• 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 filtering lab: R1 with four 10.1.12.x/30 networks in Area 1, ABR R2, and R3 in Area 0 via 10.0.23.0/30

    Figure 1 - OSPF Filtering Lab Topology

    Answer the question below

    Enter the flag you obtained.