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mpls packet format !!!

  • From: Sivaramakrishna Iyer Krishnan <krishnan@research.bell-labs.com>
  • Date: Wed, 27 Jun 2001 16:01:58 -0400
  • Newsgroups: groupstudy.cisco, groupstudy.juniper
  • Organization: Bell Labs Research - Internet Research Management Center
  • Resent-Date: Wed, 27 Jun 2001 17:48:30 -0400
  • To: MPLS Operations <mpls-ops@mplsrc.com>, Robert Raszuk <raszuk@cisco.com>, Alexander Marhold <alexander@marhold.at>


hi all,

I know that the mpls label is in between the layer 2 and layer 3 header.
Does anybody know where I can get the exact packet format like that for
IP packets (version bits and stuff like that) ?.

e.g. : -

node1     ------- node2
(1.1.15.1)              (1.1.15.2)
00000c4b2c59      00000c4b2c60

label 5

This is the format for an IPv4 packet from node1 to node2

00 00 0C 4B 2C 60 00 00 0C 4B 2C 59 08 00 40 00
00 32 00 00 00 00 40 00 A1 C8 01 01 0F 02 01 01
0D 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

Looking for something similar for a packet format with label 5.

Thanks,
Krishnan.

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