有可能导致一半通,一半不同。 解决方法,使用peer-gateway。(当开始了SVI的话,需要启用) 查看mac表项的话,如果条目前面有G表示是gateway mac。如果目的mac是gateway mac的话,需要查L3. EARTH-CORE-7K-1# sh mac addLegend: * - primary entry, G - Gateway MAC, (R) - Routed MAC, O - Overlay MAC age - seconds since last seen,+ - primary entry using vPC Peer-Link, (T) - True, (F) - False VLAN MAC Address Type age Secure NTFY Ports/SWID.SSID.LID---------+-----------------+--------+---------+------+----+------------------G 10 0000.0c9f.f00a static - F F sup-eth1(R)* 10 e8ed.f339.4e43 static - F F vPC Peer-LinkG - e8ed.f339.4f43 static - F F sup-eth1(R)G 10 e8ed.f339.4f43 static - F F sup-eth1(R)G 900 e8ed.f339.4f43 static - F F sup-eth1(R)G 999 e8ed.f339.4f43 static - F F sup-eth1(R)* 900 001c.0e1a.f141 dynamic 0 F F Eth4/47* 999 e8ed.f339.4e43 dynamic 0 F F Eth4/48