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Forum Replies

  1. Hi Rene,

    On below config advertisement

    John(config)#router eigrp 1
    John(config-router)#no auto-summary 

    if i add below config on it

    John(config)#router eigrp 1
    John(config-router)#passive-interface loopback 0

    That means traffic for network and won’t pass on interface loop back 0 ?

  2. Hi Dani,

    I do you can find them here:


    Just checked and the site is up and running, my monitoring software also doesn’t report any downtime.


  3. Hi Taslim,

    There are a couple of parameters that have to match:

    • Authentication
    • AS Number
    • K values
    • Subnet
    You can also take a look at this post where I walk you through the most common issues with the EIGRP neigbor adjacency:

    EIGRP Neighbor Adjacency Troubleshooting


  4. Hi @wisamani,

    If you don’t supply a wildcard then EIGRP will assume you want the whole network to be advertised. Here’s an example:

    Router(config)#router eigrp 1
    Router(config-router)#no auto-summary 

    This is what is stored in the running config:

    Router#show run | begin router eigrp
    router eigrp 1
 falls under the class A range so that’s what EIGRP adds to the running config. If you don’t want this, you have to add a wildcard:

    Router(config)#router eigrp 1
    Router(config-router)#no network
    ... Continue reading in our forum

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