Enable EIGRP on the routers and add the network statements as you normally
would.. raise the administrative distance of EIGRP to 110, I believe IGRP
is 100 so even though both routing protocols are running on every router,
EIGRP routes will be rejected because IGRP has a lower admin distance..
Once the routers are ready, simply put the admin distance of EIGRP back to
90 and it should converge within a few mins.. Once the network is using
only EIGRP learned routes, remote IGRP off the routers.
hope that helps
Russ..
""Roberts, Timothy"" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
>
> I have a hub site with 5 remote sites connecting to it via frame relay.
> They are all running IGRP with the same AS. What would be the best way to
> migrate from IGRP to EIGRP? Starting by enabling EIGRP on the core router
> and run both IGRP and EIGRP. Then convert the spokes one by one. Then
> remove IGRP from the core. Can I just enable EIGRP on the remotes, allow
> some time to propagate routes in to the table, and then disable IGRP? The
> people up stairs will not allow for any significant down time.
> Thanks
>
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