Configure the Demand Circuit

This procedure enables OSPF to treat the specified interface as an OSPF demand circuit.

1. Configure VLAN 1 as OSPF demand circuit.

   SEFOS(config-if)# ip ospf demand-circuit
   

2. Examine the configuration details.

   SEFOS# show ip ospf interface vlan 1
    
   vlan1 is line protocol is up
     Internet Address 10.4.0.1, Mask 255.255.0.0, Area 0.0.0.0
     AS 1, Router ID 10.10.2.1, Network Type BROADCAST, Cost 1
     Configured as demand circuit.
     Run as demand circuit.
     Transmit Delay is 5 sec, State 2, Priority 1
     No designated router on this network
     No backup designated router on this network
     Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
     Hello due in 4 sec
     Neighbor Count is 0, Adjacent neighbor count is 0