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Forum Replies

  1. First of Congratulation Rene...for ur CCIE Number.. U deserve it. The lab u post & the way u write article in most simple form is simply amazing. Why don't u start writing books for CCIE R&S TS.. I would love to hv one in my collection. Wish u all the success. I m a fan of ur blog who is chasing the dream of CCIE R&S.

  2. thanks it so hard to get any information when your studying for a ccnp all by yourself and I'm not in an i.t. job yet keep up the good work

  3. Hi Kandhla,

    It's up to the network engineers / ISPs but there is one key difference between AS path prepending and MED:


    • When you use AS path prepending, it will show up at your neighbor AS and all other ASes behind them.

    • When you use MED, it will show up at your neighbor but NOT at any AS behind them.

    Rene

  4. Errata:
    MED (also called metric) is exchanged between autonomous systems and you can use it to let the other AS know which path they should use to enter your AS. R2 is sending a MED of 200 towards AS 3. R3 is sending a MED of 300 to AS 3. AS 3 will prefer the lower metric and send all traffic for AS 1 through AS 1. <------- R2

  5. late reply but thanks, it is fixed.

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