RP/0/RP0/CPU0:PE1#ping 7.7.7.7 source 2.2.2.2 count 20
Fri Sep 11 14:11:11.858 UTC
Type escape sequence to abort.
Sending 20, 100-byte ICMP Echos to 7.7.7.7 timeout is 2 seconds:
!!!!!!!!!!!!!!!!!!!!
Success rate is 100 percent (20/20), round-trip min/avg/max = 12/12/16 ms
RP/0/RP0/CPU0:PE1#traceroute 7.7.7.7 source 2.2.2.2
Fri Sep 11 14:11:12.999 UTC

Type escape sequence to abort.
Tracing the route to 7.7.7.7

 1  10.2.4.4 [MPLS: Label 24009 Exp 0] 14 msec  13 msec  12 msec 
 2  10.4.6.6 [MPLS: Label 24009 Exp 0] 16 msec  13 msec  13 msec 
 3  10.5.6.5 [MPLS: Label 24009 Exp 0] 13 msec  16 msec  13 msec 
 4  10.5.7.7 13 msec  *  16 msec