RE: An EIGRP Summary-Address not advertised to neighbors

From: Eric Hoffman (Ehoffman@comproinc.com)
Date: Wed Sep 11 2002 - 16:23:02 GMT-3


Hello,

'ip summary-address eigrp 1 172.16.0.0 255.255.252.0'.

Is number 1 your autonomous system for that router? This could be something
else to check, as well as Brian's suggestion...

The x in the command 'ip summary-address eigrp x' has to be the same
autonomous number, that runs on that router, which you are trying to use the
summarization command on.

HTH,
Eric
-----Original Message-----
From: Brian McGahan [mailto:brian@cyscoexpert.com]
Sent: Wednesday, September 11, 2002 3:11 PM
To: 'Young K. Bae'; ccielab@groupstudy.com
Subject: RE: An EIGRP Summary-Address not advertised to neighbors

Young,

        Do you have auto-summary disabled?

Brian McGahan, CCIE #8593
Director of Design and Implementation
brian@cyscoexpert.com

CyscoExpert Corporation
Internetwork Consulting & Training
http://www.cyscoexpert.com
Voice: 847.674.3392
Fax: 847.674.2625

> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> Young K. Bae
> Sent: Wednesday, September 11, 2002 1:51 PM
> To: ccielab@groupstudy.com
> Subject: An EIGRP Summary-Address not advertised to neighbors
>
> Hello,
>
> There are three loopbacks on R2 with addresses 172.16.1.1, 172.16.2.1,
and
> 172.16.3.1, with a mask of /24. I have a summary-address configured
on
> both
> R2's interfaces, a serial connection to R1 and an Ethernet connection
to
> R3
> and R4, with a statement 'ip summary-address eigrp 1 172.16.0.0
> 255.255.252.0'. The R2 router sees all other routers as neighbors,
but
> it's
> not advertising the /22 summary route to its neighbors. What could be
> wrong? Please let me know if you need more info.
>
> R1 ----- R2
> |
> |
> R3 |------------| R4
>
> Thanks in advance,



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