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13-9
Cisco 1800 Series Integrated Services Routers (Fixed) Software Configuration Guide
OL-6426-02
Chapter 13 Configuring Dial Backup and Remote Management
Configuring Dial Backup and Remote Management Through the ISDN S/T Port
dsl operating-mode auto
!
! Dial backup interface, associated with physical BRI0 interface. Dialer pool 1 associates
it with BRI0’s dialer pool member 1. Note “dialer watch-group 1” associates a watch list
with corresponding “dialer watch-list” command
interface Dialer0
ip address negotiated
encapsulation ppp
dialer pool 1
dialer idle-timeout 30
dialer string 384040
dialer watch-group 1
dialer-group 1
!
! Primary interface associated with physical ATM0 interface, dialer pool 2 associates it
with ATM0’s dial-pool-number2
interface Dialer2
ip address negotiated
ip mtu 1492
encapsulation ppp
dialer pool 2
dialer-group 2
no cdp enable
!
ip classless
!Primary and backup interface given route metric
ip route 0.0.0.0 0.0.0.0 22.0.0.2
ip route 0.0.0.0 0.0.0.0 192.168.2.2 80
ip http server
!
!Watch for interesting traffic
dialer watch-list 1 ip 22.0.0.2 255.255.255.255
!Specifies interesting traffic to trigger backup ISDN traffic
dialer-list 1 protocol ip permit
!
Configuring Dial Backup and Remote Management Through the
ISDN S/T Port
The Cisco 1812, Cisco 1801, Cisco 1802, and Cisco 1803 routers use the ISDN S/T port for dial backup
and remote management. Perform the following tasks to configure dial backup and remote management
through the ISDN S/T port of your router:
• Configure ISDN Settings
• Configure the Aggregator and ISDN Peer Router
Configure ISDN Settings
Note Traffic of interest must be present to activate the backup ISDN line by means of the backup interface and
floating static routes methods. Traffic of interest is not needed for the dialer watch to activate the backup
ISDN line.