[c-nsp] changing from ospf to eigrp

Whisper whisper555 at gmail.com
Fri Apr 4 22:00:15 EDT 2008


So long as the OSPF network remains intact until the EIGRP network is up and
running, OSPF should effectively operate as a backup route in the cases
where EIGRP has no route, correct?

It'd it be like running a floating static route, except your using a dynamic
routing protocol, wouldn't it?

On Sat, Apr 5, 2008 at 10:52 AM, Jeremy Stretch <stretch at packetlife.net>
wrote:

>  > Can I run both at the same time?
>
> If you do, you may want to consider tweaking the administrative
> distances until EIGRP has been fully implemented across the network.
> Remember, by default EIGRP has an AD of 90 (internal) and OSPF of 110,
> so EIGRP-learned routes will be preferred. This has the potential to
> cause problems if EIGRP is misconfigured or only partially enabled
> during migration.
>
> stretch
> http://www.packetlife.net/
>
> Dan Letkeman wrote:
> > Hello,
> >
> > I would like to change our layer 3 switches from ospf to eirgrp.  Is
> > there a way I can accomplish this on a live system without causing
> > problems?  Can I run both at the same time?
> >
> > Thanks,
> > Dan.
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> >
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