Cisco AS5350 - Universal Access Server User manual

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Cisco AS5350 and Cisco AS5400 Universal
Gateway Software Configuration Guide
Text Part Number: OL-3418-02 B0

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Cisco AS5350 and Cisco AS5400 Universal Gateway Software Configuration Guide
Copyright © 2000-2004, Cisco Systems, Inc.
All rights reserved.

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CONTENTS
Preface ix
Objective ix
Organization and Use ix
Where to Get the Latest Version of This Guide xiv
Document Conventions xiv
Obtaining Documentation xvi
World Wide Web xvi
Documentation CD-ROM xvii
Ordering Documentation xvii
Documentation Feedback xvii
Obtaining Technical Assistance xvii
Cisco.com xviii
Technical AssistanceCenter xviii
CHAPTER 1Understanding Basic Hardware Architecture and Cisco IOS Software 1-1
Basic Hardware Architecture 1-1
Exploring the Cisco IOS File System 1-3
Exploring Cisco IOS Software 1-6
Getting Help 1-6
Understanding Command Modes 1-7
Finding Command Options 1-7
Undoing a Command or Feature 1-9
Saving Configuration Changes 1-10
Upgrading to a New CiscoIOS Release 1-10
Changing Console Line Speed 1-13
Changing Gateway Line Speed 1-13
Where toGo Next 1-14
CHAPTER 2Verifying Basic Setup 2-1
Analyzing the System Boot Dialog 2-1
Checking the Initial Running Configuration 2-5
Investigating Memory Usage 2-7
Inspecting CPU Utilization 2-8

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Where toGo Next 2-10
CHAPTER 3Basic Configuration Using the Command-Line Interface 3-1
Configuring the Host Name, Password, and Time Stamps 3-2
Configure 3-2
Verify 3-3
Configuring Local AAA Security 3-4
Creating a Login Banner 3-5
Configuring Loopback Interfaces, Fast Ethernet Interfaces, and IP Route 3-6
Configuring the Asynchronous Group Interface 3-7
Configure 3-7
Verify 3-7
Configuring Channelized T1 and E1 Trunk Cards 3-9
Controller Numbering 3-9
Configure 3-9
Verify 3-10
Configuring a Channelized T3 Trunk Card 3-11
Controller Numbering 3-11
Configure 3-12
Verify 3-12
Configuring ISDN PRI 3-13
Request PRI Line and Switch Configuration from a Telco Service Provider 3-13
Controller Numbering 3-14
Configure 3-14
Verify 3-16
Configuring DS0 Trunk Group Dial Out 3-20
Trunk Group Resource Manager 3-20
Configure 3-21
Verify 3-22
Configuring the D Channels for ISDN Signaling 3-23
Configure 3-24
Verify 3-25
Configuring the Universal Port Card and Lines 3-26
SPE Firmware 3-27
Configure 3-28
Verify 3-29
Configuring Clocking 3-31
Trunk-Card Ports 3-31

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External Clock 3-31
Free-Running Clock 3-32
Configuration Examples 3-33
Verify 3-33
Enabling IP Basic Setup 3-36
Testing Asynchronous Shell Connections 3-37
Verifying the Final Running-Configuration 3-39
Saving Configuration Changes 3-41
Configure 3-41
Where toGo Next 3-42
CHAPTER 4Continuing Configuration Using the Command-Line Interface 4-1
Configuring Synchronous Serial Interfaces for WAN Support 4-2
Configure 4-2
Verify 4-3
Configuring CT1 Channel Groups 4-3
Configure 4-4
Verify 4-4
Configuring ISDN NFAS on CT1 PRI Groups 4-5
Configure 4-5
Take a Channel or Interface Out of Service 4-6
Verify 4-6
Configuring E1 R2 Signaling 4-6
Configure 4-7
Country Codes for R2Signaling 4-9
Verify 4-9
Configuring Alarms 4-10
Configure 4-10
Verify 4-11
Saving Configuration Changes 4-12
Configure 4-12
Where toGo Next 4-12
CHAPTER 5Managing and Troubleshooting the Universal Port Card 5-1
Managing SPE Performance Statistics 5-2
Configuration 5-2
Viewing SPE Performance Statistics 5-3
Managing Ports 5-5

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Clear Ports 5-5
Port Configuration Mode 5-5
Managing SPEs 5-6
SPE Country 5-6
SPE Configuration Mode 5-8
Troubleshooting 5-9
Configure SPE Diagnostic Tests 5-9
SPERecovery 5-11
SPE Download Maintenance 5-11
Upgrading SPE Firmware 5-12
Important Upgrade Commands 5-13
Displaying SPE Firmware Versions 5-13
Upgrading SPE Firmwarefrom the Cisco.comFTP Server 5-14
UsingSPE Firmware Bundled with Cisco IOS Software 5-20
Health Monitor 5-22
Interface Queue Wedge Monitor 5-23
Where toGo Next 5-27
CHAPTER 6Configuring Voice over IP 6-1
VoIP Basics 6-2
Call Flow 6-3
Dial Peers 6-4
Configuring Basic VoIP 6-6
Perform Preconfiguration Tasks 6-6
Configure Signaling on Voice Ports 6-7
Configure Dial Peers 6-8
Configuring Nextport Echo Canceller Control (optional) 6-12
VoiceQoS Basics 6-15
Enabling QoS Features for VoIP 6-16
Congestion Management 6-16
Fragmentation and Interleaving 6-19
Traffic Shaping for Frame Relay 6-19
Other Bandwidth-Reduction Features 6-20
Additional Resources 6-23
APPENDIX AUsing the Setup Script A-1
Getting Started A-1
Cisco AS5350 or Cisco AS5400 with AS54-DFC-CT3 and AS54-DFC-108NP A-2

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Cisco AS5350 or Cisco AS5400 with AS54-DFC-8CT1 and AS54-DFC-108NP A-7
Cisco AS5350 or Cisco AS5400 with AS54-DFC-8CE1 and AS54-DFC-108NP A-11
Save the Configuration File A-15
Where toGo Next A-16
APPENDIX BROM Monitor B-1
Entering the ROM Monitor Program B-1
ROM Monitor Command Conventions B-2
Command Aliasing B-2
ROM Monitor Commands B-3
APPENDIX CComprehensive Configuration Examples C-1
CT3CAS/ISDN with RADIUS C-1
CT3CAS/ISDN Without RADIUS C-11
CT3 Without Resource Pooling C-20
CT3 CAS with Resource Pooling C-26
Two 8 T1/PRI ISDN with Modems C-32
Two 8 E1/PRI ISDN with Modems C-44
Two 8 T1/PRI CAS with Modems C-49
Two 8 T1/PRI CAS with RADIUS (AAA) and Resource Pooling C-54
Two 8 T1/PRI ISDN with RADIUS (AAA) and Resource Pooling C-59
Two 8 E1/PRI ISDN with RADIUS (AAA) and Resource Pooling C-71
CT3 with Resource Pooling, AAA, and Modem C-75
I NDEX

Contents
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Preface
This preface discusses how this guide is organized, explains how to use the guide, describes how to get
the latest version of the guide, the conventions used in the guide, related documentation, and how to
obtain documentation and technical assistance.
Objective
Whether you are a corporate end user or a competitive Internet service provider (ISP), you have
purchased a Cisco AS5350 or Cisco AS5400 universal gateway to provide dial-up services that facilitate
accessibility for remote or roaming personnel, or Internet admission to consumers for e-mail,
e-commerce, and web browsing. This guide assists you in configuring basic features to get you started.
Organization and Use
This software configuration guide is organized into the following chapters and appendixes:
Table 1 Document Organization
Chapter Title Description
Chapter 1 Understanding Basic Hardware
Architecture and Cisco IOS Software Briefly overviews the Cisco AS5350 and Cisco AS5400 universal gateway
architecture, and describes how to upgrade
Cisco IOS software.
Chapter 2 Verifying Basic Setup Describes how to analyze your system,
execute basic tasks, and configure your
system to commission the universal
gateway using the CLI.
Chapter 3 Basic Configuration Using the
Command-Line Interface Describes how to configure additional basic system features.
Chapter 4 Continuing Configuration Using the
Command-Line Interface Describes how to use the Cisco IOS software command-line interface (CLI) to
commission your gateway.
Chapter 5 Managing and Troubleshooting the
Universal Port Card Describes how to manage your universal port modules using the CLI.

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Organization and Use
Organization and Use
The following details where you can find your basic and advanced configuration information:
•Chapter 1—Get familiar with your Cisco AS5350 or Cisco AS5400, learn how to use the
command-line interface (CLI), and upgrade your Cisco IOS software, if necessary.
•Chapter 2—Analyze your system, execute basic tasks and system configuration.
•Chapters 3 and 4—Begin to commission the Cisco AS5350 or Cisco AS5400 using the
command-line interface (CLI).
•The remaining chapters and appendixes—Reference these for your additional configuration,
management, and troubleshooting needs.
To obtain advanced feature-configuration information that is supported on your Cisco AS5350 or
Cisco AS5400 universal gateway, you can go to the following locations:
•Cisco AS5350 or Cisco AS5400 platform website, which includes platform-specific documentation
such as hardware books and release notes
– Cisco AS5350 (or Cisco AS5400) Universal Gateway Chassis Installation Guide
– Cisco AS5350 (or Cisco AS5400) Universal Gateway Card Installation Guide
– Cisco AS5350 (or Cisco AS5400) Universal Gateway Regulatory Compliance and Safety
Information
Note The Cisco AS5350 and Cisco AS5400 platform websites are available online at
http://www.cisco.com/univercd/cc/td/doc/product/access/acs_serv/as5350/index.htm and
http://www.cisco.com/univercd/cc/td/doc/product/access/acs_serv/as5400/index.htm
– Monitoring Voice and Fax Services on the Cisco AS5400 Universal Gateway, available at
http://www.cisco.com/univercd/cc/td/doc/product/software/.
Select your Cisco IOS release and search for this title.
•Cisco Technical Assistance Center website for the Cisco AS5350 and Cisco AS5400 universal
gateways, available at
http://www.cisco.com/pcgi-bin/Support/PSP/psp_view.pl?p=Hardware:AS5350
and
http://www.cisco.com/pcgi-bin/Support/PSP/psp_view.pl?p=Hardware:AS5400
Chapter 6 Configuring Voice over IP Provides a brief overview of the VoIP call
process and explains how to configure
VoIP on your gateway.
Appendix A Using the Setup Script Describes how to power on the gateway
and configure it using the prompt-driven
setup script.
Appendix B ROM Monitor Describes how to use theROM monitor to
isolate or rule out hardware problems
encountered when installing your gateway.
Appendix C Comprehensive Configuration Examples Provides basic and advanced configuration
examples for reference.
Table 1 Document Organization (continued)
Chapter Title Description

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Organization and Use Organization and Use
•Cisco IOS documentation set, which includes:
– Cisco IOS Command Summary
– Cisco IOS System Error Messages
– Cisco IOS Debug Command Reference
– Cisco IOS Dial Services Quick Configuration Guide
– New feature module documentation and release notes
– Configuration guides and command references (see Figure 1)
Note The Cisco IOS documentation set for your release is available online at
http://www.cisco.com/univercd/cc/td/doc/product/software/
Note The abbreviations next to the book icons are page designators (for example, FC, FR, and so on), which
are defined in a key in the index of each document to help with navigation. The bulleted lists under each
module describe the major technology areas discussed in their corresponding books.

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Organization and Use
Organization and Use
Figure 1 Cisco IOS Software Documentation Modules
Cisco IOS
Configuration
Fundamentals
Configuration
Guide
Cisco IOS
Configuration
Fundamentals
Command
Reference
Module FC/FR:
• Cisco IOS User
Interfaces
• File Management
• System Management
Cisco IOS
IP and
IP Routing
Configuration
Guide
Cisco IOS
IP and
IP Routing
Command
Reference
Module P1C/P1R:
• IP Addressing
• IP Services
• IP Routing
Protocols
• IP Multicast
Cisco IOS
AppleTalk and
Novell IPX
Configuration
Guide
Cisco IOS
AppleTalk and
Novell IPX
Command
Reference
Module P2C/P2R:
• AppleTalk
• Novell IPX
Cisco IOS
Apollo Domain,
Banyan VINES,
DECnet, ISO
CLNS, and XNS
Configuration
Guide
Cisco IOS
Apollo Domain,
Banyan VINES,
DECnet, ISO
CLNS, and XNS
Command
Reference
Module P3C/P3R:
• Apollo Domain
• Banyan VINES
• DECnet
• ISO CLNS
• XNS
Cisco IOS
Wide-Area
Networking
Configuration
Guide
Cisco IOS
Wide-Area
Networking
Command
Reference
Module WC/WR:
• ATM
• Frame Relay
• SMDS
• X.25 and LAPB
Cisco IOS
Security
Configuration
Guide
Cisco IOS
Security
Command
Reference
Module SC/SR:
• AAA Security Services
• Security Server Protocols
• Traffic Filtering and Firewalls
• IP Security and Encryption
• Passwords and Privileges
• Neighbor Router Authentication
• IP Security Options
• Supported AV Pairs
Cisco IOS
Interface
Configuration
Guide
Cisco IOS
Interface
Command
Reference
Module IC/IR:
• Interface
Configuration
30464
FC
FR
WC
WR
SC
SR
IC
IR
P1C
P1R
P2C
P2R
P3C
P3R

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Organization and Use Organization and Use
Cisco IOS
Multiservice
Applications
Configuration
Guide
Cisco IOS
Multiservice
Applications
Command
Reference
Module MC/MR:
•Voice over IP
•Voice over
Frame Relay
•Voice over ATM
•Voice over HDLC
•Video Support
•Universal Broadband
Features
Cisco IOS
Quality of
Service
Solutions
Configuration
Guide
Cisco IOS
Quality of
Service
Solutions
Command
Reference
Module QC/QR:
•Packet Classification
•Congestion Management
•Congestion Avoidance
•Policing and Shaping
•Signalling
•Link Efficiency
Mechanisms
Cisco IOS
Configuration
Guide
Master Index
Cisco IOS
Command
Reference
Master Index
Cisco IOS
Dial Services
Configuration
Guide:
Terminal
Services
Cisco IOS
Dial Services
Configuration
Guide:
Network
Services
Cisco IOS
Dial Services
Command
Reference
Module DTC/DR:
•Dial Access
•Modem
Management
•ISDN BRI
Services
•Point-to-Point
Protocols
•Dial-on-Demand
Routing
•Dial Backup
•Terminal Services
Module DNC/DR:
•Large-Scale
Dial Solutions
•Cost-Control
Solutions
•Virtual Private
Networks
•X.25 on ISDN
Solutions
•Telco Solutions
•Dial-Related
Addressing
Services
•Internetworking
Dial Access
Scenarios
Module BC/B1R:
•Transparent
Bridging
•Source-Route
Bridging
•Token Ring
Inter-Switch Link
•Token Ring Route
Switch Module
•Remote Source-
Route Bridging
•Data-Link
Switching Plus
•Serial Tunnel and
Block Serial Tunnel
•LLC2 and SDLC
•IBM Network
Media Translation
•SNA Frame Relay
Access
•NCIA Client/Server
•Airline Product Set
Module BC/B2R:
•DSPU and SNA
Service Point
•SNA Switching
Services
•Cisco Transaction
Connection
•Cisco Mainframe
Channel Connection
•CLAW and TCP/IP
Offload
•CSNA, CMPC,
and CMPC+
•TN3270 Server
Cisco IOS
Switching
Services
Configuration
Guide
Cisco IOS
Switching
Services
Command
Reference
Module XC/XR:
•Cisco IOS
Switching Paths
•Cisco Express
Forwarding
•NetFlow Switching
•Multiprotocol Label
Switching
•Multilayer Switching
•Multicast Distributed
Switching
•Virtual LANs
•LAN Emulation
30465
Cisco IOS
Bridging and
IBM Networking
Configuration
Guide
Cisco IOS
Bridging
and IBM
Networking
Command
Reference,
Volume I
Cisco IOS
Bridging
and IBM
Networking
Command
Reference,
Volume II
MC
MR
DTC XC BC
DNC
DR XR
B1R B2R
QC
QR

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Where to Get the Latest Version of This Guide
Where toGet the Latest Version of This Guide
Where to Get the Latest Version of This Guide
This guide is available online and is updated continuously to integrate the latest enhancements to the
product. You can access the current online copy of this guide on the World Wide Web at
http://www.cisco.com, http://www-china.cisco.com, or http://www-europe.cisco.com.
See also the “Obtaining Documentation”section on page xvi.
Document Conventions
This publication uses the following conventions to convey instructions and information.
Note Means reader take note. Notes contain helpful suggestions or references to additional
information and material.
Timesaver This symbol means the described action saves time. You can save time by performing the
action described in the paragraph.
Caution This symbol means reader be careful.In this situation, you might do something that could
result in equipment damage or loss of data.
Tip This symbol means the following information will help you solve a problem.The tips
information might not be troubleshooting or even an action, but could be useful
information, similar to a Timesaver.
Table 2 Document Conventions
Convention Description
boldface font Commands and keywords.
italic font Variables for which you supply values.
[ ] Keywords or arguments that appear within square brackets are optional.
{x | y | z} A choice of required keywords appears in braces separated by vertical bars.
You must select one.
screen font Examples of information displayed on the screen.
boldface screen
font Examples of information you must enter.
< > Nonprinting characters, for example passwords, appear in angle brackets in
contexts where italic font is not available.
[ ] Default responses to system prompts appear in square brackets.

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Document Conventions Document Conventions
Warning This warning symbol means danger. You are in a situation that could cause bodily
injury. Before you work on any equipment, be aware of the hazards involved with
electrical circuitry and be familiar with standard practices for preventing
accidents. To see translations of the warnings that appear in this publication, refer
to the Regulatory Compliance and Safety Information document that accompanied
this device.
Waarschuwing
Dit waarschuwingssymbool betekent gevaar. U verkeert in een situatie die
lichamelijk letsel kan veroorzaken. Voordat u aan enige apparatuur gaat werken,
dient uzich bewustte zijn van debij elektrischeschakelingenbetrokkenrisico's en
dient u op de hoogte te zijn van standaard maatregelen om ongelukken te
voorkomen. Voor vertalingen van de waarschuwingen die in deze publicatie
verschijnen, kunt u het document Regulatory Compliance and Safety Information
(Informatie over naleving van veiligheids- en andere voorschriften) raadplegen dat
bij dit toestel is ingesloten.
Varoitus
Tämävaroitusmerkki merkitsee vaaraa. Olet tilanteessa, joka voi johtaa
ruumiinvammaan. Ennen kuin työskentelet minkään laitteiston parissa, ota selvää
sähkökytkentöihin liittyvistävaaroista ja tavanomaisista onnettomuuksien
ehkäisykeinoista. Tässäjulkaisussa esiintyvien varoitusten käännökset löydät
laitteen mukana olevastaRegulatory Compliance and Safety Information -kirjasesta
(määräysten noudattaminen ja tietoa turvallisuudesta).
Attention
Ce symboled'avertissementindique undanger.Vous voustrouvezdans une situation
pouvantcauserdes blessuresoudesdommagescorporels.Avantde travailler surun
équipement, soyez conscient des dangers posés par les circuits électriques et
familiarisez-vous avec les procédures couramment utilisées pour éviter les
accidents. Pour prendre connaissance des traductions d’avertissements figurant
dans cette publication, consultez le document Regulatory Compliance and Safety
Information (Conformitéaux règlements et consignes de sécurité) qui accompagne
cet appareil.
Warnung
Dieses Warnsymbol bedeutet Gefahr. Sie befinden sich in einer Situation, die zu
einerKörperverletzungführenkönnte. BevorSiemitderArbeitanirgendeinemGerät
beginnen, seien Sie sich der mit elektrischen Stromkreisen verbundenen Gefahren
und der Standardpraktiken zurVermeidung von Unfällen bewußt.Übersetzungen der
in dieser Veröffentlichung enthaltenen Warnhinweise finden Sie im Dokument
Regulatory Compliance and Safety Information (Informationen zu behördlichen
Vorschriften und Sicherheit), das zusammen mit diesem Gerät geliefert wurde.
Avvertenza
Questo simbolo di avvertenza indica un pericolo. La situazione potrebbe causare
infortuni alle persone. Prima di lavorare su qualsiasi apparecchiatura, occorre
conoscere ipericoli relativiai circuiti elettrici ed essere al corrente delle pratiche
standard per la prevenzione di incidenti. La traduzione delle avvertenze riportate in
questa pubblicazione si trova nel documento Regulatory Compliance and Safety
Information(Conformitàalle norme e informazioni sulla sicurezza) cheaccompagna
questo dispositivo.

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Obtaining Documentation
Obtaining Documentation
Obtaining Documentation
These sections explain how to obtain documentation from Cisco Systems.
World Wide Web
You can access the most current Cisco documentation on the World Wide Web at this URL:
http://www.cisco.com
Translated documentation is available at this URL:
http://www.cisco.com/public/countries_languages.shtml
Advarsel
Dette varselsymbolet betyr fare. Du befinner deg i en situasjon som kan føre til
personskade. Før du utfører arbeid påutstyr, mådu vare oppmerksom påde
faremomentene som elektriske kretser innebærer, samt gjøre deg kjent med vanlig
praksisnårdetgjelderåunngåulykker.Hvisdu vilse oversettelserav deadvarslene
som finnes i denne publikasjonen, kan du se i dokumentet Regulatory Compliance
and Safety Information (Overholdelse av forskrifter og sikkerhetsinformasjon) som
ble levert med denne enheten.
Aviso
Este símbolo de aviso indica perigo. Encontra-se numa situação que lhe poderá
causar danos físicos. Antes de começar a trabalhar com qualquer equipamento,
familiarize-se com os perigos relacionados com circuitos eléctricos, e com
quaisquer práticas comuns que possam prevenir possíveis acidentes. Para ver as
traduções dos avisos que constam desta publicação, consulte o documento
Regulatory Compliance and Safety Information (Informação de Segurança e
Disposições Reguladoras) que acompanha este dispositivo.
¡Advertencia!
Este símbolo de aviso significa peligro. Existe riesgo para su integridad física.
Antes de manipular cualquier equipo, considerar los riesgos que entraña la
corriente eléctrica y familiarizarse con los procedimientos estándar de prevención
de accidentes. Para ver una traducción de las advertencias que aparecen en esta
publicación, consultar el documento titulado Regulatory Compliance and Safety
Information (Información sobre seguridad y conformidad con las disposiciones
reglamentarias) que se acompaña con este dispositivo.
Varning!
Denna varningssymbol signalerar fara. Du befinner dig i en situation som kan leda
till personskada. Innan du utför arbete pånågon utrustning måste du vara medveten
om farorna med elkretsar och känna till vanligt förfarande för att förebygga skador.
Se förklaringar av de varningar som förkommer i denna publikation i dokumentet
Regulatory Compliance and Safety Information (Efterrättelse av föreskrifter och
säkerhetsinformation), vilket medföljer denna anordning.

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Documentation CD-ROM
Cisco documentation and additional literature are available in a Cisco Documentation CD-ROM
package, which is shipped with your product. The Documentation CD-ROM isupdated monthly and may
be more current than printed documentation. The CD-ROM package is available as a single unit or
through an annual subscription.
Ordering Documentation
You can order Cisco documentation in these ways:
•Registered Cisco.com users (Cisco direct customers) can order Cisco product documentation from
the Networking Products MarketPlace:
http://www.cisco.com/cgi-bin/order/order_root.pl
•Registered Cisco.com users can order the Documentation CD-ROM through the online Subscription
Store:
http://www.cisco.com/go/subscription
•Nonregistered Cisco.com users can order documentation through a local account representative by
calling Cisco Systems Corporate Headquarters (California, U.S.A.) at 408 526-7208 or, elsewhere
in North America, by calling 800 553-NETS (6387).
Documentation Feedback
You can submit comments electronically on Cisco.com. In the Cisco Documentation home page, click
the Fax or Email option in the “Leave Feedback”section at the bottom of the page.
You can e-mail your comments to [e-mail].
You can submit your comments by mail by using the response card behind the front cover of your
document or by writing to the following address:
Cisco Systems
Attn: Document Resource Connection
170 West Tasman Drive
San Jose, CA 95134-9883
We appreciate your comments.
Obtaining Technical Assistance
Cisco provides Cisco.com as a starting point for all technical assistance. Customers and partners can
obtain online documentation, troubleshooting tips, and sample configurations from online tools by using
the Cisco Technical Assistance Center (TAC) Web Site. Cisco.com registered users have complete access
to the technical support resources on the Cisco TAC Web Site.

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Cisco.com
Obtaining Technical Assistance
Cisco.com
Cisco.com is the foundation of a suite of interactive, networked services that provides immediate, open
access to Cisco information, networking solutions, services, programs, and resources at any time, from
anywhere in the world.
Cisco.com is a highly integrated Internet application and a powerful, easy-to-use tool that provides a
broad range of features and services to help you with these tasks:
•Streamline business processes and improve productivity
•Resolve technical issues with online support
•Download and test software packages
•Order Cisco learning materials and merchandise
•Register for online skill assessment, training, and certification programs
If you want to obtain customized information and service, you can self-register on Cisco.com. To access
Cisco.com, go to this URL:
http://www.cisco.com
Technical Assistance Center
The Cisco Technical Assistance Center(TAC) isavailable to allcustomers who need technical assistance
with a Cisco product, technology, or solution. Two levels of support are available: the Cisco TAC
Web Site and the Cisco TAC Escalation Center.
Cisco TAC inquiries are categorized according to the urgency of the issue:
•Priority level 4 (P4)—You need information or assistance concerning Cisco product capabilities,
product installation, or basic product configuration.
•Priority level 3 (P3)—Your network performance is degraded. Network functionality is noticeably
impaired, but most business operations continue.
•Priority level 2 (P2)—Your production network is severely degraded, affecting significant aspects
of business operations. No workaround is available.
•Priority level 1 (P1)—Your production network is down, and a criticalimpacttobusiness operations
will occur if service is not restored quickly. No workaround is available.
The Cisco TAC resource that you choose is based on the priority of the problem and the conditions of
service contracts, when applicable.
Cisco TAC Web Site
You can use the Cisco TAC Web Site to resolve P3 and P4 issues yourself, saving both cost and time.
The site provides around-the-clock access to online tools, knowledge bases, and software. To access the
Cisco TAC Web Site, go to this URL:
http://www.cisco.com/tac
All customers, partners, and resellers who have a valid Cisco service contract have complete access to
the technical support resources on the Cisco TAC Web Site. The Cisco TAC Web Site requires a
Cisco.com login ID and password. If you have a valid service contract but do not have a login ID or
password, go to this URL to register:
http://www.cisco.com/register/

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If you are a Cisco.com registered user, and you cannot resolve your technical issues by using the Cisco
TAC Web Site, you can open a case online by using the TAC Case Open tool at this URL:
http://www.cisco.com/tac/caseopen
If you have Internet access, we recommend that you open P3 and P4 cases through the Cisco TAC
Web Site.
Cisco TAC Escalation Center
The Cisco TAC Escalation Center addresses priority level 1 or priority level 2 issues. These
classifications are assigned when severe network degradation significantly impacts business operations.
When you contact the TAC Escalation Center with a P1 or P2 problem, a Cisco TAC engineer
automatically opens a case.
To obtain a directory of toll-free Cisco TAC telephone numbers for your country, go to this URL:
http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml
Before calling, please check with your network operations center to determine the level of Cisco support
services to which your company is entitled: for example, SMARTnet, SMARTnet Onsite, or Network
Supported Accounts (NSA). When you call the center, please have available your service agreement
number and your product serial number.

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