3Com 3C13636 Configuration Manual page 1473

3Com Router 3000 Ethernet Family
Configuration Guide
[3Com-Bri0/0/0] standby routing-group 1
2) Configure RouterB
# Configure a dialer ACL.
[3Com] dialer-rule 1 ip permit
# Configure dial parameters on the BRI 0/0/0 interface.
[3Com] interface bri 0/0/0
[3Com-Bri0/0/0] ip address 20.0.0.1 255.0.0.0
[3Com-Bri0/0/0] dialer enable-circular
[3Com-Bri0/0/0] dialer-group 1
# Configure Serial1/0/0.
[3Com-Bri0/0/0] interface serial 1/0/0
[3Com-Serial1/0/0] ip address 10.0.0.1 255.0.0.0
# Configure interface Loopback 0.
[3Com-Serial1/0/0] interface loopback0
[3Com-Loopback0] ip address 40.0.0.1 255.0.0.0
# Enable OSPF.
[3Com] ospf
[3Com-ospf-1] area 0
[3Com-ospf-1-area-0.0.0.0] network 10.0.0.0 0.0.0.255
[3Com-ospf-1-area-0.0.0.0] network 20.0.0.0 0.0.0.255
# Assign the route on the dial interface with a priority lower than that of serial interface.
[3Com-Bri1/0/0] ospf cost 10
[3Com-Bri1/0/0] ospf network-type broadcast
# Configure a dynamic routing standby group.
[3Com] standby routing-rule 1 ip 40.0.0.1 255.0.0.0
# Apply the dynamic routing standby group onto the dial interface.
[3Com-Bri1/0/0] standby routing-group 1
# Configure dial parameters on the BRI 1/0/0 interface.
[3Com] interface bri 1/0/0
[3Com-Bri1/0/0] ip address 20.0.0.2 255.0.0.0
[3Com-Bri1/0/0] dialer enable-circular
[3Com-Bri1/0/0] dialer-group 1
# Configure Serial1/0/0.
[3Com-Bri1/0/0] interface serial 1/0/0
[3Com-Serial1/0/0] ip address 10.0.0.2 255.0.0.0
# Configure the interface Loopback0.
[3Com-Serial1/0/0] interface loopback0
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Chapter 2 Dynamic Routing Standby