OSPF

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  • OSPF over Frame-Relay - Part 4: Point-To-Multipoint

    Posted August 10, 2009 - 5:12 pm

    Point-to-multipoint OSPF network type over frame-relay is what I like to call the "cheater method". Why?

  • OSPF over Frame-Relay - Part 3: Point-To-Point

    Posted August 8, 2009 - 12:23 pm

    In our last two installments we looked at the non-broadcast and broadcast network types for OSPF over frame-relay. In this article we will be taking a look at the point-to-point network type. One thing I always remember regarding frame-relay and OSPF is that a network type of "point-to-ANYTHING" does NOT have a DR/BDR.

  • OSPF over Frame-Relay - Part 2: Broadcast

    Posted August 5, 2009 - 10:32 am

    In part I of our series, we looked at the default OSPF network type on frame-relay (non-broadcast). This begs the question of "OK we know non-broadcast, now what about broadcast?" Excellent, let's get started!

  • OSPF over Frame-Relay – Part 1: Non-Broadcast

    Posted August 3, 2009 - 2:52 pm

    OSPF is a topic that must be absolutely mastered for the CCIE lab exam. Many students understand the fundamental concepts, but get thrown for a loop when it comes to OSPF running over a frame-relay topology. There are so many different network types and variations, that it can quickly become confusing.
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