Configuring Ospf Virtual Link - Huawei Quidway S5600 Series Operation Manual

Operation Manual – Routing Protocol
Quidway S5600 Series Ethernet Switches-Release 1510
will be the BDR (with a priority of 100). Shutting down and restarting all of the switches
will bring about a new round of DR/BDR selection.

4.9.2 Configuring OSPF Virtual Link

I. Network requirements
As shown in Figure 4-4, Area 2 and Area 0 are not directly interconnected. It is required
to use Area 1 as a transition area for interconnecting Area 2 and Area 0. Correctly
configure a virtual link between SwitchB and SwitchC in Area 1.
II. Network diagram
Area 0 Area 0
Area 1 Area 1
Figure 4-4 OSPF virtual link configuration
III. 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
Sw itch A Sw itch A
1.1.1.1 1.1.1.1
196.1.1.1/24 196.1.1.1/24
196.1.1.2/24 196.1.1.2/24
Sw itch B Sw itch B
197.1.1.2/24 197.1.1.2/24
2.2.2.2 2.2.2.2
Virtual Virtual
link link
Sw itch C Sw itch C
3.3.3.3 3.3.3.3
Huawei Technologies Proprietary
197.1.1.1/24 197.1.1.1/24
152.1.1.1/24 152.1.1.1/24
Area 2 Area 2
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Chapter 4 OSPF Configuration