We're Sorry, Full Content Access is for Members Only...

If you like to keep on reading, Become a Member Now! Here is why:

  • Learn any CCNA, CCNP and CCIE R&S Topic. Explained As Simple As Possible.
  • Try for Just $1. The Best Dollar You've Ever Spent on Your Cisco Career!
  • Full Access to our 642 Lessons. More Lessons Added Every Week!
  • Content created by Rene Molenaar (CCIE #41726)

470 Sign Ups in the last 30 days

100% Satisfaction Guaranteed!
You may cancel your monthly membership at any time.
No Questions Asked!

Tags: ,

Forum Replies

  1. Hi Rene

    Got a couple of questions - firstly after a while you stopped using the acronym LFA and used LSA instead - are they in fact the same thing? (I keep thinking of the completely unrelated Link State Advertisment when I read that!)

    “When you have multiple possible LSAs, fast reroute has to select one LSA. EIGRP will not just select the “best” (lowest metric) feasible successor but uses some “tie-breakers” to select the best LSA. When you use per-prefix LSA, we have these four attributes:”

    Also, is the tiebreaker “Lowest repair path metric” effectively just

    ... Continue reading in our forum

  2. Hi Rene and staff,
    just adding another comment
    I noted in some blogs that sub-interfaces are considered disjointed interfaces by the FRR process
    I don’t know if it is true for all IOS (but it seems true for IOS-XE)
    I think that it is interesting to point this out (to be verified in new labs with various flavors of IOS ?)

  3. Hi,
    yes helpful, thanks
    Waiting for your response i closed my GNS3 lab
    When i restarted the lab, R1 gives me this output


    As you can see, R3 became the repair path (instead of R4) as i just closed and restarted the lab
    I don’t understand why this happened, but now this is correct with the theory: R3 is the repair path because of its better metric, and R1 does not know that R2 and R3 are on the same multi-access segment
    But with my platform / IOS, i cant se

    ... Continue reading in our forum

  4. Hello Dominique

    Sometimes GNS3 can behave in this way. It does occasionally occur where some behaviour is strange, but a reboot or a restart of the lab brings about the expected results. Sometimes it just “gets stuck”. It’s one of the quirks of GNS3 that we have to live

    ... Continue reading in our forum

3 more replies! Ask a question or join the discussion by visiting our Community Forum