06-25-2005 08:09 AM - edited 03-02-2019 11:12 PM
I am trying to configure mutual redistribution on a central router that has one serial connection to another router running EIGRP and off the central router I have another serial connection to a router that is runnning ISIS (there are only these two connections to the central router). My question is after I configure both ISIS and EIGRP to reidtribute with each other do I need to redistribute connected interfaces also?
06-25-2005 11:27 AM
If there are subnets on the central router that you want advertised in both routing protocols then I would suggest you enable both routing protocols on these subnets. If the subnet is not connected to a router running EIGRP (or ISIS), it would make sense to configure the interface as passive for the specific routing protocol.
Let's say that se1/0 is the interface connected to the router running EIGRP and se2/0 is the interface connected to the one running ISIS. You would enable EIGRP for se1/0 and se2/0 and configure passive-interface se2/0 under the EIGRP process. On the other hand, you would configure ISIS on both se1/0 and se2/0 and configure passive-interface se1/0 under the ISIS process.
Hope this helps,
06-25-2005 12:00 PM
That does help but the problem actually stems from a simulation on an exam I currently failed and now I have two solutions and I dont know which one is acceptible for the exam. The oher answer I got was under the EIGRP process enter the command "redistribute connected".
06-25-2005 12:53 PM
The redistribute connected option would need to be applied to both routing protocol in this case. Then again without knowing the details of the test you took it is hard to be sure if that is what they are looking for.
BTW: I usually prefer the option I suggested since the routes are seen as internal by the respective routing protocols as opposed to external when the redistribute connected option is used.
Hope this helps,
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