Contents
vii
Cisco AS5800 Operations, Administration, Maintenance, and Provisioning Guide
DOC-7810814=
Obtaining a New Cisco IOS Version 6-6
Backing Up Your AS5800 Configuration 6-7
Installing New IOS Software 6-8
Modem Upgrading 6-13
Modem Upgrades 6-14
Debugging a Modem 6-14
Upgrading Modem Firmware 6-14
Modem Operation at Bootup 6-17
Split Dial Shelves 6-18
Split-Dial-Shelf Configuration 6-18
Changing to Split Mode 6-18
Leaving Split Mode 6-21
Potential Split-Dial-Shelf Problems 6-21
Split-Dial-Shelf Show Commands 6-21
Managing a Split Dial Shelf 6-23
Configuring Split-Dial-Shelf Routers 6-23
Split-Dial-Shelf Error Messages 6-24
Verifying and Troubleshooting Split-Dial-Shelf Installation 6-25
Router-Shelf Redundancy 6-27
Failover Operation 6-27
External Services 6-28
Configuring Redundancy 6-28
APPENDIX
A Advanced Quick Reference A-1
Advanced Quick Reference Configurations A-2
Functional Components A-2
Egress Interface A-3
Loopback Interface A-4
Routing Protocol A-5
Ingress Interface A-6
Line Signaling A-9
D-Channels (ISDN) A-10
AAA A-12
Modem Pools A-16
TTY Line A-18
Async Interface A-19
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