RP/0/RP0/CPU0:PE2#ping 2.2.2.2 source 4.4.4.4 count 20 timeout 1
Mon Sep 28 12:41:54.307 UTC
Type escape sequence to abort.
Sending 20, 100-byte ICMP Echos to 2.2.2.2 timeout is 1 seconds:
!!!!!!!!!!!!!!!!!!!!
Success rate is 100 percent (20/20), round-trip min/avg/max = 31/37/45 ms
RP/0/RP0/CPU0:PE2#traceroute 2.2.2.2 source 4.4.4.4 timeout 1 probe 2 maxttl 4
Mon Sep 28 12:41:57.371 UTC

Type escape sequence to abort.
Tracing the route to 2.2.2.2

 1  10.3.4.3 [MPLS: Label 24000 Exp 0] 51 msec  39 msec 
 2  10.2.3.2 87 msec  *