show interface port 1 switchport ##查看端口配置
dlf-forwarding enable ##广播风暴抑制 全局模式
loopback-detection enable port-list 1-24 ##环路检测
show loopback-detection ##查看环路检测配置
show cable-diagnostics port-list 1 ##查看端口1的线路信息
rndp enable ##使能邻居发现协议
rtdp enable ##使能拓扑发现协议
interface port 2
switchport protect
switchport mode access
switchport access vlan 81
q
interface port 3
switchport protect
switchport mode access
switchport access vlan 82
q
interface port 4
switchport protect
switchport mode access
switchport access vlan 83
q
interface port 5
switchport protect
switchport mode access
switchport access vlan 84
q
interface port 25
switchport protect
switchport mode trunk
switchport trunk allowed vlan 81-84 confirm