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Cisco Router 850 Series Software Configuration Guide

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Corporate Headquarters
Cisco Systems, Inc.
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San Jose, CA 95134-1706 
USA
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Tel: 408 526-4000
800 553-NETS (6387)
Fax: 408 526-4100
Cisco 850 Series and Cisco 870 Series 
Access Routers Software 
Configuration
 Guide
Text Part Number: OL-5332-01  

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THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL 
STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT 
WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS.
THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT 
SHIPPED WITH THE PRODUCT AND ARE...

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Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide
OL-5332-01 
CONTENTS
Preface     11
Audience     11
Organization     12
Conventions     13
Notes, Cautions, and Timesavers     13
Command Conventions     13
Related Documents     14
Obtaining Documentation     14
Cisco.com     14
Documentation DVD     15
Ordering Documentation     15
Documentation Feedback     15
Cisco Product Security Overview     16
Reporting Security Problems in Cisco Products     16
Obtaining...

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Contents
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Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide
OL-5332-01 
Configuring a Loopback Interface     8
Configuration Example     8
Verifying Your Configuration     9
Configuring Command-Line Access to the Router     9
Configuration Example     11
Configuring Static Routes     11
Configuration Example     12
Verifying Your Configuration     12
Configuring Dynamic Routes     12
Configuring RIP     13
Configuration Example     14
Verifying Your Configuration...

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Contents
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Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide
OL-5332-01 
Verifying Your Configuration     12
CHAPTER 5Configuring a LAN with DHCP and VLANs     1
Configure DHCP     2
Configuration Example     4
Verify Your DHCP Configuration     4
Configure VLANs     5
Verify Your VLAN Configuration     6
CHAPTER 6Configuring a VPN Using Easy VPN and an IPSec Tunnel     1
Configure the IKE Policy     4
Configure Group Policy Information     5
Apply Mode Configuration to...

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Contents
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Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide
OL-5332-01 
CHAPTER 9Configuring a Wireless LAN Connection     1
Configure the Root Radio Station     2
Configure Bridging on VLANs     4
Configure Radio Station Subinterfaces     5
Configuration Example     6
CHAPTER 10Sample Configuration     1
PART 3Configuring Additional Features and Troubleshooting
CHAPTER 11Additional Configuration Options     1
CHAPTER 12Configuring Security Features     1...

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Contents
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Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide
OL-5332-01 
Configure ISDN Settings     17
Configure the Aggregator and ISDN Peer Router     20
CHAPTER 14Troubleshooting     1
Getting Started     1
Before Contacting Cisco or Your Reseller     1
ADSL Troubleshooting     2
SHDSL Troubleshooting     2
ATM Troubleshooting Commands     2
ping atm interface Command     3
show interface Command     3
show atm interface Command     5
debug atm Commands     6...

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Contents
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Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide
OL-5332-01 
Summary     7
Where to Go Next     7
APPENDIX BConcepts     1
ADSL     1
SHDSL     2
Network Protocols     2
IP     2
Routing Protocol Options     2
RIP     3
Enhanced IGRP     3
PPP Authentication Protocols     3
PAP     4
CHAP     4
TACACS+     5
Network Interfaces      5
Ethernet     5
ATM for DSL     5
PVC     6
Dialer Interface     6
Dial Backup     6
Backup Interface     6
Floating Static...

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Contents
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Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide
OL-5332-01 
Command Descriptions     3
Disaster Recovery with TFTP Download     3
TFTP Download Command Variables     4
Required Variables     4
Optional Variables     5
Using the TFTP Download Command     5
Configuration Register     6
Changing the Configuration Register Manually     6
Changing the Configuration Register Using Prompts     6
Console Download     7
Command Description     8
Error Reporting...

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Contents
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Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide
OL-5332-01  
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