Cisco Router 860, 880 Series User Manual
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Contents xi Book Title 78-xxxxx-xx Setting up the DHCP Server 17-35 Monitoring and Maintaining the DHCP Server Access Point 17-37 Configuring the Access Point for Secure Shell 17-38 Understanding SSH 17-38 Configuring SSH 17-38 Configuring Client ARP Caching 17-39 Understanding Client ARP Caching 17-39 Configuring ARP Caching 17-39 Configuring Multiple VLAN and Rate Limiting for Point-to-Multipoint Bridging 17-40 Additional Information CHAPTER 18Deployment Scenarios 18-1 About the Deployment Scenarios 18-1 Enterprise Small Branch 18-2 Internet Service and IPSec VPN with 3G 18-3 SMB Applications 18-4 Enterprise Wireless Deployments with LWAPP 18-5 CHAPTER 19Troubleshooting 19-1 Getting Started 19-1 Before Contacting Cisco or Your Reseller 19-1 ADSL Troubleshooting 19-2 SHDSL Troubleshooting 19-2 ATM Troubleshooting Commands 19-2 ping atm interface Command 19-3 show interface Command 19-3 show atm interface Command 19-5 debug atm Commands 19-6 Software Upgrade Methods 19-9 Recovering a Lost Password 19-9 Change the Configuration Register 19-10 Reset the Password and Save Your Changes 19-12 Reset the Configuration Register Value 19-12 Managing Your Router with SDM 19-13 Reference Information (Appendixes)
Contents xii Book Title 78-xxxxx-xx APPENDIX ACisco IOS Software Basic Skills A-1 Configuring the Router from a PC A-1 Understanding Command Modes A-2 Getting Help A-4 Enable Secret Passwords and Enable Passwords A-5 Entering Global Configuration Mode A-5 Using Commands A-6 Abbreviating Commands A-6 Undoing Commands A-6 Command-Line Error Messages A-6 Saving Configuration Changes A-7 Summary A-7 Where to Go Next A-7 APPENDIX BConcepts B-1 ADSL B-1 SHDSL B-2 Network Protocols B-2 IP B-2 Routing Protocol Options B-2 RIP B-3 Enhanced IGRP B-3 PPP Authentication Protocols B-3 PAP B-4 CHAP B-4 TACACS+ B-5 Network Interfaces B-5 Ethernet B-5 ATM for DSL B-5 Dialer Interface B-6 Dial Backup B-6 Backup Interface B-6 Floating Static Routes B-7 Dialer Watch B-7 NAT B-7 Easy IP (Phase 1) B-8 Easy IP (Phase 2) B-8
Contents xiii Book Title 78-xxxxx-xx QoS B-9 IP Precedence B-9 PPP Fragmentation and Interleaving B-9 CBWFQ B-10 RSVP B-10 Low Latency Queuing B-10 Access Lists B-11 APPENDIX CROM Monitor C-1 Entering the ROM Monitor C-1 ROM Monitor Commands C-2 Command Descriptions C-3 Disaster Recovery with TFTP Download C-3 TFTP Download Command Variables C-4 Using the TFTP Download Command C-5 Configuration Register C-6 Changing the Configuration Register Manually C-6 Changing the Configuration Register Using Prompts C-6 Console Download C-7 Command Description C-8 Error Reporting C-8 Debug Commands C-8 Exiting the ROM Monitor C-10 APPENDIX DCommon Port Assignments D-1 System Message Logging E-1 Understanding System Message Logging E-1 Configuring System Message Logging E-2 System Log Message Format E-2 Default System Message Logging Configuration E-3 Disabling and Enabling Message Logging E-4 Setting the Message Display Destination Device E-4 Enabling and Disabling Time Stamps on Log Messages E-5 Enabling and Disabling Sequence Numbers in Log Messages E-6 Defining the Message Severity Level E-6 Limiting Syslog Messages Sent to the History Table and to SNMP E-8 Setting a Logging Rate Limit E-9 Configuring UNIX Syslog Servers E-9
Contents xiv Book Title 78-xxxxx-xx Displaying the Logging Configuration E-11 APPENDIX FRadio Channel Settings F-1 IEEE 802.11n (2.4-GHz Band) F-2
xv Book Title OL-xxxxx-xx Preface This preface describes the objectives, audience, organization, and conventions of this guide, and describes related documents that have additional information. It contains the following sections: •Objective, page xv Audience, page xv Organization, page xvi Conventions, page xvii Related Documentation, page xviii Searching Cisco Documents, page xix Obtaining Documentation and Submitting a Service Request, page xix Objective This guide provides an overview and explains how to configuration the various features for the Cisco 860 series and Cisco 880 series Integrated Services Routers (ISRs). Some information may not apply to your particular router model. For warranty, service, and support information, see the “Cisco One-Year Limited Hardware Warranty Terms” section in the Readme First for the Cisco 800 Series Integrated Services Routers that was shipped with your router. Audience This guide is intended for Cisco equipment providers who are technically knowledgeable and familiar with Cisco routers and Cisco IOS software and features.
xvi Book Title OL-xxxxx-xx Preface Organization This guide is organized into the following parts, chapters, and appendixes. Overview/Getting Started Product OverviewProvides a brief description of the router models and the available software features. Wireless Device OverviewProvides an introduction to the wireless device on the router and its use in network configurations. Basic Router ConfigurationProvides procedures for configuring the basic parameters of the router. Basic Wireless Device ConfigurationProvides procedures for initial configuration of the wireless device. Configuring the Router Configuring Backup Data Lines and Remote Management Provides procedures for configuring remote management functions and a backup data line connection. Configuring Security FeaturesProvides procedures for implementing the security features that can be configured on the router. Configuring the Ethernet SwitchesProvides an overview of the configuration tasks for the 4-port Fast Ethernet switch on the router. Configuring Voice FunctionalityProvides references to the procedures for voice configuration. Configuring and Administering the Wireless Device Service Set Identifier (SSID)Provides procedures for configuring and managing multiple service set identifiers (SSIDs) on the wireless device. Configuring Radio SettingsDescribes how to configure radio settings for the wireless device. Cipher Suites and WEPDescribes how to configure the cipher suites required to use Wi-Fi Protected Access (WPA) or Cisco Centralized Key Management (CCKM), and Wired Equivalent Privacy (WEP). Authentication Types for Wireless DevicesDescribes how to configure authentication types on the wireless device. Configuring VLANsDescribes how to configure your wireless device to operate with the VLANs set up on your wired LAN. Using an Access Point as a Local AuthenticatorDescribes how to configure the wireless device to serve as a stand alone authenticator for a small wireless LAN, or to provide backup authentication service. Hot Standby Access PointsDescribes how to configure your wireless device as a hot standby unit. Workgroup Bridge ModeDescribes how to configure your wireless device as a workgroup bridge.
xvii
Book Title
OL-xxxxx-xx
Preface
Conventions
These documents use the conventions listed in Ta b l e 1 to convey instructions and information.
Administering the Wireless DeviceDescribes the various aspects of the administration
of the wireless device.
Additional Information
Deployment ScenariosShows some typical deployment scenarios for the
Cisco 860 series and 880 series ISRs.
TroubleshootingProvides information to help isolate problems you
might encounter.
Reference Information (Appendixes)
Appendix A, “Cisco IOS Software Basic
Skills”
Provides information for how to use Cisco IOS
software to configure your router.
Appendix B, “Concepts”Provides conceptual information that may be useful
to Internet service providers or network
administrators when they configure Cisco routers.
Appendix C, “ROM Monitor”Provides information on how to use Cisco’s ROM
Monitor firmware.
Appendix D, “Common Port Assignments”Lists currently assigned transmission control
protocol (TCP) port numbers.
Appendix E, “System Message Logging”Describes how to configure system message logging
on your wireless device.
Appendix F, “Radio Channel Settings”Describes characteristics of the 802.11n radio
channels supported by Cisco access products in the
regulatory domains of the world.
Ta b l e 1 Command Conventions
ConventionDescription
boldface fontCommands and keywords.
italic fontVariables for which you supply values.
[ ]Optional keywords or arguments appear in square brackets.
{x | y | z}A choice of required keywords appears in braces separated by vertical bars. You
must select one.
screen fontExamples 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 italics are not available.
[ ]Default responses to system prompts appear in square brackets.
xviii Book Title OL-xxxxx-xx Preface NoteMeans reader take note. Notes contain helpful suggestions or references to additional information and material. CautionThis symbol means reader be careful. In this situation, you might do something that could result in equipment damage or loss of data. TimesaverMeans the described action saves time. You can save time by performing the action described in the paragraph. TipMeans 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. Related Documentation In addition to the Cisco 860 and Cisco 880 Series ISR Software Configuration Guide (this document), the Cisco 860 and Cisco 880 series ISR documentation set includes the following documents: Readme First for the Cisco 800 Series Integrated Services Routers. Cisco 860 and Cisco 880 Series Integrated Services Routers Hardware Installation Guide Regulatory Compliance and Safety Information for Cisco 800 Series and SOHO Series Routers Declarations of Conformity and Regulatory Information for Cisco Access Products with 802.11n Radios Cisco Software Licensing Feature Guide Cisco IOS Release Notes for Cisco IOS Release 12.4(15)XZ You might also need to refer to the following documents: Cisco System Manager Quick Start Guide Cisco IOS Release 12.4 Quality of Service Solutions Configuration Guide Cisco IOS Security Configuration Guide, Release 12.4 Cisco IOS Security Configuration Guide, Release 12.4T Cisco IOS Security Command Reference, Release 12.4 Cisco IOS Security Command Reference, Release 12.4T Cisco IOS Command Reference for Cisco Aironet Access Points and Bridges, versions 12.4(10b) JA and 12.3(8) JEC Cisco Aironet 1240AG Access Point Support Documentation Cisco 4400 Series Wireless LAN Controllers Support Documentation LWAPP Wireless LAN Controllers LWAPP Wireless LAN Access Points
xix Book Title OL-xxxxx-xx Preface Cisco IOS Release 12.4 Voice Port Configuration Guide SCCP Controlled Analog (FXS) Ports with Supplementary Features in Cisco IOS Gateways Cisco Software Activation Conceptual Overview Cisco Software Activation Tasks and Commands Searching Cisco Documents To search a Hyper Text Markup Language (HTML) document using a web browser, use the Ctrl+F (Windows) or Cmd+F (Apple) sequences. In most browsers the option to search whole words only, invoke case sensitivity, or search forward and backward are also available. To search a PDF document in Adobe Reader, use the basic Find toolbar (Ctrl+F) or the Full Reader Search window (Shift+Ctrl+F). Use the Find toolbar to find words or phrases within one specific document. Use the Full Reader Search window to search multiple PDF files simultaneously as well as change case sensitivity, and other options. Adobe Reader comes with online help with more information regarding searching PDF documents. Obtaining Documentation and Submitting a Service Request For information on obtaining documentation, submitting a service request, and gathering additional information, see the monthly What’s New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at: http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html Subscribe to the What’s New in Cisco Product Documentation as a Really Simple Syndication (RSS) feed and set content to be delivered directly to your desktop using a reader application. The RSS feeds are a free service and Cisco currently supports RSS version 2.0.