[root@compaq sysconfig]# ping6 google.com -I 2001:470:b148::1 -n
PING google.com(2607:f8b0:400b:80a::1003) from 2001:470:b148::1 : 56 data bytes
64 bytes from 2607:f8b0:400b:80a::1003: icmp_seq=1 ttl=59 time=11.6 ms
64 bytes from 2607:f8b0:400b:80a::1003: icmp_seq=2 ttl=59 time=10.1 ms
64 bytes from 2607:f8b0:400b:80a::1003: icmp_seq=3 ttl=59 time=10.9 ms
^C
--- google.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2663ms
rtt min/avg/max/mdev = 10.191/10.950/11.686/0.616 ms
[root@compaq sysconfig]# ping6 2001:dc3::35 -I 2001:470:b148::1 -n
PING 2001:dc3::35(2001:dc3::35) from 2001:470:b148::1 : 56 data bytes
^C
--- 2001:dc3::35 ping statistics ---
5 packets transmitted, 0 received, 100% packet loss, time 4844ms