ipv6 ping 注意 关闭 dns 解析

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root@client-14546:/#  ping6 fc00:10:ff:0:1:94a3:0:1
PING fc00:10:ff:0:1:94a3:0:1 (fc00:10:ff:0:1:94a3:0:1): 56 data bytes
ping: getnameinfo: Temporary failure in name resolution
64 bytes from unknown: icmp_seq=0 ttl=254 time=0.511 ms
ping: getnameinfo: Temporary failure in name resolution
64 bytes from unknown: icmp_seq=1 ttl=254 time=0.303 ms
^C

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^C^C^C


ping: getnameinfo: Temporary failure in name resolution
64 bytes from unknown: icmp_seq=2 ttl=254 time=0.366 ms
--- fc00:10:ff:0:1:94a3:0:1 ping statistics ---
3 packets transmitted, 3 packets received, 0% packet loss
round-trip min/avg/max/stddev = 0.303/0.393/0.511/0.087 ms
root@client-14546:/#
root@client-14546:/#
root@client-14546:/#
root@client-14546:/#
root@client-14546:/# ping6 -n fc00:10:ff:0:1:94a3:0:1
PING fc00:10:ff:0:1:94a3:0:1 (fc00:10:ff:0:1:94a3:0:1): 56 data bytes
64 bytes from fc00:10:ff:0:1:94a3:0:1: icmp_seq=0 ttl=254 time=0.622 ms
64 bytes from fc00:10:ff:0:1:94a3:0:1: icmp_seq=1 ttl=254 time=0.792 ms
64 bytes from fc00:10:ff:0:1:94a3:0:1: icmp_seq=2 ttl=254 time=0.917 ms
^X64 bytes from fc00:10:ff:0:1:94a3:0:1: icmp_seq=3 ttl=254 time=0.804 ms
64 bytes from fc00:10:ff:0:1:94a3:0:1: icmp_seq=4 ttl=254 time=0.837 ms
^C--- fc00:10:ff:0:1:94a3:0:1 ping statistics ---
5 packets transmitted, 5 packets received, 0% packet loss
round-trip min/avg/max/stddev = 0.622/0.794/0.917/0.097 ms