[root @ 2_01〜]＃/ sbin / ip -6 addr show pubeth0
inet6 2001:1::6/64 scope global inet6 2001:1::1/64 scope global inet6 fe80::20c:29ff:fe69:f9e8/64 scope link [root @ v2_01〜]＃/ sbin / ip -6 addr show pubeth1
inet6 fe80::20c:29ff:fe69:f906/64 scope link
[root @ 2_01〜]＃ping6 fe80 :: 20c：29ff：fe69：f9e8％pubeth1
PING fe80::20c:29ff:fe69:f9e8%pubeth1(fe80::20c:29ff:fe69:f9e8) 56 data bytes 64 bytes from fe80::20c:29ff:fe69:f9e8: icmp_seq=1 ttl=64 time=0.259 ms --- fe80::20c:29ff:fe69:f9e8%pubeth1 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 286ms rtt min/avg/max/mdev = 0.259/0.259/0.259/0.000 ms
[root @ 2_01〜]＃ping6 fe80 :: 20c：29ff：fe69：f9e8％pubeth0
PING fe80::20c:29ff:fe69:f9e8%pubeth0(fe80::20c:29ff:fe69:f9e8) 56 data bytes 64 bytes from fe80::20c:29ff:fe69:f9e8: icmp_seq=1 ttl=64 time=0.057 ms --- fe80::20c:29ff:fe69:f9e8%pubeth0 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 390ms rtt min/avg/max/mdev = 0.057/0.057/0.057/0.000 ms
为什么我可以通过pubeth1 ping6“fe80 :: 20c：29ff：fe69：f9e8”？