@
jimzhong $$所在的服务器上是 ping 的通的
```
ping6 2001:da8:215:4078:250:56ff:fe97:654d
PING 2001:da8:215:4078:250:56ff:fe97:654d(2001:da8:215:4078:250:56ff:fe97:654d) 56 data bytes
64 bytes from 2001:da8:215:4078:250:56ff:fe97:654d: icmp_seq=1 ttl=46 time=247 ms
64 bytes from 2001:da8:215:4078:250:56ff:fe97:654d: icmp_seq=2 ttl=46 time=236 ms
64 bytes from 2001:da8:215:4078:250:56ff:fe97:654d: icmp_seq=3 ttl=46 time=249 ms
64 bytes from 2001:da8:215:4078:250:56ff:fe97:654d: icmp_seq=4 ttl=46 time=238 ms
64 bytes from 2001:da8:215:4078:250:56ff:fe97:654d: icmp_seq=5 ttl=46 time=237 ms
64 bytes from 2001:da8:215:4078:250:56ff:fe97:654d: icmp_seq=6 ttl=46 time=243 ms
64 bytes from 2001:da8:215:4078:250:56ff:fe97:654d: icmp_seq=7 ttl=46 time=232 ms
64 bytes from 2001:da8:215:4078:250:56ff:fe97:654d: icmp_seq=8 ttl=46 time=237 ms
64 bytes from 2001:da8:215:4078:250:56ff:fe97:654d: icmp_seq=9 ttl=46 time=243 ms
64 bytes from 2001:da8:215:4078:250:56ff:fe97:654d: icmp_seq=10 ttl=46 time=220 ms
64 bytes from 2001:da8:215:4078:250:56ff:fe97:654d: icmp_seq=11 ttl=46 time=220 ms
64 bytes from 2001:da8:215:4078:250:56ff:fe97:654d: icmp_seq=12 ttl=46 time=243 ms
```