Juniper JUNOSE 11.1.X - COMMAND REFERENCE N TO Z 4-6-2010 Command Reference Manual page 1391

Chapter 8: T Commands
tunnel mdt profile
[ no ] tunnel mdt profile profileName
Syntax
Command introduced in JUNOSe Release 8.2.0.
Release Information
Enables multicast distribution tree operation by enabling the IP tunnel component
Description
to create an MDT interface. This command also defines an IP profile with parameters
that are used to stack an upper IP interface over a dynamic GRE or DVMRP tunnel.
This command functions for dynamic GRE and DVMRP tunnel interfaces only. The
no version disables MDT on the interface.
profileName Profile name of up to 80 characters
Options
IP Tunnel Destination Profile Configuration
Mode
1349
tunnel mdt profile