Configuring Isdn Settings - Cisco 1941W Configuration Manual
Cisco 3900 series, cisco 2900 series,
cisco 1900 series
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Also See for 1941W:
- Hardware installation manual (102 pages) ,
- Installing and upgrading (24 pages)
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Chapter
Configuring Backup Data Lines and Remote Management
Figure 3
Figure 3
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3
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5
6
7
Configuring ISDN Settings
Traffic of interest must be present in order to activate the backup ISDN line by means of the backup
Note
interface and floating static routes methods. Traffic of interest is not needed in order for the dialer watch
to activate the backup ISDN line.
To configure your router ISDN interface for use as a backup interface, follow these steps, beginning in
global configuration mode.
SUMMARY STEPS
1.
2.
3.
4.
5.
6.
Cisco 3900 Series, Cisco 2900 Series, and Cisco 1900 Series Integrated Services Routers Generation 2 Software Configuration Guide
shows a dial backup link that goes directly from the router to the ISDN switch.
Data Line Backup Directly from Router to ISDN Switch
2
PC
Cisco 3900 series ISR
DSLAM
Aggregator
ISDN switch
Web server
Administrator
isdn switch-type switch-type
interface type number
encapsulation encapsulation-type
dialer pool-member number
isdn switch-type switch-type
exit
Configuring Data Line Backup and Remote Management Through the ISDN S/T Port
A
ATM
network
3
5
B
A
Primary DSL interface
B
Dial backup and remote management through the ISDN
interface (ISDN S/T port); serves as a failover link when the
primary line goes down
C
Provides administrator with remote management capability
through the ISDN interface when the primary DSL link is down;
serves as dial-in access to allow changes or updates to Cisco IOS
configuration
4
Internet
C
7
6
117
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