cmooney@cloudsw1-d5-eqiad> ping 10.64.20.16 source 10.64.20.3    
PING 10.64.20.16 (10.64.20.16): 56 data bytes
64 bytes from 10.64.20.16: icmp_seq=0 ttl=64 time=0.704 ms
64 bytes from 10.64.20.16: icmp_seq=1 ttl=64 time=11.274 ms