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66.
What types of routes are allowed into a totally stubby area?
OSPF intra-area routes and a default route. OSPF inter area and external routes are not advertised into a totally stubby area.
67.
What types of routes are allowed into a NSSA?
OSPF intra-area and inter area routes, and possibly a default route. External routes from ABRs are blocked, and external routes from ASBRs are converted to Nl or N2 routes.
68.
What types of routes are allowed into a totally NSSA?
OSPF intra-area routes and a default route. External routes from ABRs are blocked, and external routes from ASBRs are converted to Nl or N2 routes.
69.
What is the difference between an El and E2 OSPF route?
An El route contains the OSPF cost to reach the ASBR plus the cost from the ASBR to the external route. An E2 route contains only the cost from the ASBR to the external route.
70.
What are the three types of OSPF routers?
ABR, internal router, and ASBR.