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Cell Relay Retreat>MPLS WG Archive>month:2001-Jul> msg00140



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[Fwd: I-D ACTION:draft-pan-lsp-ping-00.txt]

  • From: Robert Raszuk <raszuk@cisco.com>
  • Date: Wed, 11 Jul 2001 09:26:42 -0700
  • CC: Ron Bonica <rbonica@MCI.NET>, Yakov Rekhter <yakov@juniper.net>, Dave Cooper <dcooper@gblx.net>, mpls-list <mpls@UU.NET>, mpls-ops <mpls-ops@mplsrc.com>
  • Organization: Signature: http://www.employees.org/~raszuk/sig/

Eric,

> I  guess  I'm  also  having  some trouble  understanding  why  the  LSP-ping
> mechanism needs  to be specific to  a particular control  protocol.  Why not
> just use  a UDP packet  to send  the response back  to the tunnel  head?  It
> won't necessarily travel  back along the control path,  but does that really
> matter?

It may disappear the same way as the original icmp test so the head will
assume that LSP is down while it is in fact up.

R.