Suppress Routing Updates on a Specified Interface

1. Type.

   SEFOS# configure terminal
   SEFOS(config)# router ospf
   SEFOS(config-router)# router-id 10.10.2.1
   SEFOS(config-if)# passive-interface vlan 1
   

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
   Transmit Delay is 1 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
   No Hellos (Passive interface)
   Neighbor Count is 0, Adjacent neighbor count is 0