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designated router
(1) A router that informs end nodes of the existence and identity of other routers. The selection of the designated router is based upon the router with the highest priority. When several routers share the highest priority, the router with the highest station address is selected.
(2) In a multiaccess OSPF network that has at least two attached routers, a router that is responsible for generating link-state advertisements (LSAs) for the entire multiaccess network and determines which routers should become adjacent. A designated router is elected by other routers using the Hello Protocol. See also backup designated router.
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