Configuring Ospf Virtual Links - H3C S7500E Series Operation Manual

Operation Manual – IPv4 Routing
H3C S7500E Series Ethernet Switches
Note:
If the neighbor state is full, it means Switch D has established the adjacency with the
neighbor. If the neighbor state is 2-way, it means the two switches are neither the DR
nor the BDR, and they do not exchange LSAs.
# Display OSPF interface information.
[SwitchA] display ospf interface
Area: 0.0.0.0
IP Address
192.168.1.1
[SwitchB] display ospf interface
Area: 0.0.0.0
IP Address
192.168.1.2
Note:
The interface state DROther means the interface is not the DR/BDR.

3.9.5 Configuring OSPF Virtual Links

I. Network requirements
In Figure
Area to connect Area 2 to Area 0 via a configured virtual link between Switch A and
Switch B.
After configuration, Switch A can learn routes to Area 2.
OSPF Process 1 with Router ID 1.1.1.1
Interfaces
Type
Broadcast DR
OSPF Process 1 with Router ID 2.2.2.2
Interfaces
Type
Broadcast DROther
3-25, Area 2 has no direct connection to Area 0, and Area 1 acts as the Transit
State Cost Pri
1 100
State Cost Pri
1 0
3-56
Chapter 3 OSPF Configuration
DR BDR
192.168.1.1 192.168.1.3
DR BDR
192.168.1.1 192.168.1.3