LDP Signaling and Services
Page 632 7450 ESS MPLS Guide
The following shows a working configuration of LDP over RSVP-TE (1) where tunnels look like 
the second example (2):
1. *A:ALA-1>config>router>ldp# info
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            prefer-tunnel-in-tunnel
            interface-parameters
                interface "port-1/1/3"
                exit
                interface "port-lag-1"
                exit
            exit
            targeted-session
                peer 10.51.0.1
                    shutdown
                    tunneling
                        lsp "to_P_1"
                    exit
                exit
                peer 10.51.0.17
                    shutdown
                    tunneling
                        lsp "to_P_6"
                    exit
                exit
            exit
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*A:ALA-1>config>router>ldp#
2. ALA-1>config>router>if-attr# info
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admin-group "lower" value 2 
admin-group "upper" value 1 
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*A:ALA-1>config>router>mpls# info
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            resignal-timer 30
            interface "system"
            exit
            interface "port-1/1/3"
            exit
            interface "port-lag-1"
            exit
            path "dyn"
                no shutdown
            exit
            lsp "to_P_1"
                to 10.51.0.1
                cspf
                fast-reroute facility
                exit
                primary "dyn"
                exit
                no shutdown
            exit