User`s guide

XSR User’s Guide 175
Chapter 8 Configuring DoD/BoD
Configuring Dialer Services
MLPPP Point-to-Multipoint Configurations
The following MLPPP point-to-multipoint topology can be used for BoD
applications, as illustrated by Figure 31. This example creates multiple
switched lines linking users on XSR-Toronto’s network with those on three
remote networks.
Figure 31 MLPPP Point-to-Multipoint Topology
Dial-out Router Example
The following commands add a dialer pool and dialer group, and specify
three MLPPP call destinations - XSR-Andover, XSR-Boston and XSR-Buffalo -
on XSR-Toronto’s Dialer interface 1. Spoofing also is enabled by the
dialer
map
command.
XSR(config)#interface dialer 1
XSR(config-if<D1>)#encapsulation ppp
.
XSR-Toronto
Switched
line
Switched
line
MLPPP
XSR-Andover
Switched
line
Switched
line
Switched
line
MLPPP
XSR-Boston
Switched
line
MLPPP
XSR-Buffalo
172.22.85.1
172.22.80.4
172.22.85.2
172.22.85.3 172.22.85.4
172.22.95.2
172.22.96.2 172.22.97.2