OSPF Routing Examples
Figure 29-2.
Backbone Router (BR)
A Backbone Router (BR) is part of the OSPF Backbone, Area 0. This includes all Area Border Routers
(ABRs). It can also include any routers that connect only to the Backbone and another ABR, but are only
part of Area 0, such as Router I in
Figure 29-2
above.
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