相同vlan可以通过，不同vlan不可以通过

配置命令：

SW1：
SYS
VLAN BATCH 10 20 30 40
INT G0/0/1
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
INT G0/0/2
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
INT G0/0/3
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
SW2：
SYS
VLAN BATCH 10 20 30 40
INT G0/0/1
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
INT G0/0/2
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
INT G0/0/3
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
SW3
SYS
VLAN BATCH 10 20 30 40
INT E0/0/1
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
INT E0/0/2
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
INT E0/0/3
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
INT E0/0/4
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
INT E0/0/5
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
INT E0/0/6
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
SW4
SYS
VLAN BATCH 10 20 30 40
INT E0/0/1
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
INT E0/0/2
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
INT E0/0/3
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
INT E0/0/4
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
INT E0/0/5
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
INT E0/0/6
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
SW5：
SYS
VLAN BATCH 10 20 30 40
INT E0/0/1
PORT LINK-TYPE ACCESS
PORT DEFAULT VLAN 10
Q
INT E0/0/2
PORT LINK-TYPE ACCESS
PORT DEFAULT VLAN 20
Q
INT E0/0/3
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
INT E0/0/4
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
SW6：
SYS
VLAN BATCH 10 20 30 40
INT E0/0/1
PORT LINK-TYPE ACCESS
PORT DEFAULT VLAN 30
Q
INT E0/0/2
PORT LINK-TYPE ACCESS
PORT DEFAULT VLAN 40
Q
INT E0/0/3
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
INT E0/0/4
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
SW7：
SYS
VLAN BATCH 10 20 30 40
INT E0/0/1
PORT LINK-TYPE ACCESS
PORT DEFAULT VLAN 10
Q
INT E0/0/2
PORT LINK-TYPE ACCESS
PORT DEFAULT VLAN 20
Q
INT E0/0/3
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
INT E0/0/4
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
SW8：
SYS
VLAN BATCH 10 20 30 40
INT E0/0/1
PORT LINK-TYPE ACCESS
PORT DEFAULT VLAN 30
Q
INT E0/0/2
PORT LINK-TYPE ACCESS
PORT DEFAULT VLAN 40
Q
INT E0/0/3
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
INT E0/0/4
PORT LINK-TYPE TRUNK
PORT TRUNK ALLOW-PASS VLAN 10 20 30 40
Q
注意： 1.相同vlan可以通，不同vlan不可以通
           2.在配置主机ip地址时，相同vlan应配置的ip地址在同一网段
           3.不同vlan不可以通，即使在不同vlan中的主机上配置的ip地址也不可以通，
           同理，在相同vlan中的主机配置不同网段的ip地址也不可以通。