CAT45A# sh ipv6 neighbors
IPv6 Address TRLV Age Link-layer Addr State Interface
2408:8666:12:FF::10:2 0 0 0022.bbbb.e55a REACH Gi6/11
FE80::61 0 0 0022.bbbb.e55a REACH Gi6/11
2408:8666:12:1:3C8C:F00:E145:C153 0 6 a0ce.c800.d411 STALE Vl17
2408:8666:12:1:4508:E413:A6CF:E7EF 0 0 a0ce.c800.d411 REACH Vl17
2408:8666:12:1:E9EF:85BA:42A7:4057 0 0 507b.9dea.85aa REACH Vl17
2408:8666:12:1:FC9A:5B7B:68EA:74DE 0 0 507b.9dea.85aa REACH Vl17
FE80::3C8C:F00:E145:C153 0 13 a0ce.c800.d411 STALE Vl17
FE80::E9EF:85BA:42A7:4057 0 2 507b.9dea.85aa STALE Vl17
show ipv6 neighbors 加管道符查到link-layer的地址，然后show mac address add xxxx
ipv6搞的不是很多，别的方法暂时不清楚=_=
