You can't set the AD on an external route.  You have to globally change the
value is the only option.

 

Regards,

 

Tyson Scott - CCIE #13513 R&S, Security, and SP

Managing Partner / Sr. Instructor - IPexpert, Inc.

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From: [email protected]
[mailto:[email protected]] On Behalf Of Adrian Brayton
Sent: Saturday, May 29, 2010 6:07 PM
To: Morgan Charpentier
Cc: [email protected]
Subject: Re: [OSL | CCIE_RS] RE : Setting AD depending on source

 

Sorry about that! 

 

You know that is a very good question! I have been messing with that for a
little bit and I can not figure that one out! There's got to be a way!

 

 

On May 29, 2010, at 5:13 PM, Morgan Charpentier wrote:





Maybe my question was not clear, it was about external EIGRP route. For
internal route I agree with you Adrian.

 

But for external it doesn’t seem to work :

In your example if 10.1.1.0/24 is an external eigrp route the distance
command has no effect, it stay with AD170. I labed it on dynamips IOS
12.4(15)T,.

 

 

 

 

-----Message d'origine-----
De : Adrian Brayton [mailto:[email protected]] 
Envoyé : samedi 29 mai 2010 19:41
À : Morgan Charpentier
Cc : [email protected]
Objet : Re: [OSL | CCIE_RS] Setting AD depending on source

 

Thats easy...

 

access-list 1 permit 10.1.1.0 0.0.0.255

 

router eigrp 1

 

distance 210 "x.x.x.x x.x.x.x. (source)" 1 - The one matching the acl

 

So from this source, set a distance of 210 on this route!

 

 

 

On May 29, 2010, at 1:34 PM, Morgan Charpentier wrote:






 

Hello,

 

It seems that setting distance depending on who is sending the update is
acting differently on ospf or eigrp.

 

The command : distance XX 10.0.0.2 0.0.0.0

 

In ospf :  The command will set a distance of XX for intra-area, inter-area
and external routes. Even if we use ‘distance ospf’ to se different distance
depending on routes.

 

In eigrp : The command will set a distance of XX only for internal routes.
The external routes coming from 10.0.0.2 will remain with a default ext
distance of 170 (or the one set with ‘distance eigrp’)

 

Quite confusing because in eigrp we can’t play on the external AD on
per-source basis, it need to be changed for all eigrp external routes on the
router.

 

Does someone have a way to change external AD per source or per route with
EIGRP ?

 

Thanks

Morgan

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