On demand routing (ODR)

1. Must turn on CDP for all routers; hence this routing protocol is Cisco proprietary. 2. Only works in hub and spoke topology. 3. Has a default administrative distance of 160. 4. Extremely easy to configure. 5. Makes default route easier to configure for every spoke to hub communication. The hub router actually advertises default … Continue reading On demand routing (ODR)


LSA types

1. Router LSA - This LSA is produced by every router. The LSA contains information of the router's connected interfaces, states, neighbour router type, any known ospf routers connected to the router's link and outgoing cost of each link. This LSA floods within its own area (intra-area flooding), hence this LSA describes intra-area route. 2. … Continue reading LSA types