Re: distance for neighbor under eigrp

From: robert nowosadzki (rnowosadzki@yahoo.com)
Date: Mon Sep 22 2008 - 19:35:36 ART


With Eigrp you can only adjust distance for all external routes or none, meaning that you can't change distance for only some routes like in ospf. The command to do this is: distance eigrp 90 172.
This changes distance for all external to 172.

Hope this helps,

Robert

----- Original Message ----
From: Igor M. <imanassypov@rogers.com>
To: ccielab@groupstudy.com
Sent: Monday, September 22, 2008 3:14:35 PM
Subject: distance for neighbor under eigrp

After some lab testing (using IOS 12.4/12.4T on C2811 and C3745) I'm led
to believe that the command

distance <distance> <ip-address> <wildcard-mask> [ip-standard-acl |
ip-extended-acl | access-list-name]

applied in "router eigrp" works only for EIGRP-internal routes.
EIGRP-external routes always get the default EIGRP admin distance for
external routes, no matter if they match an ACL or neighbor IP in the
distance command.

However, I can't seem to find this behavior to be documented anywhere
(at least not in IOS 12.4 Config Guide or Command Reference Guide).

Can anyone shed light on this - is this by design, and if so, is there a
way to selectively apply AD values to external EIGRP routes?

I am aware of of the "distance eigrp" command, but this is not an
option, since I need to alter admin distance for specific external
routes only.

----------------------

I.M., M.Eng. P.Eng.

Network Architect

CI Investments

----------------------

Blogs and organic groups at http://www.ccie.net



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