RP/0/RP0/CPU0:PE2#ping 1.1.1.1 source 2.2.2.2 count 5 timeout 1
Wed Sep 23 16:07:39.963 UTC
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 1.1.1.1 timeout is 1 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 7/7/10 ms
RP/0/RP0/CPU0:PE2#ping vrf CUST-A 172.16.2.2 source 172.16.2.1 count 5 timeout 1
Wed Sep 23 16:07:41.182 UTC
%% Invalid source address 
RP/0/RP0/CPU0:PE2#ping vrf CUST-A 172.16.4.2 source 172.16.4.1 count 5 timeout 1
Wed Sep 23 16:07:42.205 UTC
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.4.2 timeout is 1 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 4/4/6 ms