Disable a Demand Extension

This example disables demand extensions on SEFOS1 (router 10.0.0.1).

1. Enter Global Configuration mode in SEFOS1.

   SEFOS# configure terminal
   

2. Enable OSPF globally in the switch SEFOS1.

   SEFOS(config)# ipv6 router ospf
   

3. Configure the OSPF router ID.

   SEFOS(config-router)# router-id 10.0.0.1
   

4. Disable the demand-extension.

   SEFOS(config-router)# no demand-extensions
   

5. Exit Router Configuration mode.

   SEFOS(config-router)# end
   

6. View the result of the configuration.

   SEFOS# show ipv6 ospf interface vlan 11
    
           Ospfv3  Interface  Information
    
   Interface Name: vlan11      Interface Id: 41    Area Id: 0.0.0.0
   Local Address: fe80::214:4fff:fe6c:628f         Router Id: 10.0.0.1
   Network Type: BROADCAST     Cost: 1             State: DR
   Designated Router Id: 10.0.0.1      local address: fe80::214:4fff:fe6c:628f
   Backup Designated Router Id: 10.0.0.2      local address: fe80::214:4fff:fe6c:d04d
   Transmit Delay: 1 sec        Priority: 1         IfOptions: 0x0
   Timer intervals configured:
   Hello: 10, Dead: 40, Retransmit: 5, Poll: 120
   Demand Circuit: Disable            Neighbor Probing: Disable
   Nbr Probe Retrans Limit: 10        Nbr Probe Interval: 120
   Hello due in 6 sec
   Neighbor Count is: 1
   Adjacent with neighbor 10.0.0.2