root@at000:~# ping6 -n www.facebook.com PING www.facebook.com(2a03:2880:f01a:1:face:b00c:0:1) 56 data bytes 64 bytes from 2a03:2880:f01a:1:face:b00c:0:1: icmpseq=1 ttl=54 time=47.2 ms 64 bytes from 2a03:2880:f01a:1:face:b00c:0:1: icmpseq=2 ttl=54 time=47.3 ms 64 bytes from 2a03:2880:f01a:1:face:b00c:0:1: icmp_seq=3 ttl=54 time=47.4 ms ^C --- www.facebook.com ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2002ms rtt min/avg/max/mdev = 47.281/47.367/47.447/0.067 ms
root@at000:~# ping6 -n www.youtube.com PING www.youtube.com(2a00:1450:4006:803::200e) 56 data bytes 64 bytes from 2a00:1450:4006:803::200e: icmpseq=1 ttl=54 time=27.7 ms 64 bytes from 2a00:1450:4006:803::200e: icmpseq=2 ttl=54 time=27.8 ms 64 bytes from 2a00:1450:4006:803::200e: icmp_seq=3 ttl=54 time=27.9 ms
试试ping IP行不行？