MPLS command on the interface (mpls ip) (tag ip) ?

From: marc fernandez (mag08036@yahoo.com)
Date: Tue May 13 2008 - 18:35:25 ART


Question: if I am configuring mpls label ranges, protocol either ldp tdp.
What is the difference on the interface command if it supports (mpls ip )
or (tag ip)? Is there a major difference? If so can you share some
experience or links on the subject? I've run into situations where the
router only supports one of the commands and not both.

example:

mpls label protocol ldp
mpls label range 20 40
mpls ldp router-id loopback0

int f0/0.99
mpls ip

or

int f0/0.99
tag ip



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