From: Luan Nguyen (luan.m.nguyen@gmail.com)
Date: Thu Jan 10 2008 - 10:48:15 ARST
With IE, they only use one loopback, so setting the routerID or not, doesn't
really make a different. But with NMC, they use a lot of loopbacks, setting
the routerID really helps you out.
There is a problem with BGP sync. Say you have OSPF as IGP and need to
redistribute into BGP, then your OSPF rouer ID of the one advertising the
routes need to match the router ID of BGP. If not, sync will prevent the
BGP from making that the best routes. I've seen a scenario, from NMC, i
think, where you have to use the router ID of OSPF in one router as the
router ID of BGP in another one. Only one I've ever came across.
-lmn
On Jan 9, 2008 5:00 PM, Cielieska Nathan <ncielieska@gmail.com> wrote:
> All,
> In OSPF, DR/BDR Election removed.. is there ever a reason not to
> manipulate the router-id? I am moving through Labs but i find it
> cleaner to change the router-id on every router i touch to make
> things mentally "cleaner". I can also see it buying you some time on
> the Big Lab especially with Virtual Links.
>
> Again, if you account for the DR/BDR Election, is there a reason to
> not chronically change the router-id's?
>
> Regards,
> Nate
>
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