In this video cheat sheet, I will be configuring OSPF NSSA Totally Stub. I will start off with the baseline show command, “show IP OSPF” to display general information about OSPF routing processes. Then I am going to enable a debug command of “debug IP OSPF adjacency” to see how things unfold as I configure the NSSA Totally Stub. Finish with the same baseline command “show IP route” to see what changed.