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Newsletter
TAC Certified
Vol. 2, No. 9, Sept. 2000 Unmatched Online Technical Support http://www.cisco.com/tac
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In This Issue:
What's Hot
Password Recovery
IP Routing Protocols
LAN
Access
DSL
WAN Switches
ATM
IBM
Security
WAN Technology
Network Management Systems
Voice and Telephony
Core/High-End Routers
Cisco Customer Interactive Suite
Cisco Intelligent Contact Mgmt.
Optical Transport
Cisco IOS(R) Software
TAC Newsletter Archive
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Back to top

What's Hot

Top Issues:
Find Solutions to the Hottest IP Routing, WAN Switching, and ATM Issues Being Resolved at Cisco TAC Centers Worldwide

IP Routing, WAN Switching and ATM Top Issues are now available via the Cisco TAC Web site's "Top Issues" section. With this new resource, you will now be able to locate step-by-step solutions to the most common issues that Cisco TAC engineers troubleshoot daily.

These "Top Issues" support solutions are developed by Cisco TAC engineers to help you quickly find and resolve your IP Routing, WAN switching, and ATM networking challenges without the inconvenience of opening a TAC case.

The TAC Web site's "Top Issues" section features the following technology areas, including:

  • IP Routing Technologies - NEW!
  • ATM Technologies - NEW!
  • WAN Switching - NEW!
  • Password Recovery
  • Access Dial Technologies
  • DSL Technologies
  • LAN Technologies
  • ATM Technologies
  • Network Management Technologies
  • IBM Technologies
  • General Issues

To access this resource, visit the "Top Issues" section of the TAC Web site at:
http://www.cisco.com/tac


TAC Network Management Systems Product Pages:
Technical Support for Twenty Cisco Network Management Systems Products Available on the Cisco TAC Web Site

The Cisco TAC Web site's Network Management Systems (NMS) Product Pages now provide extensive NMS support information, including feature overviews, installation and configuration, software downloads and requirements, technical tips, and troubleshooting tools to help you maximize the performance of your Cisco NMS products.

Products supported under this NMS resource include:

  • CiscoView - NEW!
  • CiscoWorks for Windows - NEW!
  • AtmDirector - NEW!
  • VLAN Director - NEW!
  • ACL Manager - NEW!
  • User Tracking - NEW!
  • Cisco DSL Manager (CDM)
  • Cisco Virtual Central Office
  • Cisco Voice Manager (CVM)
  • Cisco WAN Manager (CWM)
  • Cisco Works 2000 - NETSYS
  • Traffic Director
  • Switchprobe
  • CiscoWorks Switched Internetworks
  • Campus Manager
  • Cisco Content Flow Monitor
  • CiscoWorks2000
  • Routed WAN Management Solution
  • Network Analysis Module
  • Cisco Resource Manager Essentials

To access the NMS support information, visit the Network Management Systems section of the TAC Product Pages:
http://www.cisco.com/tac/products


TAC Output Interpreter Tool:
Selected LAN Switching Commands Now Available Along With Updates to Existing Routing, Access, and ATM "Show" Commands

The Cisco TAC Output Interpreter tool troubleshoots router issues by instantly parsing "show" commands and analyzing in-depth router symptoms, delivering a customized report, and offering suggestions for resolution. Simply copy and paste the router "show" command into this robust tool to receive the analyses you need.

The Output Interpreter currently supports the following "show" commands:

  • LAN switching - NEW!
  • Routing - ENHANCED!
  • Access - ENHANCED!
  • ATM - ENHANCED!
  • Frame Relay
  • Voice

Check out the TAC Output Interpreter at:
http://www.cisco.com/support/OutputInterpreter
(available to registered users only)


TAC Troubleshooting Assistant Tool:
New ATM and Authentication Knowledgebases Use Step-by-step Analysis to Quickly Resolve Networking Problems

The Cisco TAC Troubleshooting Assistant tool ATM and Authentication knowledgebases have been completely updated by Cisco TAC engineers to accurately troubleshoot your most current networking problems. Both ATM and Authentication knowledgebases offer all new troubleshooting content in a step-by-step format. The Authentication knowledgebase also offers advanced search formats that cover both local and server-based authentication issues.

Because the Troubleshooting Assistant simulates the actual process that a TAC engineer uses when diagnosing a network problem, this tool is especially effective when you are troubleshooting an unfamiliar technology area. The Troubleshooting Assistant asks you questions about your technical issue and leads you to a solution.

The Access and LAN switching knowledgebases of the Troubleshooting Assistant have also recently been completely rewritten to bring you up-to-date troubleshooting information. Be on the lookout for new technology areas coming out shortly!

Check out the newly enhanced Troubleshooting Assistant tool at: http://www.cisco.com/support/tsa
(available to registered users only)


New Tool for IBM Technologies:
Cisco TAC Bitswapping Tool Performs Instantaneous Bit Swaps of MAC Addresses

The TAC Bitswapping Tool saves you valuable time when you need to convert MAC addresses from Ethernet to Token Ring. This easy-to-use tool performs instantaneous and automatic bit swapping of MAC addresses from Ethernet (canonical format) to Token Ring (non-canonical format). The tool also accepts a variety of address formats, so you can use the format that is most convenient for you.

Use the Bitswapping Tool to convert your MAC addresses. Visit the "Tools" section of the Cisco TAC Web site:
http://www.cisco.com/tac
(available to registered users only)


TAC IBM Technology Pages:
TAC Web Site's Token Ring Support Section Helps You Identify and Resolve Frequently Occurring Issues

Support for Token Ring Switching is now available via the Cisco TAC Web site's IBM Technology Pages. This new resource allows you to access the latest Token Ring documentation and troubleshooting tools, as well as other information you may need for everyday IBM technology support.

Some of the resources you will find include:

  • Token Ring Switching Concepts
  • Cisco Catalyst 5xxx and Catalyst 39xx FAQ
  • Catalyst 3900 Troubleshooting
  • Bitswapping Tool to swap MAC addresses from Ethernet to Token Ring

Check out the new Token Ring section of the TAC IBM Technology Pages at:
http://www.cisco.com/tac/technologies/ibm


TAC Access Product Pages:
Support Resources for Cisco AS5400 Universal Access Server Available on Cisco TAC Web Site

Detailed support information about the new Cisco AS5400 Access Server is now available on the TAC Web site's Access Product Pages. This information can be crucial if you need to understand systems hardware and software requirements, download software, perform setup, and/or troubleshoot your Cisco AS5400. Some of the documents currently available from the Access Product Pages include:

  • Commissioning Guide for the Cisco AS5400: Step-by-step setup instructions that have been lab-checked by Cisco TAC engineers
  • NextPort Port Service Management for the Cisco AS5400
  • Managing and Troubleshooting the NextPort Dial Feature Card
  • Troubleshooting the Cisco AS5400

Test drive this new Cisco AS5400 resource by visiting the "Access Products" section of the TAC Product Pages at:
http://www.cisco.com/tac/products/access


Online Community:
New Online Community Offers Ongoing Exchange Of Ideas Among Networking Professionals

The new Networking Professionals (NetPro) Web site gives you the opportunity to participate in an interactive forum to exchange ideas and best practices about networking products and solutions with your peers and Cisco's leading technical experts. The NetPro site currently features:

  • A VPN forum, offering the latest insights and trends for VPN technology
  • Message boards that allow interaction with other networking professionals
  • Links to "Ask the Expert" seminars and "TechTalk" Web casts
  • White papers, online tools, surveys, polls, and many more…

Here's your chance to discuss the latest developments in VPN, attend online technical seminars, and have your questions about specific topics answered in ongoing "Ask the Expert" events. New topics of discussion will be added in the near future. Stay posted!

Check out this new online forum today at:
http://www.cisco.com/go/netpro


Back to top

Password Recovery

Tech Tip:
Password Recovery Procedure for Local Director

This document describes the password recovery procedure for the Cisco Local Director.

http://www.cisco.com/kobayashi/technotes/pswdrec_localdir.html
(available to registered users)


Back to top

IP Routing Protocols Technology

Sample Configuration:
Sample Configuration for OSPF Authentication on a Virtual Link

This Sample Configuration shows how to enable plain text and Message Digest 5 (MD5) authentication on a virtual link in an OSPF network.

http://www.cisco.com/warp/customer/104/27.html
(available to registered users)

http://www.cisco.com/warp/public/104/27.html
(available to non-registered users)


Tech Tip:
OSPF Database Explanation Guide

The purpose of this guide is to examine the OSPF database in various network environments, giving sample configurations as examples.

http://www.cisco.com/warp/customer/104/ospfdbtoc.html
(available to registered users)

http://www.cisco.com/warp/public/104/ospfdbtoc.html
(available to non-registered users)


Tech Tip:
Using the BGP Conditional Advertisement Feature

This document explains the BGP conditional advertisement feature and gives an example of how you can use it.

http://www.cisco.com/warp/customer/459/34.html
(available to registered users)

http://www.cisco.com/warp/public/459/34.html
(available to non-registered users)


Tech Tip:
What Does the "#%BGP-3-INSUFCHUNKS Insufficient chunk pools for aspath" Error Message Mean?

If the AS path length is longer than 50 ASs, the router uses regular memory allocation and returns the "#%BGP-3-INSUFCHUNKS Insufficient chunk pools for aspath" error message every time it encounters this situation. This Tech Tip explains how to avoid this situation.

http://www.cisco.com/warp/customer/459/35.shtml
(available to registered users)

http://www.cisco.com/warp/public/459/35.shtml
(available to non-registered users)


Tech Tip:
Why is the ip ospf interface-retry 0 Configuration Command Added to All Interfaces?

If you're running OSPF and upgrading to Cisco IOS(R) Software release 12.0(8)S, you'll notice the ip ospf interface-retry 0 is automatically added to every interface. This document explains how to fix this problem.

http://www.cisco.com/warp/customer/104/28.shtml
(available to registered users)

http://www.cisco.com/warp/public/104/28.shtml
(available to non-registered users)


Back to top

LAN Products and Technologies

Field Notice:
Catalyst 8540 Switch Processor Issues Cell Stuck and Mislabeling

Switch processor (SP) cell stuck problems have been identified on the SPs of Catalyst(R) 8540 Campus Switch Routers (CSRs) and Multiservice Switch Routers (MSRs).

http://www.cisco.com/warp/customer/770/fn7731.html
(available to registered users)

http://www.cisco.com/warp/public/770/fn7731.html
(available to non-registered users)


Sample Configuration:
Sample Configuration ISL Trunk Between a Catalyst 2948G-L3 and a Catalyst 2900-XL

Creating an ISL trunk between a Catalyst 2948G-L3 and a Catalyst 2900-XL.

http://www.cisco.com/warp/customer/473/25.html
(available to registered users)

http://www.cisco.com/warp/public/473/25.html
(available to non-registered users)


Sample Configuration:
Catalyst 2948G-L3 Sample Configurations - Single VLAN, Multi-VLAN, and Multi-VLAN Distribution Layer Connecting to Network Core

This document provides three sample configurations for the Catalyst 2948G-L3; the configurations are a single-VLAN network, a multi-VLAN network, and a multi-VLAN distribution layer connection to a network core.

http://www.cisco.com/warp/customer/473/29.html
(available to registered users)

http://www.cisco.com/warp/public/473/29.html
(available to non-registered users)


Field Notice:
MEM-MSFC-128MB Ordered in June 2000 Potentially Shipped with 64MB DRAM

A small number of customers who ordered Catalyst 6000 MEM-MSFC-128MB= in June 2000 (128MB memory upgrades for the MSFC) received instead 64MB DRAM part MEM-MSFC-64MB=.

http://www.cisco.com/warp/customer/770/fn12865.html
(available to registered users)

http://www.cisco.com/warp/public/770/fn12865.html
(available to non-registered users)


Field Notice:
Configuration Loss on Catalyst 4000s Running 5.4(2) with HTTP Server Enabled

When enabling HTTP server on a Cisco Catalyst 4000, some of the configuration may be lost after the second reset performed to upgrade OS to 5.4(2).

http://www.cisco.com/warp/customer/770/fn12866.shtml
(available to registered users)

http://www.cisco.com/warp/public/770/fn12866.shtml
(available to non-registered users)


Field Notice:
Intermittent Boot Issue with Single Supervisor II and Certain Line

A minor hardware problem can occur during POST (Power On Self Test) on the supervisor if the configuration includes a *single* WS-X550x (Supervisor II) and any combination of WS-X5234-RJ45, WS-X5236-FX-MT, and WS-X5237-FX-MT line card modules. This problem is intermittent in nature, and can occur with all current software releases lower than 5.5(3) or 4.5(9).

http://www.cisco.com/warp/customer/770/fn12796.shtml
(available to registered users)

http://www.cisco.com/warp/public/770/fn12796.shtml
(available to non-registered users)


Tech Tip:
Trunking Between Catalyst 4000, 5000, and 6000 Family Switches Using 802.1q Encapsulation

This document introduces the concept of trunking between two Ethernet switches and focuses on the IEEE 802.1q trunking standard.

http://www.cisco.com/warp/customer/473/27.html
(available to registered users)

http://www.cisco.com/warp/public/473/27.html
(available to non-registered users)


Tech Tip:
Recovering Catalyst 4000 and Catalyst 5000 Switches from Corrupted or Missing Software

This document explains how to recover a Catalyst 4000 and 5000 switch when its software becomes corrupted.

http://www.cisco.com/warp/customer/473/26.html
(available to registered users)

http://www.cisco.com/warp/public/473/26.html
(available to non-registered users)


Tech Tip:
Configuration and Overview of the Router Module for the Catalyst 4000 Family (WS-X4232-L3)

This document describes the WS-X4232-L3 router module for the Catalyst 4000 family. In addition to describing the architecture and configuration of the WS-X4232-L3, we also provide a sample configuration using a Catalyst 4000 and its router module.

http://www.cisco.com/warp/customer/473/28.html
(available to registered users)

http://www.cisco.com/warp/public/473/28.html
(available to non-registered users)


Tech Tip:
Creating FDDI VLANs Using 802.10 Encapsulation Between Two Catalyst Switches

This is a sample configuration for trunking on a Catalyst 5000 family switch Fiber Distributed Data Interface (FDDI)/ Copper Distributed Data Interface (CDDI) module.

http://www.cisco.com/warp/customer/473/31.html
(available to registered users)

http://www.cisco.com/warp/public/473/31.html
(available to non-registered users)


Tech Tip:
Trunking Between a Catalyst 5000 and a Router over FDDI

This sample configuration shows how to configure a Fiber Distributed Data Interface (FDDI) trunk between a Catalyst 5000 and a router. In the following diagram, we want the PC in VLAN 20 to have access to the router R across a FDDI trunk between Catalyst 5000 and R.

http://www.cisco.com/warp/customer/473/32.html
(available to registered users)

http://www.cisco.com/warp/public/473/32.html
(available to non-registered users)


Tech Tip:
Windows Networking Design Implementation Guide

This design guide explains the basic concepts of Windows Networking and provides insight on how to design networks (LANs and WANs) to best utilize this operating system. The guide also explains protocols, naming, and scaling issues associated with Windows Networking.

http://www.cisco.com/warp/customer/473/winnt_dg.htm
(available to registered users)

http://www.cisco.com/warp/public/473/winnt_dg.htm
(available to non-registered users)


Back to top

Access Products and Technologies

Field Notice:
Inoperative AS5800 AC-Input Power Shelf Monitoring

The Cisco AS5800 does not properly receive or interpret status information from the AC-Input Power Shelf. As a result, power shelf faults, Over-temperature conditions, power failures and missing power module events will not be reported properly to the AS5800.

http://www.cisco.com/warp/customer/770/fn11992.html
(available to registered users)

http://www.cisco.com/warp/public/770/fn11992.html
(available to non-registered users)


Tech Tip:
Changing the IP Address on the Media Gateway Access Controller

This document describes instructions for changing the IP address on the Media Gateway Access Controller.

http://www.cisco.com/warp/customer/471/changeip.html
(available to registered users)

http://www.cisco.com/warp/public/471/changeip.html
(available to non-registered users)


Tech Tip:
Configuring the Basic Rate Interface (BRI) for ISDN in Germany

This tech note tells you how to configure the Basic Rate Interface (BRI) on a Cisco router for use with ISDN lines in Germany.

http://www.cisco.com/warp/customer/129/bri_isdn.html
(available to registered users)

http://www.cisco.com/warp/public/129/bri_isdn.html
(available to non-registered users)


Tech Tip:
Configuring ISDN for Australia

This document describes how to configure ISDN on a router for use in Australia using the dialer load-threshold command.

http://www.cisco.com/warp/customer/129/isdn_australia.html
(available to registered users)

http://www.cisco.com/warp/public/129/isdn_australia.html
(available to non-registered users)


Tech Tip:
Testing Async DDR into the San Jose Dial-in Lab

This document provides the steps to ensure that your router's async outbound dial-on-demand routing (DDR) is working correctly.

http://www.cisco.com/warp/customer/471/ddr_dialout_test.html
(available to registered users)

http://www.cisco.com/warp/public/471/ddr_dialout_test.html
(available to non-registered users)


Tech Tip:
Configuring Client Modems to Work with Cisco Access Servers

This document gives a modem troubleshooting and tuning overview with references to more in-depth information.

http://www.cisco.com/warp/customer/76/modem_tuning.html
(available to registered users)

http://www.cisco.com/warp/public/76/modem_tuning.html
(available to non-registered users)


Field Notice:
Fan Operation in Cisco 1720 and 1750 Routers

When Cisco 1720 and 1750 Routers come on, their fans may not turn on immediately.

http://www.cisco.com/warp/customer/770/fn11391.html
(available to non-registered users)

http://www.cisco.com/warp/public/770/fn11391.html
(available to non-registered users)


Sample Configuration:
Async Backup with Dialer Profiles

This document shows how to configure a backup connection with a routing protocol running on the async link.

http://www.cisco.com/warp/customer/793/access_dial/async_backup_dp.html
(available to registered users)

http://www.cisco.com/warp/public/793/access_dial/async_backup_dp.html
(available to non-registered users)


Sample Configuration:
PPP Authentication Using the ppp chap hostname and ppp authentication chap callin Commands

This sample configuration provides information on how to configure PPP authentication using the ppp chap hostname and ppp authentication chap callin commands.

http://www.cisco.com/warp/customer/131/ppp_callin_hostname.html
(available to registered users)

http://www.cisco.com/warp/public/131/ppp_callin_hostname.html
(available to non-registered users)


Back to top

DSL Products and Technologies

Sample Configuration:
Cisco 1417 Router With RFC1483 Bridging AAL5SNAP Encapsulation, IRB, DHCP Server, and NAT

This sample configuration shows a Cisco 1417 Router connected to a Cisco 6130 DSLAM and terminating on a Cisco 6400 UAC.

http://www.cisco.com/warp/customer/794/1417pppoa_1.html
(available to registered users)

http://www.cisco.com/warp/public/794/1417pppoa_1.html
(available to non-registered users)


Field Notice:
Trellis Coding Enable Default Recommendations

This document discusses the 4xDMT ADI-based line card, which suffers decreased link reliability when trellis coding is enabled because of problems with training and/or passing data. For some trains on some loops, the result iscontinuous errored seconds, as well as corrupted data in the upstream direction.

http://www.cisco.com/warp/customer/770/fn12834.shtml
(available to registered users)

http://www.cisco.com/warp/public/770/fn12834.shtml
(available to non-registered users)


Sample Configuration:
Two Cisco 827 Routers With RFC1483 Routing IP (encap aal5snap)

This sample configuration shows a Cisco 6400 Universal Access Concentrator (UAC) with two node route processors (NRPs) installed.

http://www.cisco.com/warp/customer/794/827rfc_6400_ip.html
(available to registered users)

http://www.cisco.com/warp/public/794/827rfc_6400_ip.html
(available to non-registered users)


Field Notice:
Cisco 6920 RateMUX Software Release 1.96 is Deferred

This is a Field Notice Regarding the Cisco 6920 RateMUX solution.

http://www.cisco.com/warp/customer/770/fn12845.html
(available to registered users)

http://www.cisco.com/warp/public/770/fn12845.html
(available to non-registered users)


Field Notice:
CLEI Code Mislabeled on Cisco 6260 DC PEM

This is a field notice regarding mislabeled CLEI code on Cisco 6260 DC PEM.

http://www.cisco.com/warp/customer/770/fn12581.html
(available to registered users)

http://www.cisco.com/warp/public/770/fn12581.html
(available to non-registered users)


Sample Configuration:
PPPoA Session Termination Using Static Routes xDSL to a Cisco 6400 UAC Using aal5ciscoppp

The sample configuration described in this document enables a PC connected to a Cisco 677 ADSL Router to connect via a Cisco 6130 ADSLAM to a single or to multiple Cisco UACs.

http://www.cisco.com/warp/customer/794/6400dsl_pppoa_stat.html
(available to registered users)

http://www.cisco.com/warp/public/794/6400dsl_pppoa_stat.html
(available to non-registered users)


Sample Configuration:
PPPoA Session Termination Using Static Routes xDSL to a Cisco 6400 UAC Using aal5mux

The sample configuration described in this document enables a PC connected to a Cisco 677 ADSL Router to connect via a Cisco 6130 ADSLAM to a single or to multiple Cisco UACs.

http://www.cisco.com/warp/customer/794/6400dsl_pppoa_stat_mux.html
(available to registered users)

http://www.cisco.com/warp/public/794/6400dsl_pppoa_stat_mux.html
(available to non-registered users)


Sample Configuration:
Sample Configuration Cisco 675 DSL CPE With PPP Routing, DHCP, NAT, and Terminating on a 6400 UAC (aal5mux ppp)

This document describes two sample configurations that show a Cisco 675 Router configured with NAT and as a DHCP server for its local Ethernet clients. In one configuration, the DSL interface has been configured with an IP address and connects to a Cisco 6400 UAC configured with aal5mux ppp. In the second configuration, the DSL interface is configured to accept an IP address from a pool of addresses configured on the Cisco 6400.

http://www.cisco.com/warp/customer/794/675cpe.html
(available to registered users)

http://www.cisco.com/warp/public/794/675cpe.html
(available to non-registered users)


Sample Configuration:
Sample Configuration Cisco 827 Router with Two PVCs Using PPPoA (aal5mux ppp)

This sample configuration shows a Cisco 827 Router configured with two PVCs and terminating on a Cisco 6400 UAC. The UAC has a single NRP installed. Both PVCs use an interface dialer and have been configured using the aal5mux ppp command.

http://www.cisco.com/warp/customer/794/827pppoa_2pvc.html
(available to registered users)

http://www.cisco.com/warp/public/794/827pppoa_2pvc.html
(available to non-registered users)


Sample Configuration:
Sample Configuration Cisco 1417 Router With PPPoA and a Virtual Template (aal5mux ppp)

This sample configuration shows a Cisco 1417 Router configured with aal5mux ppp encapsulation using a virtual template. The Cisco 1417 terminates on a 6400 UAC virtual template.

http://www.cisco.com/warp/customer/794/1417pppoa_3.html
(available to registered users)

http://www.cisco.com/warp/public/794/1417pppoa_3.html
(available to non-registered users)


Sample Configuration:
Sample Configuration Cisco 827 Router Terminating on a Cisco 6400 UAC Using PPPoE

This sample configuration shows you how to support a PPPoE client when it is connected to the Ethernet interface of a Cisco 827 Router.

http://www.cisco.com/warp/customer/794/827pppoe_1.html
(available to registered users)

http://www.cisco.com/warp/public/794/827pppoe_1.html
(available to non-registered users)


Sample Configuration:
Sample Configuration Cisco 827 Router Terminating on a Cisco 6400 UAC Using PPPoE

This sample configuration shows you how to support a PPPoE client when it is connected to the Ethernet interface of a Cisco 827 DSL Router.

http://www.cisco.com/warp/customer/794/827pppoe_2.html
(available to registered users)

http://www.cisco.com/warp/public/794/827pppoe_2.html
(available to non-registered users)


Sample Configuration:
Configuring a Cisco 827 Router With IRB and NAT Using RFC1483 Bridging

This sample configuration shows a Cisco 827 Router that is connected to a Cisco 6130 DSLAM, terminating on a Cisco 6400 UAC. The Cisco 827, configured with RFC1483 Bridging and IRB, runs NAT.

http://www.cisco.com/warp/customer/794/827rfc_irb_nat_1.html
(available to registered users)

http://www.cisco.com/warp/public/794/827rfc_irb_nat_1.html
(available to non-registered users)


Sample Configuration:
Configuring a Cisco 6400 ATM Interface With RBE

This sample configuration shows a Cisco 827 DSL Router that is connected to a Cisco 6130 DSLAM, terminating on a Cisco 6400 UAC. The Cisco 827, configured with RFC1483 Bridging and IRB, runs NAT.

http://www.cisco.com/warp/customer/794/827rfc_irb_nat_2.html
(available to registered users)

http://www.cisco.com/warp/public/794/827rfc_irb_nat_2.html
(available to non-registered users)


Sample Configuration:
Cisco 827 Router With AAL5MUX IP Routing, Multiple PVCs, and Terminating on a Cisco 6400 UAC-NRP

This sample configuration shows a Cisco 827 DSL Router that has been configured with AAL5MUX encapsulation and supports multiple PVCs. The Cisco 827 is connected to a Cisco 6130 DSLAM and terminates at a Cisco 6400 UAC-NRP.

http://www.cisco.com/warp/customer/794/827pvc_encap_6400.html
(available to registered users)

http://www.cisco.com/warp/public/794/827pvc_encap_6400.html
(available to non-registered users)


Sample Configuration:
Configuring a Cisco 1417 Router With PPPoA (aal5mux ppp)

This sample configuration shows a Cisco 1417 DSL Router configured with an interface dialer and terminating on a Cisco 6400 UAC configured with a virtual template.

http://www.cisco.com/warp/customer/794/1417pppoa_1.html
(available to registered users)

http://www.cisco.com/warp/public/794/1417pppoa_1.html
(available to non-registered users)


Sample Configuration:
Configuring a Cisco 1417 Router With AAL5MUX IP Encapsulation

This sample configuration shows a Cisco 1417 DSL Router configured with AAL5MUX IP encapsulation.

http://www.cisco.com/warp/customer/794/1417encap_1.html
(available to registered users)

http://www.cisco.com/warp/public/794/1417encap_1.html
(available to non-registered users)


Sample Configuration:
Cisco 1417 Router with RFC1483 Bridging (aal5snap)

This sample configuration shows a Cisco 1417 Router configured with RFC1483 Bridging and connected to a Cisco 6130 (DSLAM).

http://www.cisco.com/warp/customer/794/1417rfc_3.html
(available to registered users)

http://www.cisco.com/warp/public/794/1417rfc_3.html
(available to non-registered users)


Sample Configuration:
Cisco 827 Router With RFC1483 Routing, IP, and AAL5SNAP Encapsulation

This sample configuration shows a Cisco 827 Router configured with AAL5SNAP routing and terminating on a Cisco 6400 UAC.

http://www.cisco.com/warp/customer/794/827rfc_1.html
(available to registered users)

http://www.cisco.com/warp/public/794/827rfc_1.html
(available to non-registered users)


Sample Configuration:
Cisco 827 Router With RFC1483 Routing Using AAL5SNAP Protocol IP

This sample configuration shows a Cisco 827 digital subscriber line (DSL) Router that has been configured with AAL5SNAP and routes IP to a Cisco 6400 Universal Access Concentrator (UAC).

Note: These links has been moved since the newsletter was published. The following links will take you to the root directory of where the article can be found.

http://www.cisco.com/warp/customer/471
(available to registered users)

http://www.cisco.com/warp/public/471
(available to non-registered users)


Sample Configuration:
Configuring a Cisco 6400 NSP to Support Two Cisco 6400 NRPs

This sample configuration shows a Cisco 640 UAC with two node route processors installed.

http://www.cisco.com/warp/customer/794/6400nsp.html
(available to registered users)

http://www.cisco.com/warp/public/794/6400nsp.html
(available to non-registered users)


Sample Configuration:
Cisco 6400 NRP Using Point-to-Point and Multipoint Interfaces with PPPoA (aal5mux ppp)

This sample configuration shows a Cisco 6400 UAC with an NRP adapter. Examples of point-to-point and multipoint NRP configurations are provided.

http://www.cisco.com/warp/customer/794/827_6400_uac_nrp_2.html
(available to registered users)

http://www.cisco.com/warp/public/794/827_6400_uac_nrp_2.html
(available to non-registered users)


Sample Configuration:
Two Cisco 827 Routers with PPPoA Terminating on a 6400 UAC-NRP (aal5mux ppp)

This sample configuration shows two Cisco 827 Routers configured with PPPoA (aal5mux ppp) terminating on a Cisco 6400 UAC with an NRP adapter.

http://www.cisco.com/warp/customer/794/827_6400_uac_nrp_1.html
(available to registered users)

http://www.cisco.com/warp/public/794/827_6400_uac_nrp_1.html
(available to non-registered users)


Sample Configuration:
Sample Configurations for Cisco 7200 Broadband Aggregation

The purpose of this document is to provide a general understanding of DSL components and how they fit together in a basic DSL implementation.

http://www.cisco.com/warp/customer/794/7200_bdaggreg.html
(available to registered users)

http://www.cisco.com/warp/public/794/7200_bdaggreg.html
(available to non-registered users)


Tech Tip:
Compatibility of Components in Cisco DSL Equipment

This document is intended to clarify how Cisco DSL equipment is used and to describe the compatibility of components used in Cisco DSL equipment.

http://www.cisco.com/warp/customer/794/dsl_compatibility.html
(available to registered users)

http://www.cisco.com/warp/public/794/dsl_compatibility.html
(available to non-registered users)


Tech Tip:
Cisco 6260 DSLAM Frequently Asked Questions

This document lists frequently asked questions about the Cisco 6260 DSLAM.

http://www.cisco.com/warp/customer/794/6260faq_1.html
(available to registered users)

http://www.cisco.com/warp/public/794/6260faq_1.html
(available to non-registered users)


Tech Tip:
Cisco 7200 in Broadband Aggregation Frequently Asked Questions

This document lists frequently asked questions about the Cisco 7200 in broadband aggregation.

http://www.cisco.com/warp/customer/794/7200faq.html
(available to registered users)

http://www.cisco.com/warp/public/794/7200faq.html
(available to non-registered users)


Field Notice:
Cisco 827 May Require ADSL Crossover Cable

The Cisco 827 Router and the Cisco 827-4V Router ship with an ADSL straight-through cable. Depending on how their ADSL cable was provisioned, some customers may need an ADSL crossover cable.

http://www.cisco.com/warp/customer/770/fn12857.html
(available to registered users)

http://www.cisco.com/warp/public/770/fn12857.html
(available to non-registered users)


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WAN Switch Products

Field Notice:
MGX™ 8850 Potential PXM1 Loss of Database Synchronization

Each clrsmcnf command issued on a CESM or FRSM causes a change in the database state on the active PXM1 card. From that point onward, database changes from the active card are not written to the standby and data for connections and interfaces can be compromised when a subsequent switchcc command is executed.

http://www.cisco.com/warp/customer/770/fn12863.html
(available to registered users)

http://www.cisco.com/warp/public/770/fn12863.html
(available to non-registered users)


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ATM Technologies

Sample Configuration:
Sample Configuration RSVP-ATM QoS Interworking

This document provides a sample configuration for the Resource Reservation Protocol (RSVP)-ATM Quality of Service interworking feature. This feature enables you to establish SVCs across an ATM cloud in response to RSVP messages.

http://www.cisco.com/warp/customer/121/rsvp-atm-qos.html
(available to registered users)

http://www.cisco.com/warp/public/121/rsvp-atm-qos.html
(available to non-registered users)


Sample Configuration:
Low Latency Queueing

This sample configuration illustrates the Low Latency Queueing feature.

http://www.cisco.com/warp/customer/121/latencyqueueing.html
(available to registered users)

http://www.cisco.com/warp/public/121/latencyqueueing.html
(available to non-registered users)


Tech Tip:
Understanding VP Tunnels and VP Switching

This document discusses some important concepts regarding VP tunnels and switching; it also contains links to related sample configurations and other reference documents. This document focuses on the LightStream(R)1010, Catalyst(R) 8510-MSR,and Catalyst 8540-MSR enterprise ATM switches.

http://www.cisco.com/warp/customer/121/vp.html
(available to registered users)

http://www.cisco.com/warp/public/121/vp.html
(available to non-registered users)


Tech Tip:
Troubleshooting VP Tunnels

This document describes some troubleshooting tips to some common problems with VP tunnels.

http://www.cisco.com/warp/customer/121/vptroubleshoot.html
(available to registered users)

http://www.cisco.com/warp/public/121/vptroubleshoot.html
(available to non-registered users)


Tech Tip:
LANE Design Recommendations

This document provides practical LANE network design guidelines to assist customers in designing scalable, high performance, and high availability LANE networks.

http://www.cisco.com/warp/customer/121/LANEdesign.html
(available to registered users)

http://www.cisco.com/warp/public/121/LANEdesign.html
(available to non-registered users)


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IBM Technologies

Tech Tip:
Token Ring Switching Concepts

This document explains the different bridging concepts and how ISL trunking, Spanning-Tree, VTP, and DRiP work. Some of the issues with running HSRP over Token Ring VLANS and the workarounds are also explained.

http://www.cisco.com/warp/customer/482/trsw-univ01.htm
(available to registered users)

http://www.cisco.com/warp/public/482/trsw-univ01.htm
(available to non-registered users)


Tech Tip:
Catalyst 5000 and Catalyst 3900 Frequently Asked Questions

This document provides information in the form of an FAQ for the Catalyst 3900 and 5000 family. It contains troubleshooting information, new features with latest software revisions and some design and connectivity guidelines.

http://www.cisco.com/warp/customer/482/Catalyst_faq.html
(available to registered users)

http://www.cisco.com/warp/public/482/Catalyst_faq.html
(available to non-registered users)


Tech Tip:
Catalyst 3900 Troubleshooting

This document describes how to use the Cisco Catalyst 3900 Statistics screens to help troubleshoot various switching scenarios. It presents some of the most common problems faced with the Catalyst 3900 switch and how the Statistics screens can be used to identify them.

http://www.cisco.com/warp/customer/482/cat3900_ts.html
(available to registered users)

http://www.cisco.com/warp/public/482/cat3900_ts.html
(available to non-registered users)


Tech Tip:
DLSw+ FID4 LLC2-to-SDLC Conversion for PU4/5 Devices

The SDLC to LLC2 conversion for FID4 frames is a DLSw+ feature available in Cisco IOS(R) Software Release 11.3T and later releases. It allows communication in the following scenarios:

  1. SDLC-attached FEP to LAN-attached FEP across an IP cloud using DLSw+
  2. SDLC-attached FEP to a Cisco CIP (Channel Interface Processor) Mainframe attached router across an IP cloud using DLSw+
  3. SDLC-attached FEP to LAN-attached FEP, when both FEPs are attached to the same Cisco router (DLSw+ Local Switching)
  4. SDLC-attached FEP to CIP, when both devices (ie., CIP and FEP) are attached to the same Cisco router (DLSw+ Local Switching)

http://www.cisco.com/warp/customer/697/fep.html
(available to registered users)

http://www.cisco.com/warp/public/697/fep.html
(available to non-registered users)


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Security Products and Technologies

Tech Tip:
Which VPN Solution is Right for You?

With advances in technology comes an Increasing variety of options for implementing VPN solutions. This tech note explains some of these options and describes where they might best be used.

http://www.cisco.com/warp/customer/707/which_vpn.html
(available to registered users)

http://www.cisco.com/warp/public/707/which_vpn.html
(available to non-registered users)


Tech Tip:
Renegotiating LAN-to-LAN Configurations Between Cisco VPN 3000 Concentrators and Cisco IOS or PIX Devices

This document describes how renegotiations of a security association can begin when a Cisco VPN 3000 Concentrator and a Cisco IOS(R) Software or PIX™ device are in a LAN-to-LAN configuration.

http://www.cisco.com/warp/customer/471/renegotiate.html
(available to registered users)

http://www.cisco.com/warp/public/471/renegotiate.html
(available to non-registered users)


Tech Tip:
Using RADIUS Servers with VPN 3000 Products

This document describes issues we have encountered when using various RADIUS servers with the VPN 3000 Concentrator and the VPN 3000 Client.

http://www.cisco.com/warp/customer/471/radius_tips.html
(available to registered users)

http://www.cisco.com/warp/public/471/radius_tips.html
(available to non-registered users)


Tech Tip:
Cisco/ Altiga Vendor Specific Attributes Revision 22 User and Group Attributes

This document lists user and group attributes for the Cisco VPN 3000 Concentrator.

http://www.cisco.com/warp/customer/471/VSAs_rev22.html
(available to registered users)

http://www.cisco.com/warp/public/471/VSAs_rev22.html
(available to non-registered users)


Field Notice:
Deferral Notice VPN3000 2.5 & 2.5.1 Software /s05498 RE CSCds05498

A bug was introduced in Release 2.5 that could cause the concentrator to crash while doing routing table updates. This problem has been seen only on customer nets that have a lot of routing update activity.

http://www.cisco.com/warp/customer/770/fn12892.shtml
(available to registered users)

http://www.cisco.com/warp/public/770/fn12892.shtml
(available to non-registered users)


Tech Tip:
What is VRRP?

This document explains Virtual Router Redundancy Protocol (VRRP) and its implementation on the Cisco VPN 3000 Concentrator.

http://www.cisco.com/warp/customer/471/vrrp.html
(available to registered users)

http://www.cisco.com/warp/public/471/vrrp.html
(available to non-registered users)


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WAN Technologies

Sample Configuration:
Frame Relay Frequently Asked Questions

Frequently asked questions about Frame Relay.

http://www.cisco.com/warp/customer/116/fr_faq.html
(available to registered users)

http://www.cisco.com/warp/public/116/fr_faq.html
(available to non-registered users)


Sample Configuration:
X.25 to TCP Translation

This document provides a sample configuration illustrating X.25 to Transmission Control Protocol (TCP) translation.

http://www.cisco.com/warp/customer/133/x25_tcptrans.html
(available to registered users)

http://www.cisco.com/warp/public/133/x25_tcptrans.html
(available to non-registered users)


Tech Tip:
Sample Configuration X.25 on the D Channel

This document provides a sample configuration of X.25 on the D channel.

http://www.cisco.com/warp/customer/133/x25_over_isdn.html
(available to registered users)

http://www.cisco.com/warp/public/133/x25_over_isdn.html
(available to non-registered users)


Tech Tip:
Manually Configuring an SRP Ring on the RingStar 8000 and Modifying Existing SRP Configurations

This document provides instructions on manually configuring a spatial reuse protocol (SRP) ring on the RingStar 8000 and modifying existing SRP configurations.

http://www.cisco.com/warp/customer/115/srp_ringstar8000.html
(available to registered users)

http://www.cisco.com/warp/public/115/srp_ringstar8000.html
(available to non-registered users)


Field Notice:
Some MultiChannel T1/E1 Port Adapters on VIP4 Processors May Not Be Recognized

Some MultiChannel port adapters installed on VIP4-50 or VIP4-80 interface processors may not power up or be recognized by the system.

http://www.cisco.com/warp/customer/770/
(available to registered users)

http://www.cisco.com/warp/public/770/
(available to non-registered users)


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Network Management Systems Products and Technologies

Tech Tip:
Understanding Simple Network Management Protocol (SNMP) Traps

This document was written to give the reader a basic theoretical understanding of SNMP traps. The purpose is to show how SNMP traps are used and the role they play in the management of a data network.

http://www.cisco.com/warp/customer/477/SNMP/snmp_trap.html
(available to registered users)

http://www.cisco.com/warp/public/477/SNMP/snmp_trap.html
(available to non-registered users)


Tech Tip:
Explanation and FAQ for RME Syslog Analyzer

Syslog Analysis lets you centrally log and track system error messages, exceptions, and other information (such as device configuration changes).

http://www.cisco.com/warp/customer/477/RME/rme_syslog.html
(available to registered users)

http://www.cisco.com/warp/public/477/RME/rme_syslog.html
(available to non-registered users)


Tech Tip:
Common Questions about CWSI/Campus Manager Network Topology Map Discovery

This document explains some common questions you may have while working with the CiscoWorks for Switched Internetworks (CWSI) application. As CWSI keeps evolving from CWSI to CWSI Campus to Campus Manager, the network topology map discovery mechanism stays similar and the common questions discussed in this document are still very common to see.

http://www.cisco.com/warp/customer/477/Campus/com_cwsi_4_top10.html
(available to registered users)

http://www.cisco.com/warp/public/477/Campus/com_cwsi_4_top10.html
(available to non-registered users)


Tech Tip:
Software Image Management(SWIM) Frequently Asked Questions

Software Image Management(SWIM) is an application in Resource Manager Essentials that helps network administrators manage and upgrade software images on Cisco devices. This document contains most Frequently Asked Questions and corresponding answers a network administrator or network engineer may run into while using SWIM. All the following FAQs are for SWIM on RME 3.1.

http://www.cisco.com/warp/customer/477/RME/swim_faq.html
(available to registered users)

http://www.cisco.com/warp/public/477/RME/swim_faq.html
(available to non-registered users)


Tech Tip:
Simple Network Management Protocol (SNMP) FAQ

The purpose of this FAQ is to provide answers to commonly asked questions as well as to guide users to find helpful resources on SNMP and SNMP issues as they relate to Cisco Equipment.

http://www.cisco.com/warp/customer/477/SNMP/snmp_faq.html
(available to registered users)

http://www.cisco.com/warp/public/477/SNMP/snmp_faq.html
(available to non-registered users)


Tech Tip:
Understanding Simple Network Management Protocol (SNMP) Traps

This document was written to give the reader a basic theoretical understanding of SNMP traps. The purpose is to show how SNMP traps are used and the role they play in the management of a data network.

http://www.cisco.com/warp/customer/477/SNMP/snmp_trap.html
(available to registered users)

http://www.cisco.com/warp/public/477/SNMP/snmp_trap.html
(available to non-registered users)


Tech Tip:
Why are max_captsize and min_pktsize no Longer Available in Switch Probe Version 4.7?

This document explains what happened to the two missing cli objects in Switch Probe version 4.7 max_captsize and min_pktsize.

http://www.cisco.com/warp/customer/477/SP/sp47cli_missing.html
(available to registered users)

http://www.cisco.com/warp/public/477/SP/sp47cli_missing.html
(available to non-registered users)


Tech Tip:
Configuring Cisco Network Registrar with Discontiguous Subnets on the Same Cable Interface

Having discontiguous network address spaces can cause some complexities for cable networks. This article tries to offer a solution to the challenge of running a network with these multiple network addresses.

http://www.cisco.com/warp/customer/787/cnr_provisioning.html
(available to registered users)

http://www.cisco.com/warp/public/787/cnr_provisioning.html
(available to non-registered users)


Back to top

Voice and Telephony Products and Technologies

Tech Tip:
Cisco CallManager 3.0 Installation Note Software-based MTP and Conference Bridge

This document describes why Media Termination Point (MTP) and Conference Bridge applications appear as being in an "Unspecified Error" state after users install Cisco CallManager 3.0. This document also describes how to fix this issue.

http://www.cisco.com/warp/customer/788/mtp_conf_br.html
(available to registered users)

http://www.cisco.com/warp/public/788/mtp_conf_br.html
(available to non-registered users)


Tech Tip:
Message Subscriber's Voicemail Box Shut off

This document describes what to do when you hear a verbal message (while trying to leave a message on a user's mailbox) stating that the user's mailbox has been shut down.

http://www.cisco.com/warp/customer/788/AVVID/voice_box_shut.html
(available to registered users)

http://www.cisco.com/warp/public/788/AVVID/voice_box_shut.html
(available to non-registered users)


Tech Tip:
Error Code while Starting Netscape Messaging Server through Services Panel

This document describes three problems (and their solutions) that occur when the Cisco uOne Netscape Messaging Server is started through the Services panel.

http://www.cisco.com/warp/customer/788/AVVID/err_net_mess_ser.html
(available to registered users)

http://www.cisco.com/warp/public/788/AVVID/err_net_mess_ser.html
(available to non-registered users)


Tech Tip:
Bulk Administration Tool Release 3.0(2) Installation Instructions

This document provides installation instructions, known problems, and restrictions for the Bulk Administration Tool, Release 3.0(2).

http://www.cisco.com/warp/customer/788/bat302_install.pdf
(available to registered users)

http://www.cisco.com/warp/public/788/bat302_install.pdf
(available to non-registered sers)


Field Notice:
Field Notice VCO - Deleting One ICC Span Causes Voice Path Problems

After you delete an Interface Controller Card (ICC) span from a database, the deleted span continues to transmit on the timeslots originally assigned to it.

http://www.cisco.com/warp/customer/770/fn7291.shtml
(available to registered users)

http://www.cisco.com/warp/public/770/fn7291.shtml
(available to non-registered users)


Tech Tip:
VCO/4K, VCO/20 Procedures for Swapping STORAGE/CONTROL I/O Modules

This document shows you how to swap out storage and control I/O modules for the VCO/4K and VCO/20 open-programmable time division multiplexing switches. More specifically, how to do so in a non-production as well as in a production environment. This document also highlights precautionary measures, reference documents, tools needed, and special considerations.

http://www.cisco.com/warp/customer/788/VoX/i_o_mod_swap.html
(available to registered users)

http://www.cisco.com/warp/public/788/VoX/i_o_mod_swap.html
(available to non-registered users)


Sample Configuration:
Nortel PBX Option 11 E&M Trunk Card Configuration Example

This sample configuration will show you how to configure the Nortel PBX Option 11 E&M Trunk Card. This configuration will allow you to connect this card to a Cisco E&M voice port.

http://www.cisco.com/warp/customer/788/VoX/pbx_samp_cfg.html
(available to registered users)

http://www.cisco.com/warp/public/788/VoX/pbx_samp_cfg.html
(available to non-registered users)


Tech Tip:
E&M Cable Pinouts to Connect Cisco 1750/2600/3600 E&M VIC to Nortel PBX Option 11 E&M Trunk

The following are the E&M Cable Pinouts to connect a Cisco 1750/2600/3600 E&M Voice Interface Card (VIC) to a Nortel PBX Option 11 E&M Trunk.

http://www.cisco.com/warp/customer/788/VoX/e_m_cab_pin.html
(available to registered users)

http://www.cisco.com/warp/public/788/VoX/e_m_cab_pin.html
(available to non-registered users)


Tech Tip:
Cisco IP Telephony Troubleshooting Guide for Cisco CallManager Release 3.0(1)

This troubleshooting guide describes the tools and utilities used to configure, monitor, and troubleshoot Cisco CallManager Release 3.0(1), Cisco IOS(R) gateways and gatekeeper. This document provides detailed examples of three different call flows, and case studies are provided to further explain concepts.

http://www.cisco.com/warp/customer/788/AVVID/ts_ccm_301_sec1.htm
(available to registered users)

http://www.cisco.com/warp/public/788/AVVID/ts_ccm_301_sec1.htm
(available to non-registered users)


Tech Tip:
E&M Cable Pinouts Connecting Cisco 1750/2600/3600 E&M VIC to Lucent PBX G3R E&M Trunk

This document shows the E&M Cable Pinouts connecting a Cisco 1750/2600/3600 E&M voice interface card (VIC) to a Lucent PBX G3R E&M Trunk.

http://www.cisco.com/warp/customer/788/VoX/e_m_cab_pin_luc.html
(available to registered users)

http://www.cisco.com/warp/public/788/VoX/e_m_cab_pin_luc.html
(available to non-registered users)


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Core/High-End Routers

Tech Tip:
The show processes cpu Command Processes

This Tech Tip describes the main processes at work in a "show processes cpu" command.

http://www.cisco.com/warp/customer/63/showproc_cpu.html
(available to registered users)

http://www.cisco.com/warp/public/63/showproc_cpu.html
(available to non-registered users)


Tech Tip:
Spurious Accesses and Alignment Errors

This document describes two types of errors, spurious accesses and alignment errors, which may be encountered on devices running Cisco IOS(R) Software.

http://www.cisco.com/warp/customer/63/spuraccess.html
(available to registered users)

http://www.cisco.com/warp/public/63/spuraccess.html
(available to non-registered users)


Tech Tip:
Cisco IOS Software Upgrade Procedure for Cisco 800 Series Routers

This document takes you through a step-by-step procedure for upgrading Cisco IOS Software for Cisco 800 Series routers.

http://www.cisco.com/warp/customer/63/IOSupgrade_800.shtml
(available to registered users)

http://www.cisco.com/warp/public/63/IOSupgrade_800.shtml
(available to non-registered users)


Field Notice:
Overheating Cisco 12012 Slot 0 and Slot 11

When newer, higher-performance line cards are installed in slot 0 of the Cisco 12012 chassis, an over-temperature alarm may occur when the ambient (room) temperature exceeds a certain threshold. This field notice information and solutions for this problem.

http://www.cisco.com/warp/customer/770/fn12871.html
(available to registered users)

http://www.cisco.com/warp/public/770/fn12871.html
(available to non-registered users)


Field Notice:
OSPF/MPLS/CEF Software Defect on Cisco 7500 RSPs

The OSPF updates may be corrupted in the Cisco 7500 Series router configured with OSPF, MPLS and CEF. IP routes are temporarily deleted from the IP routing table and a loss of connectivity may occur.

http://www.cisco.com/warp/customer/770/fn12881.shtml
(available to registered users)

http://www.cisco.com/warp/public/770/fn12881.shtml
(available to non-registered users)


Field Notice:
Cisco 12000 Power Supply Isolation Diode Short (Safety Hazard)

In a Cisco 12000 chassis using redundant DC PEMs, one of which has a bad isolation diode, it is possible for a safety hazard to exist under certain conditions.

http://www.cisco.com/warp/customer/770/fn12830.html
(available to registered users)

http://www.cisco.com/warp/public/770/fn12830.html
(available to non-registered users)


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Cisco Customer Interactive Suite

Tech Tip:
How to use MPTrace Utility on Nortel Meridian Peripheral Gateways

This document outlines how to run the mptrace utility included on Meridian Peripheral Gateways (PGs). This tool is designed to give a playback from the automatic call distribution (ACD) to troubleshoot potential issues.

http://www.cisco.com/warp/customer/640/mptrace_meridian.html
(available to registered users)

http://www.cisco.com/warp/public/640/mptrace_meridian.html
(available to non-registered users)


Tech Tip:
How to use SPTrace Utility on Nortel Symposium Peripheral Gateways

This document outlines how to run the sptrace utility included on Symposium Peripheral Gateways (PGs). This tool is designed to give a playback from the automatic call distribution (ACD) to troubleshoot potential issues.

http://www.cisco.com/warp/customer/640/mptrace_symposium.html
(available to registered users)

http://www.cisco.com/warp/public/640/mptrace_symposium.html
(available to non-registered users)


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Cisco Intelligent Contact Management

Tech Tip:
Why Can't the Cisco ICM Logger Make a Connection to the Listener?

This Tech Note explains how to troubleshoot the specific errors found in the DDNS Transfer Protocol (DTP) process logs on the Cisco Intelligent Contact Management (ICM) Logger.

http://www.cisco.com/warp/customer/78/dtpindex.html
(available to registered users)

http://www.cisco.com/warp/public/78/dtpindex.html
(available to non-registered users)


Tech Tip:
How to Install the Nortel Symposium Software to Activate the Cisco ICM Peripheral Interface Manager

This Tech Note explains how to install Nortel Symposium software on a Cisco Peripheral Gateway (PG) in order to activate the Peripheral Interface Manager (PIM).

http://www.cisco.com/warp/customer/78/65.html
(available to registered users)

http://www.cisco.com/warp/public/78/65.html
(available to non-registered users)


Tech Tip:
Cisco ICM CallRouter Processes

This document provides a breakdown of the key processes on the CallRouter, which is the heart of the Cisco Intelligent Contact Management (ICM).

http://www.cisco.com/warp/customer/78/callrouter_process.html
(available to registered users)

http://www.cisco.com/warp/public/78/callrouter_process.html
(available to non-registered users)


Tech Tip:
Can't Remove Agents From Agent Teams in Configure ICR After an Upgrade to Release 4.1

When trying to remove agents in Configure Intelligent Call Router (ICR) after an upgrade to Cisco Intelligent Contact Manager (ICM) Release 4.1, the error message "An Agent is only allowed to be assigned to one team" appears. This document explains how to solve this problem.

http://www.cisco.com/warp/customer/78/cant_remove_agents.html
(available to registered users)

http://www.cisco.com/warp/public/78/cant_remove_agents.html
(available to non-registered users)


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Optical Transport Products

Field Notice:
FN012851 ONS 15454 2.2 Software Requires 15454-E100T= 800-06747-05 A0 or Later

All versions of the E100T card prior to 800-06747-05 A0 will require a hardware upgrade to support features introduced in version 2.2 CTC (Cisco Transport Controller) and later.

http://www.cisco.com/warp/customer/770/fn12851.html
(available to registered users)

http://www.cisco.com/warp/public/770/fn12851.html
(available to non-registered users)


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Cisco Interactive Mentor

Tech Tip:
Support FAQ for the Cisco Interactive Mentor (CIM) Product Line

The information in this document covers the Cisco Interactive Mentor (CIM) web-based learning products most frequently asked support questions.

http://www.cisco.com/warp/customer/117/cim_support_faq.html
(available to registered users)

http://www.cisco.com/warp/public/117/cim_support_faq.html
(available to non-registered users)


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Cisco IOS Software*

Tech Tip:
Verifying NTP Status with the show ntp associations Command

This document explains how to use the show ntp associations command to determine if Network Timing Protocol (NTP) is working and communicating properly.

http://www.cisco.com/warp/customer/620/ntpassoc.html
(available to registered users)

http://www.cisco.com/warp/public/620/ntpassoc.html
(available to non-registered users)


Tech Tip:
Cisco IOS Software Release 12.0SL

Cisco IOS® Software Release 12.0(9)SL is a specific technology early deployment release (STED) optimized for the Cisco 10000. This release is based upon 12.0S. This release introduces support for the Cisco 10000 leased line aggregation router.

http://www.cisco.com/warp/customer/620/ios_12_0sl.shtml
(available to registered users)

http://www.cisco.com/warp/public/620/ios_12_0sl.shtml
(available to non-registered users)


Tech Tip:
Cisco IOS Software Release 12.1(3)XI

Cisco IOS® Software Release 12.1(3)XI is a short-lived ED release(XED) optimized for the following platforms: Cisco 2600, 3620, 3640, 3660, 3810, AS5300, AS5800, c4gwy, and 7200. This release is based upon the Cisco IOS 12.1(3)T maintenance release. The platform support delivered with this ED release will be immediately incorporated into Cisco IOS Software Release 12.1(4)T and subsequent Cisco IOS 12.1T releases.

http://www.cisco.com/warp/customer/620/ios_12_1_3_xi.shtml
(available to registered users)

http://www.cisco.com/warp/public/620/ios_12_1_3_xi.shtml
(available to non-registered users)


Tech Tip:
Troubleshooting Memory Problems

This document explains the symptoms and possible causes of memory allocation failure (MALLOCFAIL), and offers guidelines for troubleshooting memory problems.

http://www.cisco.com/warp/customer/63/mallocfail.shtml
(available to registered users)

http://www.cisco.com/warp/public/63/mallocfail.shtml
(available to non-registered users)


Field Notice:
H.323 and SIP Issues in Cisco IOS Software Releases 12.1(3)T and 12.1(3a)T1

Cisco does not recommend Cisco IOS® Software Releases 12.1(3)T, 12.1(3a)T1 and 12.1(3)XI for networks using the H.323 and SIP Voice support on products listed in this Field Notice.

http://www.cisco.com/warp/customer/770/fn12860.shtml
(available to registered users)

http://www.cisco.com/warp/public/770/fn12860.shtml
(available to non-registered users)


Field Notice:
Cisco IOS Releases 12.1(1)DB and 12.1(1)DC Cisco 6400 NRP/NSP Image Deferral

Cisco IOS® Software Releases 12.1(1)DB and 12.1(1)DC are being replaced with 12.1(1)DB1 and 12.1(1)DC1.

http://www.cisco.com/warp/customer/770/fn12874.shtml
(available to registered users)

http://www.cisco.com/warp/public/770/fn12874.shtml
(available to non-registered users)


* You can find all these releases at
http://www.cisco.com/cgi-bin/iosplanner/iosplanner.cgi?
(available to Cisco end users and partner customers with TAC Software Center Access)


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TAC Newsletter Archive

To view the past issues of the TAC Newsletters, please visit:
http://www.cisco.com/tac/newsletter


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About The Cisco TAC Newsletter

 

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