Configuring all OSPF interfaces as passive

OSPF sends LSAs to all other routers in the same AS. To limit the flooding of LSAs throughout the AS, you can configure OSPF to be passive.


You must be in the router configuration context, as indicated by the switch(config-router)# prompt.

Configure all OSPF interfaces as passive using the following command. For command details, see passive-interface default.

passive-interface default

switch(config-router)# passive-interface default