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area border router (ABR)

When routing with the OSPF protocol, there are different routers with dedicated functions. These include the Designated Router( DR), the Area Border Router ( ABR) and the Autonomous System Boundary Router( ASBR).

The Area Border Router (ABR) is a router that connects one or more OSPF, Open Shortest Path First, areas to the backbone network. An ABR router has at least one interface in a routing area and one to the backbone network. ABR routers perform routing interface functions between a given area and the backbone area.

Informations:
Englisch: area border router - ABR
Updated at: 24.03.2020
#Words: 84
Links: routing, open shortest path first (Routing) (OSPF), protocol, designated router (DR), available bit rate (ATM) (ABR)
Translations: DE
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