214 OSPF Area Types  Stub areas  Do not carry external routes  Virtual links cannot be configured across  Cannot contain ASBR  Totally stubby areas  Stub area that only receives the default route from the backbone  Not ‑ so ‑ stubby areas  Allows limited importing of external routes  Transit areas  Used to pass traffic from one adjacent area to the backbone, or to another area if the backbone is more than two hops away from an area
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