Ospf dr election network types1/16/2024 Initially, each router has only its own LSA registered in its LSDB. In the following figure, four OSPF routers, R1 to R4, are connected on the Ethernet. Each OSPF router on the multi-access network will then eventually synchronize its LSDB.Ĭonsider a simple multi-access network example. In a multi-access network such as Ethernet, two or more OSPF routers may be connected. Synchronization of LSDB over Ethernet (multi-access network) This section explains in detail the mechanism of synchronizing LSDB on a multi-access network by DR. ![]() The OSPF router that is neither the DR nor the BDR in a multi-access network is the DROTHER. If the DR goes down, the BDR becomes the next DR. ![]() The DR is an OSPF router representing a multi-access network. Synchronization of LSDB over Ethernet (multi-access network)ĭR (Designed Router)/BDR (Backup Designated Router) is a router that is chosen to efficiently synchronize LSDB on a multi-access network such as Ethernet.
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