The standard term in OSPF for a router connecting the backbone area (Area 0) to a non-backbone area is "area border router" (ABR). It maintains separate LSDBs for each area and performs summarization. "Area boundary router" is similar but not the standard term; ASBR connects to external AS; backbone router is in Area 0. Exact extract: Go to Network > OSPF. · Set Router ID to 10.11.101.1. · In the Areas table, click Create New and set the following: Area ID. 0.0. · Click OK. · In the Networks ... A router connected to more than one area is an area border router (ABR). An autonomous system boundary router (ASBR) is located between an OSPF autonomous ... This article describes the basic steps to configure FortiGates in an OSPF scenario where the FortiGates will be ABR and ASBR OSPF routers across 3 areas. OSPF areas are groupings of OSPF routers or logical parts of a network. An area's routing information can be sent as a summary to other areas. This article describes that routes learned from the other OSPF areas will be removed on the ABR router when it has multiple areas and has no backbone ...
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