OSPF virtual link configuration (with a simple can do)

Experimental topology

Experimental tool

GNS3

Experimental Procedure

1. Open GNS3, build the topology map device

2. Enter R1, provided the interface IP, OSPF protocol opening

3. Enter R2, set the interface IP, OSPF protocol opening

4. Enter R3, set the interface IP, OSPF protocol opening

5. Go to R4, set the interface IP, OSPF protocol opening

6. Enter R2, open virtual link

7. Enter R3, open virtual link

8. Set PC1, PC2 of IP

9. Verify

10. Verify success