netbr [show/addbr/delbr/flush bridge0] | [adddev/deldev bridge0 ethdev0] | [addif/delif bridge0 en1]

[root@sylixos:/root]# help netbr          
add / delete / control net bridge.
eg. netbr show bridge0           (Show all net device in 'bridge0' net brigdge)
    netbr addbr bridge0          (Add a net brigdge named 'bridge0')
    netbr delbr bridge0          (Delete a net brigdge named 'bridge0')
    netbr flush bridge0          (Flush all MAC cache in net brigdge named 'bridge0')
    netbr adddev bridge0 ethdev0 (Add a net device in net brigdge named 'bridge0')
    netbr deldev bridge0 ethdev0 (Delete a net device from net brigdge named 'bridge0')
    netbr addif bridge0 en1      (Same as 'adddev' but use interface name)
    netbr delif bridge0 en1      (Same as 'deldev' but use interface name)
netbr [...]
[root@sylixos:/root]# 

[root@sylixos:/apps]# netbr addbr  bridge0
net bridge device add ok, if index: 7.
[root@sylixos:/apps]# ifconfig          
br6       Link encap: Ethernet HWaddr: aa:10:5f:d6:61:22
          Dev: bridge0 Ifidx: 7 DHCP: D4 D6 Spd: N/A
          inet addr: 10.4.130.14 netmask: 255.255.0.0
          gateway: 10.4.0.1 broadcast: 0.0.255.255
          inet6 addr: fe80::a810:5fff:fed6:6122 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          collisions:0 txqueue:0 tcpaf:2 tcpwnd:65535
          RX ucast packets:0 nucast packets:0 dropped:0
          TX ucast packets:0 nucast packets:7 dropped:0
          RX bytes:0 (0.0 B)  TX bytes:546 (546.0 B