RP/0/RP0/CPU0:CE-A2#ping 10.1.1.1 source 10.1.2.1 count 10 timeout 1
Wed Sep 23 15:50:40.893 UTC
%% Invalid source address 
RP/0/RP0/CPU0:CE-A2#traceroute 10.1.1.1 source 10.1.2.1 timeout 1 probe 2 maxttl 6
Wed Sep 23 15:50:41.846 UTC
% Invalid source address