3Com Switch 7750 Configuration Guide Guide

310 CHAPTER 34: OSPF CONFIGURATION
Network diagram
Figure 71 OSPF virtual link configuration
Configuration procedure
# Configure SwitchA.
<SwitchA> system-view
[SwitchA] interface Vlan-interface 1
[SwitchA-Vlan-interface1] ip address 196.1.1.1 255.255.255.0
[SwitchA-Vlan-interface1] quit
[SwitchA] router id 1.1.1.1
[SwitchA] ospf
[SwitchA-ospf-1] area 0
[SwitchA-ospf-1-area-0.0.0.0] network 196.1.1.0 0.0.0.255
# Configure SwitchB.
<SwitchB> system-view
[SwitchB] interface vlan-interface 7
[SwitchB-Vlan-interface7] ip address 196.1.1.2 255.255.255.0
[SwitchB-Vlan-interface7] quit
[SwitchB] interface vlan-interface 8
[SwitchB-Vlan-interface8] ip address 197.1.1.2 255.255.255.0
[SwitchB] router id 2.2.2.2
[SwitchB] ospf
[SwitchB-ospf-1] area 0
[SwitchB-ospf-1-area-0.0.0.0] network 196.1.1.0 0.0.0.255
[SwitchB-ospf-1-area-0.0.0.0] quit
[SwitchB-ospf-1] area 1
[SwitchB-ospf-1-area-0.0.0.1] network 197.1.1.0 0.0.0.255
[SwitchB-ospf-1-area-0.0.0.1] vlink-peer 3.3.3.3
# Configure SwitchC.
<SwitchC> system-view
[SwitchC] interface Vlan-interface 1
[SwitchC-Vlan-interface1] ip address 152.1.1.1 255.255.255.0
152.1.1.1/24
196.1.1.2/24
Sw itc h A
1.1.1.1
Sw itc h B
2.2.2.2
Virtual
link
197.1.1.2/24
Area 2
Area 1
Area 0
Sw itc h C
3.3.3.3
197.1.1.1/24
196.1.1.1/24
152.1.1.1/24
196.1.1.2/24
Sw itc h A
1.1.1.1
Sw itc h B
2.2.2.2
Virtual
link
197.1.1.2/24
Area 2
Area 1
Area 0
Sw itc h C
3.3.3.3
197.1.1.1/24
196.1.1.1/24