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Carrying Label mapping

  • From: Rajesh Potti <rpotti@nortelnetworks.com>
  • Date: Wed, 07 Aug 2002 18:11:38 -0400
  • Organization: Nortel Networks
  • X-MIME-Autoconverted: from base64 to 8bit by cell.onecall.net id g77M9b320837

Hi,

 The RFC 3107 (Carrying Label Information in BGP-4) says that in the
BGP updates carrying multiprotocol extensions attribute,
  the fact that the NLRI contains a label is  indicated by using SAFI
value 4. But most implementations seem to be using the SAFI
 value 128. Under what circumstances is the SAFI value 4 used?

Thanks,
Rajesh