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OSPF Area and Router Types Explained by Ng Bao Wen is a document available to read on EtoBox.

OSPF groups routers and links into logical areas. Area 0 is the backbone area that connects all other areas. Normal areas can accept intra, inter, and external routes while stub areas only allow intra-area and default routes. Not-so-stub areas allow importing some external routes. OSPF defines router types like internal, backbone, ABR, and ASBR and route types including intra-area, inter-area, external, and NSSA external. The preferred route decision order is intra-area, inter-area, external type 1, and ext

Author

Ng Bao Wen

Language

EN