• Launch the lab below to jump into hands-on practice!
    Read the lab objective, configure until everything works as expected, and you'll get your validation flag.

    OSPF summarization lab: R1 with 10.1.12.0, .4, .8 and .12 /30 in Area 1, ABR R2, and R3 in Area 0 (Backbone)

    Figure 1 - OSPF Summarization Topology

    Answer the question below

    Enter the flag you obtained.