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Contents
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Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide
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C H A P T E R
11
Additional Configuration Options
1
C H A P T E R
12
Configuring Security Features
1
Authentication, Authorization, and Accounting
1
Configuring AutoSecure
2
Configuring Access Lists
2
Access Groups
3
Guidelines for Creating Access Groups
3
Configuring a CBAC Firewall
3
Configuring Cisco IOS Firewall IDS
4
Configuring VPNs
4
C H A P T E R
13
Configuring Dial Backup and Remote Management
1
Dial Backup Feature Activation Methods
1
Backup Interfaces
2
Configuring Backup Interfaces
2
Floating Static Routes
2
Configuring Floating Static Routes
3
Dialer Watch
4
Configuring Dialer Watch
4
Dial Backup Feature Limitations
5
Configuration Example
6
Configuring Dial Backup and Remote Management Through the Console or Auxiliary Port
9
Configuration Tasks
10
Configuration Example
13
Configuring Dial Backup and Remote Management Through the ISDN S/T Port
16
Configuration Tasks
17
Configure ISDN Settings
17
Configure the Aggregator and ISDN Peer Router
20
C H A P T E R
14
Troubleshooting
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
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Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide
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show interface Command
3
show atm interface Command
5
debug atm Commands
6
Guidelines for Using Debug Commands
6
debug atm errors Command
6
debug atm events Command
7
debug atm packet Command
8
Software Upgrade Methods
9
Recovering a Lost Password
9
Change the Configuration Register
10
Reset the Router
11
Reset the Password and Save Your Changes
12
Reset the Configuration Register Value
12
Managing Your Router with SDM
13
P A R T
4
Reference Information
A P P E N D I X
A
Cisco IOS Software Basic Skills
1
Configuring the Router from a PC
1
Understanding Command Modes
2
Getting Help
4
Enable Secret Passwords and Enable Passwords
5
Entering Global Configuration Mode
5
Using Commands
6
Abbreviating Commands
6
Undoing Commands
6
Command-Line Error Messages
6
Saving Configuration Changes
7
Summary
7
Where to Go Next
7
A P P E N D I X
B
Concepts
1
ADSL
1
SHDSL
2
Network Protocols
2
IP
2
Routing Protocol Options
2
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Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide
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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 Routes
7
Dialer Watch
7
NAT
7
Easy IP (Phase 1)
8
Easy IP (Phase 2)
8
QoS
9
IP Precedence
9
PPP Fragmentation and Interleaving
9
CBWFQ
10
RSVP
10
Low Latency Queuing
10
Access Lists
11
A P P E N D I X
C
ROM Monitor
1
Entering the ROM Monitor
1
ROM Monitor Commands
2
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
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Contents
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Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide
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Console Download
7
Command Description
8
Error Reporting
8
Debug Commands
8
Exiting the ROM Monitor
10
A P P E N D I X
D
Common Port Assignments
1
I
N D E X
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Contents
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Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide
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