The MPLS-OPS Archive

["Abidin Kahraman" <abidin.kahraman@sabancitelekom.com>]

Juan,

You can use BGP as well for your PE to CE connection, but its not necessary if you don't have requirement for this.

Abidin.

-----Original Message-----
From: Juan Romo [mailto:jromo@utstar.com] 
Sent: 24 Kasım 2003 Pazartesi 14:07
To: Abidin Kahraman
Cc: Aleksandar Dzambaski; mpls-ops@mplsrc.com
Subject: Re: [MPLS-OPS]: IP VPN over MPLS backbone

Abidin,

One way I have seen this done is to have bgp between CE/PE and 
redistribute CE static routes into bgp.  
ce   --------- pe ---[network] --- pe --- ce
CE side:
=====
ebgp (ce-pe peers)
redistribute static (bgp)

Thanks,
--- Juan ---



Abidin Kahraman wrote:

>Hi,
>
>There are some answers for your 1st question, I would like to give you some opinion about your backup ISDN circuits. You can ask your SP for L2TP or L2F tunneling solution over LNS. Thus they can put your ISDN routes into your specific VRF.
>
>Regards,
>
>Abidin. 
>
>-----Original Message-----
>From: Aleksandar Dzambaski [mailto:dzambo@mt.net.mk] 
>Sent: 19 Kasım 2003 Çarşamba 11:51
>To: mpls-ops@mplsrc.com
>Subject: [MPLS-OPS]: IP VPN over MPLS backbone
>
>Hi,
>
>I currently have a Frame Relay network with central site and 22 remote
>locations, coupled with ISDN backup. The system works fine, but now our
>telecom provider has new service.
>
>
>
>They have MPLS backbone, and they are offering IP VPN connections as a
>replacement for our current network.
>
>
>
>I spent several days in research for this new opportunity and I see that
>obviously this is a better offer. We will start a test period in which we
>are supposed to connect several locations just to compare with the Frame
>Relay.
>
>
>
>Now here are the questions:
>
>1. I have problem with understanding the configuration of the customer
>(mine) router. I have read many papers about configuring the PE and P
>routers in the MPLS backbone, and the PE interface to the CE router, but I
>haven't found a paper describing the configuration of the CE interface to
>the PE router, nor I have found an example of it. Can someone point me or
>explain the configuration of the IP VPN interface. Are there any examples of
>it or comparison with the Frame Relay configuration?
>
>
>
>2. The current situation is with ISDN backup lines which are configured with
>static routes and Frame Relay end-to-end keepalive parameters. This
>eliminates using dynamic routing protocols (ex. RIP, OSPF...). Regarding the
>previous question and this statement, are there any possibilities of keeping
>the static routing or should we definitely turn to a dynamic routing
>protocol.
>
>
>
>Best regards,
>
>Aleksandar
>
>
>
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