-ROM:

Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.0: New Feature Documentation

Cisco IOS Software Documentation Set

The Cisco IOS software documentation set consists of the Cisco IOS configuration guides, Cisco IOS command references, and several other supporting documents which are shipped with your order in electronic form on the Documentation CD-ROM—unless you specifically ordered the printed versions.

Documentation Modules

Each module in the Cisco IOS documentation set consists of two books: a configuration guide and a corresponding command reference. Chapters in a configuration guide describe protocols, configuration tasks, Cisco IOS software functionality, and comprehensive configuration examples. Chapters in a command reference provide complete command syntax information. Each configuration guide can be used in conjunction with its corresponding command reference.

On CCO:

Technical Documents: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS Release 12.0: Configuration Guides and Command References

On the Documentation CD-ROM:

Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.0: Configuration Guides and Command References

Cisco IOS Release 12.0 Documentation Set

describes the contents of the Cisco IOS Release 12.0 software documentation set. The document set is available in electronic form and also in printed form upon request.

---

Note   You can find the most current Cisco IOS documentation on CCO and the Documentation CD-ROM. These electronic documents may contain updates and modifications made after the paper documents were printed.

---

On CCO:

Technical Documents: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS Release 12.0: Configuration Guides and Command References

On the Documentation CD-ROM:

Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.0: Configuration Guides and Command References.

Table 6 Cisco IOS Software Release 12.0 Documentation Set 

Books	Chapter Topics
· Configuration Fundamentals Configuration Guide · Configuration Fundamentals Command Reference	Configuration Fundamentals Overview Cisco IOS User Interfaces File Management System Management
· Bridging and IBM Networking Configuration Guide · Bridging and IBM Networking Command Reference	Transparent Bridging Source-Route Bridging Token Ring Inter-Switch Link Remote Source-Route Bridging DLSw+ STUN and BSTUN LLC2 and SDLC IBM Network Media Translation DSPU and SNA Service Point SNA Frame Relay Access Support APPN Cisco Database Connection NCIA Client/Server Topologies Cisco Mainframe Channel Connection Airline Product Set
· Dial Solutions Configuration Guide · Dial Solutions Command Reference	X.25 over ISDN Appletalk Remote Access Asynchronous Callback, DDR, PPP, SLIP Bandwidth Allocation Control Protocol ISDN Basic Rate Service ISDN Caller ID Callback PPP Callback for DDR Channelized E1 & T1 Dial Backup for Dialer Profiles Dial Backup Using Dialer Watch Dial Backup for Serial Lines Peer-to-Peer DDR with Dialer Profiles DialOut Dial-In Terminal Services Dial-on-Demand Routing (DDR) Dial Backup Dial-Out Modem Pooling Large-Scale Dial Solutions Cost-Control Solutions Virtual Private Dialup Networks Dial Business Solutions and Examples
· Cisco IOS Interface Configuration Guide · Cisco IOS Interface Command Reference	Interface Configuration Overview LAN Interfaces Logical Interfaces Serial Interfaces
· Network Protocols Configuration Guide, Part 1 · Network Protocols Command Reference, Part 1	IP Overview IP Addressing and Services IP Routing Protocols
· Network Protocols Configuration Guide, Part 2 · Network Protocols Command Reference, Part 2	AppleTalk Novell IPX
· Network Protocols Configuration Guide, Part 3 · Network Protocols Command Reference, Part 3	Network Protocols Overview Apollo Domain Banyan VINES DECnet ISO CLNS XNS
· Security Configuration Guide · Security Command Reference	AAA Security Services Security Server Protocols Traffic Filtering and Firewalls IP Security and Encryption Passwords and Privileges Neighbor Router Authentication IP Security Options
· Cisco IOS Switching Services Configuration Guide · Cisco IOS Switching Services Command Reference	Switching Services Switching Paths for IP Networks Virtual LAN (VLAN) Switching and Routing
· Wide-Area Networking Configuration Guide · Wide-Area Networking Command Reference	Wide-Area Network Overview ATM Frame Relay SMDS X.25 and LAPB
· Voice, Video, and Home Applications Configuration Guide •Voice, Video, and Home Applications Command Reference	Voice over IP Voice over Frame Relay Voice over ATM Voice over HDLC Frame Relay-ATM Internetworking Synchronized Clocks Video Support Universal Broadband Features
· Quality of Service Solutions Configuration Guide · Quality of Service Solutions Command Reference	Policy-Based Routing QoS Policy Propagation via BGP Committed Access Rate Weighted Fair Queueing Custom Queueing Priority Queueing Weighted Random Early Detection Scheduling Signaling RSVP Packet Drop Frame Relay Traffic Shaping Link Fragmentation RTP Header Compression
· Cisco IOS Software Command Summary · Dial Solutions Quick Configuration Guide · System Error Messages · Debug Command Reference

Service and Support

For service and support for a product purchased from a reseller, contact the reseller, who offers a wide variety of Cisco service and support programs described in "Service and Support" of Cisco Information Packet that shipped with your product.

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Note   If you purchased your product from a reseller, you can access CCO as a guest. CCO is Cisco Systems' primary real-time support channel. Your reseller offers programs that include direct access to CCO services.

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For service and support for a product purchased directly from Cisco, use CCO.

Software Configuration Tips on the Cisco TAC Home Page

If you have a CCO login account, you can access the following URL, which contains links and tips on configuring your Cisco products:

http://www.cisco.com/kobayashi/technotes/serv_tips.shtml

This URL is subject to change without notice. If it changes, point your Web browser to CCO and click on this path: Products & Technologies: Products: Technical Tips.

The following sections are provided from the Technical Tips page:

•Configuration Cookbooks—Cisco's Configuration Cookbooks contain common configuration examples that demonstrate how to configure various internetworking technologies on Cisco devices.

•Field Notices—Notifies you of any critical issues regarding Cisco products and includes problem descriptions, safety or security issues, and hardware defects.

•Frequently Asked Questions—Describes the most frequently asked technical questions about Cisco hardware and software.

•Hardware—Provides technical tips related to specific hardware platforms.

•Hot Tips—Describes popular tips and hints gathered from the Cisco Technical Assistance Center (TAC). Most of these documents are available from the TAC Fax-on-demand service. To reach Fax-on-demand and receive documents at your fax machine from the United States, call 888-50-CISCO (888-502-4726). From other areas, call 650-596-4408.

•Internetworking Features—Lists tips on using Cisco IOS software features and services.

•Sample Configurations—Provides actual configuration examples that are complete with topology and annotations.

•Software Products—Contains Cisco IOS Software Bulletins, Cisco TCP/IP Suite 100, General Cisco IOS, Internet/Intranet Applications and Software, Network Management, Network Protection Software Tips, and WAN Switching Products and Software.

•Special Collections—Lists other helpful documents, including Case Studies, References & Request for Comments (RFCs), and Security Advisories.

Cisco Connection Online

Cisco Connection Online (CCO) is Cisco Systems' primary, real-time support channel. Maintenance customers and partners can self-register on CCO to obtain additional information and services.

Available 24 hours a day, 7 days a week, CCO provides a wealth of standard and value-added services to Cisco's customers and business partners. CCO services include product information, product documentation, software updates, release notes, technical tips, the Bug Navigator, configuration notes, brochures, descriptions of service offerings, and download access to public and authorized files.

CCO serves a wide variety of users through two interfaces that are updated and enhanced simultaneously: a character-based version and a multimedia version that resides on the World Wide Web (WWW). The character-based CCO supports Zmodem, Kermit, Xmodem, FTP, and Internet e-mail, and it is excellent for quick access to information over lower bandwidths. The WWW version of CCO provides richly formatted documents with photographs, figures, graphics, and video, as well as hyperlinks to related information.

You can access CCO in the following ways:

•WWW:  http://www.cisco.com

•WWW:  http://www-europe.cisco.com

•WWW:  http://www-china.cisco.com

•Telnet:  cco.cisco.com

•Modem:  From North America, 408 526-8070; from Europe, 33 1 64 46 40 82. Use the following terminal settings: VT100 emulation; databits: 8; parity: none; stop bits: 1; and connection rates up to 28.8 kbps.

For a copy of CCO's Frequently Asked Questions (FAQ), contact cco-help@cisco.com. For additional information, contact cco-team@cisco.com.

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Note   If you are a network administrator and need personal technical assistance with a Cisco product that is under warranty or covered by a maintenance contract, contact Cisco's Technical Assistance Center (TAC) at 800 553-2447, 408 526-7209, or tac@cisco.com. To obtain general information about Cisco Systems, Cisco products, or upgrades, contact 800 553-6387, 408 526-7208, or cs-rep@cisco.com.

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Documentation CD-ROM

Cisco documentation and additional literature are available in a CD-ROM package, which ships with your product. The Documentation CD-ROM, a member of the Cisco Connection Family, is updated monthly. Therefore, it might be more current than printed documentation. To order additional copies of the Documentation CD-ROM, contact your local sales representative or call customer service. The CD-ROM package is available as a single package or as an annual subscription. You can also access Cisco documentation on the World Wide Web at http://www.cisco.com, http://www-china.cisco.com, or http://www-europe.cisco.com.

If you are reading Cisco product documentation on the World Wide Web, you can submit comments electronically. Click Feedback in the toolbar and select Documentation. After you complete the form, click Submit to send it to Cisco. We appreciate your comments.

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