RP/0/RP0/CPU0:CE3#ping 192.168.4.1 source 192.168.3.1 count 50 timeout 1
Sun Sep 20 12:30:44.808 UTC
Type escape sequence to abort.
Sending 50, 100-byte ICMP Echos to 192.168.4.1 timeout is 1 seconds:
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Success rate is 100 percent (50/50), round-trip min/avg/max = 18/21/35 ms
RP/0/RP0/CPU0:CE3#traceroute 192.168.4.1 source 192.168.3.1 timeout 1 probe 2 maxttl 8
Sun Sep 20 12:30:46.979 UTC

Type escape sequence to abort.
Tracing the route to 192.168.4.1

 1  10.2.8.2 7 msec  6 msec 
 2  10.2.3.3 [MPLS: Labels 24005/24007 Exp 0] 25 msec  24 msec 
 3  10.3.4.4 [MPLS: Labels 24005/24007 Exp 0] 45 msec  24 msec 
 4  10.4.5.5 [MPLS: Labels 24005/24007 Exp 0] 25 msec  24 msec 
 5  10.5.6.6 [MPLS: Label 24007 Exp 0] 23 msec  23 msec 
 6  10.6.9.9 25 msec  *