Ospf Virtual Link Configuration Example - HP VSR1000 Configuration Manual

Authentication Sequence: [ 0 ]
Router ID: 2.2.2.2
State: 2-Way
DR: 192.168.1.1
Options is 0x02 (-|-|-|-|-|-|E|-)
Dead timer due in 35
Neighbor is up for 00:01:44
Authentication Sequence: [ 0 ]
Router ID: 3.3.3.3
State: Full
DR: 192.168.1.1
Options is 0x02 (-|-|-|-|-|-|E|-)
Dead timer due in 39
Neighbor is up for 00:01:41
Authentication Sequence: [ 0 ]
The output shows that Router A becomes the DR and Router C becomes the BDR.
The full neighbor state means an adjacency has been established. The 2-way neighbor state
means the two routers are not the DR or BDR, and they do not exchange LSAs.
# Display OSPF interface information.
[RouterA] display ospf interface
Area: 0.0.0.0
IP Address
192.168.1.1
[RouterB] display ospf interface
Area: 0.0.0.0
IP Address
192.168.1.2
The interface state DROther means the interface is not the DR or BDR.

OSPF virtual link configuration example

Network requirements
Configure a virtual link between Router B and Router C to connect Area 2 to the backbone area. After
configuration, Router B can learn routes to Area 2.
Mode: None
BDR: 192.168.1.3
sec
Mode: Nbr is Slave
BDR: 192.168.1.3
sec
OSPF Process 1 with Router ID 1.1.1.1
Interfaces
Type State
Broadcast DR
OSPF Process 1 with Router ID 2.2.2.2
Interfaces
Type State
Broadcast DROther
Address: 192.168.1.2
Priority: 0
MTU: 0
Address: 192.168.1.3
Priority: 2
MTU: 0
Cost Pri DR
1 100 192.168.1.1
Cost Pri
1 0
111
GR State: Normal
GR State: Normal
BDR
192.168.1.3
DR BDR
192.168.1.1 192.168.1.3