CCNP Route FAQ: OSPF Route Summarization, Filtering, and Default Routing Q1. Router B1, an internal router in area 1, displays the following output. The only two ABRs connected to area 1 are performing Type 3 LSA filtering. Which of the following answers is true based on the information in the output from B1? R1# show ip route 10.1.0.0 255.255.0.0 longer-prefixes ! Legend … [Read more...]