vconfig命令是VLAN配置命令。
实例
1,安装vlan（vconfig）和加载8021q模块
[root@test0001~]#yum install vconfig
[root@test0001~]#modprobe 8021q
[root@test0001~]#lsmod |grep -i 8021q
2,在eth0接口上配置两个VLAN
[root@test0001~]#vconfig add eth0 100
Added VLAN with VID == 100 to IF -:eth0:-
[root@test0001~]#vconfig add eth0 200
Added VLAN with VID == 200 to IF -:eth0:-
3,设置VLAN的REORDER_HDR参数，默认就行了
[root@test0001~]#vconfig set_flag eth0.100 1 1
Set flag on device -:eth0.100:- Should be visible in /proc/net/vlan/eth0.100
[root@test0001~]#vconfig set_flag eth0.200 1 1
Set flag on device -:eth0.200:- Should be visible in /proc/net/vlan/eth0.200
4,配置网络信息
[root@test0001~]#ifconfig eth0 0.0.0.0
[root@test0001~]#ifconfig eth0.100 172.16.1.8 netmask 255.255.255.0 up
[root@test0001~]#ifconfig eth0.200 172.16.2.8 netmask 255.255.255.0 up
5,删除VLAN命令
[root@test0001~]#vconfig rem eth0.100
Removed VLAN -:eth0.100:-
[root@test0001~]#vconfig rem eth0.200
Removed VLAN -:eth0.200:-
