RP/0/RP0/CPU0:CE-A1a#ping 10.1.12.1 source 10.1.11.1 count 10 timeout 1
Mon Oct 12 00:24:09.813 UTC
Type escape sequence to abort.
Sending 10, 100-byte ICMP Echos to 10.1.12.1 timeout is 1 seconds:
!!!!!!!!!!
Success rate is 100 percent (10/10), round-trip min/avg/max = 4/4/6 ms
RP/0/RP0/CPU0:CE-A1a#ping 10.1.2.1 source 10.1.11.1 count 10 timeout 1
Mon Oct 12 00:24:11.385 UTC
Type escape sequence to abort.
Sending 10, 100-byte ICMP Echos to 10.1.2.1 timeout is 1 seconds:
..........
Success rate is 0 percent (0/10)
RP/0/RP0/CPU0:CE-A1a#traceroute 10.1.12.1 source 10.1.11.1 timeout 1 probe 2 maxttl 6
Mon Oct 12 00:24:22.857 UTC

Type escape sequence to abort.
Tracing the route to 10.1.12.1

 1  10.1.1.2 8 msec  * 
RP/0/RP0/CPU0:CE-A1a#traceroute 10.1.2.1 source 10.1.11.1 timeout 1 probe 2 maxttl 6
Mon Oct 12 00:24:24.693 UTC

Type escape sequence to abort.
Tracing the route to 10.1.2.1

 1  10.1.11.1 !N  *