A Journey Ends, Another B ...
    16 November 08

    A Journey Ends, Another Begins, Part 2

    Posted byINE

    Part 2 - The Arrival

    Andrew Spruce emerged from the fourth floor elevator and checked the sign ahead for his room number.

    He had taken the advice of many of his peers and he was in Raleigh, North Carolina two full days prior to his lab attempt. The plan was to study for the remainder of the evening, and then have a relaxing, casual, non-study kind of day tomorrow.

    Minutes later, Andrew stared at the status screen for his Airport wireless connection. Sure enough, 7 PM local time meant every occupant of the hotel was busy pummeling the hotel's Internet WAN link. Andrew grimaced as he realized once again how he had totally blown it when he had not purchased his own wireless broadband service and USB card.

    Thank Heavens for Dynamips, thought Andrew as he opted for local router emulation practice.

    The plan for the evening was Multicast. Andrew wanted to run through some more practice and verifications on the core multicast infrastructure.

    It was truly amazing how much easier Multicast had become since he had adopted the strategies drilled by Internetwork Expert.

    It turned out, the Multicast section needed to be approached like the overall exam itself. There would most likely be a diagram required, a core infrastructure section, and then "optional", non-core configurations to be made against the core.

    For this evening, Andrew decided to build his own, complex underlying Frame Relay hub and spoke topology running OSPF. On top of this, he would build and verify a dense mode PIM infrastructure. He would then remove it and try sparse-dense. He would then remove that and try another.

    Wow! What a fun night!

    It was then that Andrew realized the error in his sarcastic thought! Hey, he was actually having fun! He was about to practice his least favorite topic, and it was enjoyable! Even bordering on exciting!

    Hmmm, maybe this was a sign that something would be different this time.

    To ensure he got the most out of the evening's practice, Andrew made a quick list of those infrastructures he wanted to build and test:

    • Dense Mode
    • Sparse-Dense Mode with static RP
    • Sparse Mode using Auto-RP
    • Sparse Mode using BSR

    To Be Continued...

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