The MPLS-OPS Archive

[Ajay Simha <asimha@cisco.com>]

On Wed, 14 Aug 2002, Yinglam Cheung wrote:

>YC:We have done this for quite a few large customers running EIGRP in their
>YC:networks.
>YC:You may want to check if there is any backdoor issues within customer
>YC:network. In some case, customer has a backdoor between two sites, and the
>YC:backdoor is preferred over the MPLS network because the internal EIGRP
>YC:routes (AD: 90) is preferred over the external EIGRP routes (AD: 170)
>YC:redistributed from EBGP no matter what metric it is. You could adjust this
>YC:on the CE.
>YC:Other issues are like asymetric routing. Customers may not get the paths
>YC:they like (not necessary the best path) especially when you have route
>YC:reflector in place in MPLS network. Of course you can customize  your
>YC:network design to meet customer needs.
>YC:One more thing you can check with Cisco is that, when they are going to
>YC:support EIGRP over PE-CE?

Yes it is supported in 12.0(22)S:

http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/relnote/7000fam/rn120s.htm#xtocid12

-ajay
>YC:
>YC:best regards,
>YC:Yinglam (Raymond) Cheung
>YC:Double CCIE #6961
>YC:Senior Network Engineer
>YC:Schlumberger Network Infrastructure Solutions
>YC:Tel: 1 (713) 513-3285
>YC:Cell:1 (832) 274-0126
>YC:
>YC:-----Original Message-----
>YC:From: Vergara, Hugo [mailto:Hugo.Vergara@getronics.com]
>YC:Sent: Monday, August 12, 2002 2:49 PM
>YC:To: mpls-ops@mplsrc.com
>YC:Cc: Salcedo, Martin; Castaneda, Vicente
>YC:Subject: [MPLS-OPS]: Problems with Redistribution EIGRP into BGP
>YC:
>YC:
>YC:Hi Team,
>YC:
>YC:I have a Network Internal with EIGRP ( Cisco Equipment), My customer wants
>YC:to connect to MPSL Network ( By Alestra AT&T), As you know only four
>YC:protocols could be used to connect to MPLS Network ( RIPv2, Static Route,
>YC:OSPF and BGP ). Alestra said us that We used BGP.
>YC:
>YC:The topology is the next:
>YC:
>YC:
>YC:        ------------------------------------
>YC:                -----------                         -------------
>YC:/
>YC:
>YC:                 -----------------                   -----------------------
>YC:-
>YC:               /           /                       /             /
>YC:/                                   /                   /                /
>YC:/                     /
>YC:	   /           / --------------------- /             /---------------- /
>YC:/------------------ /                /------------------ /
>YC:/
>YC:               /           /                       /             /  E-BGP
>YC:/                                   /   E-BGP      /                /
>YC:/                    /
>YC:                -----------                         -------------
>YC:/
>YC:
>YC:              ----------------                     ---------------------
>YC:
>YC:       -------------------------------------
>YC:
>YC:       EIGRP Network                        CE-1
>YC:MPLS Network	                        CE-2			EIGRP Network
>YC:								AT&T
>YC:
>YC:
>YC:We set E-BGP between CE and the MPLS Network, We have 15 CE around the MPLS
>YC:Network.
>YC:The VPN´s  works fine, Beacuse all the CE´s look on the VPN. But some routes
>YC:the router doesn´t updates in some routers.
>YC:
>YC:We redistribuit EIGRP into BGP, so we think that the problem is for
>YC:redistribution from EIGRP to BGP.....
>YC:
>YC:Do you have some example or tip ????
>YC:Did somebody have the same case or problem ?????
>YC:
>YC:
>YC:
>YC:Hugo Vergara Trejo
>YC:Network Engineer
>YC:Service Providers
>YC:
>YC:Getronics México
>YC:
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