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Re: A question about RERR message

  • From: Rajiv Asati <rajiva@cisco.com>
  • Date: Sun, 25 Aug 2002 23:15:28 -0400
  • Cc: "mpls-ops@mplsrc.com" <mpls-ops@mplsrc.com>
  • Resent-Date: Mon, 26 Aug 2002 14:43:12 -0400
  • To: zhangle <zhangle@harbournetworks.com>
  • X-MIME-Autoconverted: from quoted-printable to 8bit by host.secure4-hosting.net id g7QHFvX27982
  • X-Sender: rajiva@dingdong.cisco.com

At 02:13 AM 8/21/2002, zhangle wrote:
>Hello,mpls-ops:
>
>　　when a RERR message arrive to egress LSR,how can I deal with it 
>?  send a PERR?

Not sure if I understand what you mean here.

PERR message is always sent from the downstream router to the upstream 
router (and destined to the tunnel head-end).So I don't think that PERR 
message would ever arrive at the egress LSR.  [ egress LSR = tunnel 
destination]

 From my understanding, if a PERR message is received by the head-end, then 
it would send PATH-TEAR message and resend the PATH message later.

Cheers,
Rajiv


>　　　　　　　　
>
>　　　　　　　　　　　　　　zhangle
>　　　　　　　　　　　　　　zhangle@harbournetworks.com
>　　　　　　　　　　　　　　　　　2002-08-21
>
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