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Cell Relay Retreat>MPLS WG Archive>month:2001-Aug> msg00213



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Time to live

  • From: Asim.Khan@vf.vodafone.co.uk
  • Date: Tue, 21 Aug 2001 17:22:28 +0100
  • Cc: mpls@UU.NET

It stays the same. The routers only look at the label value not the IP
header. When the packet leaves MPLS domain then the normal operation would
apply.

Asim

-----Original Message-----
From: David Escobar [mailto:c-david.escobar@wcom.com]
Sent: 21 August 2001 17:19
To: mpls@UU.NET
Subject: Time to live


Hi;
What happens to the TTL field in the IP header when a labeled packet goes
through an LSP? Is it decreased at each router or stay the same?

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