From: Wu, Jiang (wujiang@xxxxxxxxx)
Date: Wed Dec 13 2000 - 10:06:06 GMT-3
When using ios 12.0T, first "passive-interface default", then open those which
you need for a routing protocol. Without this feature, you must be careful with
all your interfaces that will be added to the router.
Regards,
----- Original Message -----
From: Ronnie Royston <RonnieR@globaldatasys.com>
To: <ccielab@groupstudy.com>
Sent: Wednesday, December 13, 2000 11:56 AM
Subject: Another one that I hope to spare all of you from
> I was asked to configure a couple of Apple tunnels. Simple enough. Took me
> over an hour.
>
> *Hint Especially when using RIP/IGRP, disable routing updates on the tunnel
> interfaces with the 'passive-interface tunnel x' command; otherwise, if you
> are as one-track-minded as I can be, you'll not get the Apple connectivity
> up and be convinced it's an Apple mis-configuration issue when in-fact
> you've started a routing loop and killed all IP connectivity to the tunnel
> destination. (I read that the tunnel interface is supposed to shut down in
> this situation - it didn't)
>
> I often surprise myself with how stupid I can be.
>
> I hope I save someone else from this pitfall.
>
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