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I-D ACTION:draft-ietf-mpls-ldp-mtu-extensions-01.txt



A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF.

	Title		: MTU Signalling Extensions for LDP
	Author(s)	: B. Black, K. Kompella
	Filename	: draft-ietf-mpls-ldp-mtu-extensions-01.txt
	Pages		: 10
	Date		: 2003-6-9
	
Proper functioning of RFC 1191 path MTU discovery requires that IP
routers have knowledge of the MTU for each link to which they are
connected.  As currently specified, the Label Distribution Protocol
(LDP) does not have the ability to signal the MTU for a Label
Switched Path (LSP) to the ingress Label Switching Router (LSR).  In
the absence of this functionality, the MTU for each LSP must be
statically configured by network operators or by equivalent, off-line
mechanisms.
This document specifies extensions to LDP in support of LSP MTU
discovery.

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