Designated Router

Hello

An OSPF router that creates LSAs for a multiaccess network and is required to perform other special tasks in OSPF operations. Multiaccess OSPF networks that maintain that maintain a minimum of two attached router identify one router that is choosen by the OSPF Hello protocol, Which makes possible a decrease in the number of adjacencies necessary on a multiaccess network. This in turn reduces the quantity of routing protocol traffic and the physical size of Database.