R0106-HP MSR Router Series High Availability Configuration Guide(V7)

Figure 4 Network diagram

Configuration procedure

1. Assign IP addresses to interfaces, as shown in Figure 4. (Details not shown.)

2. Configure routes:

# On Router A, configure static routes to 192.168.2.0/24 through the primary and backup

interfaces.

<RouterA> system-view

[RouterA] ip route-static 192.168.2.0 24 serial 2/1/0

[RouterA] ip route-static 192.168.2.0 24 serial 2/1/1

# On Router B, configure static routes to 192.168.1.0/24.

<RouterB> system-view

[RouterB] ip route-static 192.168.1.0 24 serial 2/1/0

[RouterB] ip route-static 192.168.1.0 24 serial 2/1/1

3. On Router A, configure track settings:

# Configure track entry 1 to monitor the link state of Serial 2/1/0.

[RouterA] track 1 Serial 2/1/0

# Associate track entry 1 with the backup interface Serial 2/1/1.

[RouterA] Serial 2/1/1

[RouterA-Serial 2/1/1] backup track 1

[RouterA-Serial 2/1/1] quit

Verifying the configuration

# Verify that the backup interface Serial 2/1/1 is in STANDBY state while the primary link is operating

correctly.

[RouterA] display interface-backup state

IB Track Information:

S2/1/1 Track: 1 State: STANDBY

# Shut down the primary interface Serial 2/1/0.

[RouterA] interface serial 2/1/0

[RouterA-Serial2/1/0] shutdown

# Verify that the backup interface Serial 2/1/1 comes up after the primary link goes down.

[RouterA-Serial2/1/0] display interface-backup state

IB Track Information:

S2/1/1 Track: 1 State: UP