默认用户名root，密码mduadmin
首先擦除配置数据，擦除后记得重启。
enable
erase flash data
reboot system
重新进入系统后：
enable
config
port mode 0/0/2 ge
vlan service-profile profile-id 1
user-bridging enable
commit
quit
vlan bind service-profile 1 profile-id 1
undo service-port all
int eth 0/1
traffic-suppress all unicast value 1
traffic-suppress all broadcast value 1
quit
multi-service-port vlan transparent board 1 other-all rx-cttr 6 tx-cttr 6
save
注意：等 The data of 0 slot's main control board is saved completely 这行出来才算保存好。
