From: Punchi-san (clapun@graduate.hku.hk)
Date: Sun Jun 29 2003 - 00:05:06 GMT-3
Hi Howard,
If OSPF is redistributed to EIGRP, can I say redistribution just import OSPF
routes into the EIGRP database. Those imported routes will be marked and
WILL NOT install in the local router regardless of the AD ?
regards,
alec
----- Original Message -----
From: "Howard C. Berkowitz" <hcb@gettcomm.com>
To: <ccielab@groupstudy.com>
Sent: Sunday, June 29, 2003 3:18 AM
Subject: Re: protocol redistribution and route installation
> At 12:17 AM +0800 6/29/03, Punchi-san wrote:
> >Hi group,
> >
> >Just want to clarify the concept of protocol redistribution :
> >
> >R1 has both OSPF and EIGRP running and a route is originally learned from
> >OSPF. If I redistribute the route from OSPF to EIGRP, why the OSPF route
> >still get installed into the routing table. Isn't that the default
admin.
> >distance of EIGRP less than OSPF ? The route did install in the EIGRP
> >topoloy database. Any hints appreciated.
> >
> >thanks
> >punchi-san
> >
>
> Some hints: think about why OSPF and ISIS install intra-area before
> inter-area before external.
>
> Does EIGRP have more than one AD, as does IGRP?
>
> Why would it be important which protocol originally learned the
> route? What could go wrong if other protocols seemed authoritative
> for the same route learned by redistribution?
>
> While it's not the reason for this specific behavior, consider the
> purpose of split horizon. That should give you insight.
>
>
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