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Cell Relay Retreat>MPLS-OPS Archive>month:2001-Aug> msg00183



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Re: about LSP failure

  • From: Robert Raszuk <raszuk@cisco.com>
  • Date: Fri, 17 Aug 2001 04:55:05 -0700
  • CC: mpls-ops@mplsrc.com
  • Organization: Signature: http://www.employees.org/~raszuk/sig/
  • Resent-Date: Fri, 17 Aug 2001 09:20:15 -0400
  • To: Jong-Myoung <jmjoung@kt.co.kr>


May I ask why are you not planning to use LDP (prefix-LSPs) but TE-LSPs
? I can comment more later, but first please reply to this critical
question.

R.

> Jong-Myoung wrote:
> 
> Hi, everyone.
> I'm going to deploy MPLS for MPLS VPN services.
> we'll make LSP topology in my IP network according to the shortest
> path of IGP.
> I'm wondering what happen if the LSP fails due to link failure or node
> failure, etc.
> Could explain about process to make a new LSP instead of the failed
> LSP within the failed link ?
> (Let's assume Cisco only network.)
> 
> As you know, a LSP between PEs has the deep relationships with
> customer's inner LSP.
> I think LSP failure is criticla in MPLS VPN services.
> If link fail, IGP routing table will be updated.  and then A new LSP
> between PEs will be generated according to updated routing
> information.
> is it right ? then how long does it take to make a new LSP ?
> is there any LSP failure except link/node failure ?
> 
> thanks
> 
> ^_^
>      Jong-myoung Joung
>      Member of technical staff
>      Internet Platform Division
>      Telecom Networking Lab
>      Korea Telecom
>      Phone : +82-42-870-8218
>      E-Mail : jmjoung@kt.co.kr
> 
>                                             ^_^
> 
> [Image]

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