Evil_TTL> show | s

OSPF Type 3 LSA Filtering

Category:Cisco Systems -> Routing and Switching

Method 1: Filter the inter-area routes generated at ABR

router(config)# router ospf 1
router(config-router)# area <area-id> filter-list prefix <prefix-name> <in | out> 

in — filtering into the defined area-id
out — filtering out of the defined area-id

Method 2: Filter the inter-area routes at ABR

router(config)# router ospf 1
router(config-router)# area <area-id> range <address> <mask> [advertise|not-advertise] [cost <cost>] 

area-id - area which contains the components of the network range

By privilege15