3Com Switch 7750 Configuration Guide

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324 CHAPTER 34: OSPF CONFIGURATION

Network diagram

Figure 74 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 1

[SwitchB-Vlan-interface1] ip address 196.1.1.2 255.255.255.0

[SwitchB-Vlan-interface1] quit

[SwitchB] interface vlan-interface 2

[SwitchB-Vlan-interface2] 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

Device Interface IP address Router ID

Switch A Vlan-int1 196.1.1.1/24 1.1.1.1

Switch B Vlan-int1 196.1.1.2/24 2.2.2.2

Vlan-int2 197.1.1.2/24

Switch C Vlan-int1 152.1.1.1/24 3.3.3.3

Vlan-int2 197.1.1.1/24

Area 0

Switch A

Switch C

Switch B

Vlan-int1

Area 1 Virtual link

Area 2

Vlan -int 2

Vlan-int2

Vlan-int1