# ping6 2001......64 bytes from 2001:... icmp_seq=1 ttl=64 time=0.058 ms
64 bytes from 2001:... icmp_seq=2 ttl=64 time=0.054 ms
3. ping一个公网上的IPv6服务，验证连通性
# ping6 huawei.com
PING huawei.com(2407:c080:17ef:ffff::7274:d206 (2407:c080:17ef:ffff::7274:d206))56 data bytes
64 bytes from 2407:c080:17ef:ffff::7274:d206 (2407:c080:17ef:ffff::7274:d206): icmp_seq=1 ttl=13 time=108 ms
64 bytes from 2407:c080:17ef:ffff::7274:d206 (2407:c080:17ef:ffff::7274:d206): icmp_seq=4 ttl=13 time=117 ms
64 bytes from 2407:c080:17ef:ffff::7274:d206 (2407:c080:17ef:ffff::7274:d206): icmp_seq=6 ttl=13 time=116 ms
64 bytes from 2407:c080:17ef:ffff::7274:d206 (2407:c080:17ef:ffff::7274:d206): icmp_seq=7 ttl=13 time=109 ms
4. 本地没有IPv6地址是ping 不通的
╰─➤ ping6 huawei.com 130 ↵
ping6: UDP connect: No route to host