• 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.

    Totally stubby area lab topology: R1 to R4 across OSPF areas 1, 0 and 2, with an external AS attached to R1

    Figure 1 - Totally Stubby Area Topology

    Answer the question below

    Enter the flag you obtained.