From: Tony Schaffran (groupstudy@cconlinelabs.com)
Date: Fri Feb 11 2005 - 14:11:30 GMT-3
Correct.
Your LAN will be unreachable from Router A or B because of the lower EIGRP
AD.
Tony Schaffran
Network Analyst
CCIE #11071
CCNP, CCNA, CCDA,
NNCDS, NNCSS, CNE, MCSE
www.cconlinelabs.com
Your #1 choice for online Cisco rack rentals.
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Tom
Young
Sent: Friday, February 11, 2005 9:07 AM
To: Lee Donald; ccielab@groupstudy.com
Subject: RE: routing problem
The question is my imagination. I want to know whether my
imagination is right . If I don't change the eigrp and bgp
's AD, does the loop will happen ?
Thanks
--- Lee Donald <Lee.Donald@t-systems.co.uk> $B$+$i$N%a%C%;(B
$B!<%8!'(B
> Alter the AD for the eigrp externals using
> route-maps or distance etc.
>
>
>
>
> -----Original Message-----
> From: Tom Young [mailto:gitsyoung@yahoo.co.jp]
> Sent: 11 February 2005 16:52
> To: ccielab@groupstudy.com
> Subject: routing problem
>
> Hi, group
>
> A simple network as below,
> RouterA--------RouterB------RouterC--(LAN).
>
> EIGRP was run between router A and B.
> BGP was run between router B and C.
>
> Redistributing the BGP into EIGRP was done on
> RouterB so
> that RouterA could get RouterC's routing infomation.
> The
> problem is external eigrp's AD is 170 and IBGP is
> 200. So,
> as a result, RouterC's routing table on RouterB will
> be
> marked as EIGRP. If the RouterB want to communicate
> with
> a PC on RouterC's LAN side, it will send the packet
> to
> router A, because router A makes EIGRP area with
> router B.
> But RouterC will return the pactet back to RouterB
> because
> the next hop for RouterC is Router B. And so on
> untill the
> loop down.
> Did I think right? How can I solve the problem?
>
> Thanks
>
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