User`s guide

XSR User’s Guide 169
Chapter 8 Configuring DoD/BoD
Configuring Dialer Services
The following command defines interesting packets for the dial out trigger by
configuring access list 101 to pass all Type 8 source and destination ICMP
traffic up to 20 idle seconds:
XSR(config)#access-list 101 permit icmp any any 8
PPP Point-to-Multipoint Configurations
The following topology can be used for Dial on Demand applications only; it
cannot be used for Dialed Backup applications. Refer to Figure 29.
Figure 29 PPP Point-to-Multipoint Topology
Dial-out Router Example
The following commands add a dialer pool and dialer group, specify a secret
password to be sent to the peer for PAP authentication, and specify three
MLPPP call destinations - XSR-Andover, XSR-Boston and XSR-Buffalo - on XSR-
To ro n to ’s Dialer interface 1. Spoofing is enabled by the
dialer map command.
XSR(config)#interface dialer 1
XSR(config-if<D1>)#encapsulation ppp
.
XSR-Andover
Switched
line
Switched
line
Switched
line
XSR-Toronto
XSR-Boston 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