LDP must be enabled in order for the protocol to be active. MPLS must also be enabled. MPLS is enabled in the config>router>mpls context.
Use the following CLI syntax to enable LDP on a 7705 SAR router:
ldp
config>router#
ldp
The following example displays the enabled LDP configuration output.
ALU-1>config>router# info
----------------------------------------------
...
#------------------------------------------
echo "LDP Configuration"
#------------------------------------------
ldp
interface-parameters
exit
targeted-session
exit
exit
----------------------------------------------
...
ALU-1>config>router#