VLAN100 VLAN150 (trunk) VLAN150 VLAN100 (trunk) SRC IP: 192.168.0.2 DEST IP: 192.168.0.1 SRC HW: A DEST HW: broadcast SRC IP: 10.1.0.2 DEST IP: 10.1.0.1 SRC HW: A DEST HW: broadcast
B VLAN100 VLAN150 (trunk) VLAN150 VLAN100 (trunk) SRC IP: 192.168.0.2 DEST IP: 192.168.0.1 SRC HW: A DEST HW: broadcast SRC IP: 10.1.0.2 DEST IP: 10.1.0.1 SRC HW: A DEST HW: broadcast TCP, UDP checksumが書き換わってしまい、 通信が失敗する