2.1 OSPF Filtering out stub network???
In 2.1 it states we need to filter out LSA's so they are not sent out stub networks. This question makes no sense to me. The answer has use filtering all LSA's out FA0/1 on R3. That interrace belongs to Area 0. What are they trying to show us here?
Rack1R3#sh ip ospf int br
Interface PID Area IP Address/Mask Cost State Nbrs F/C
Fa0/1 1 0 22.214.171.124/24 1 DR 0/0
Lo0 1 345 126.96.36.199/24 1 LOOP 0/0
Se1/1 1 345 188.8.131.52/29 781 BDR 1/1