User`s guide
152 XSR User’s Guide
Link Failure Backup Example Chapter 8
Configuring Dialer Services
Link Failure Backup Example
Figure 24 illustrates a local link failure and the dial backup process.
Figure 24 Backup Link Failure Example
Configuring a Dialed Backup Line
The following tasks must be performed to configure a dialed backup line:
Configure the dialer interface
Configure a physical interface to function as backup
Configure primary interfaces to use a backup interface
Configuring the Dialer Interface
Perform the following steps to configure the dialer interface:
1 Enter interface dialer number to create the dialer interface.
2 Enter encapsulation ppp to enable PPP encapsulation.
3 Enter dialer pool number to specify the dialer pool.
Central Site
XSR
Remote Site
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