3Com 3C13636 Configuration Manual page 1472

3Com Router 3000 Ethernet Family
Configuration Guide
II. Network diagram
bri0/0/0:20.0.0.1
RouterA
Figure 2-2 Network diagram for dynamic routing standby
III. Configuration procedure
1) Configure RouterA
# 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
[3Com-Bri0/0/0] dialer route ip 20.0.0.2 8810052
[3Com-Bri0/0/0] dialer route ip 40.0.0.1 8810052
# 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
[3Com-Serial1/0/0] quit
# 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
[3Com-ospf-1-area-0.0.0.0] quit
[3Com-ospf-1] quit
# Configure a dynamic routing standby group
[3Com] standby routing-rule 1 ip 40.0.0.1 255.0.0.0
# Assign the route on the dial interface with a priority lower than that of serial interface.
[3Com] interface Bri0/0/0
[3Com-Bri0/0/0] ospf cost 10
[3Com-Bri0/0/0] ospf network-type broadcast
# Apply the dynamic routing standby group onto the dial interface.
s1/0/0:10.0.0.1
ISDN
3Com Corporation
Chapter 2 Dynamic Routing Standby
loopback0:40.0.0.1
s1/0/0:10.0.0.2
bri0/0/0:20.0.0.2
RouterB
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