关闭和开启交换机端口
关闭：shutdown开启：undo shutdown
关闭信息中心：undo info-center enable
关闭VLAN1通过端口混合模式：undo port hybrid vlan 1
混合端口带VLAN标签过：port hybrid tagged vlan all
混合端口不带VLAN标签过：port hybrid untagged vlan all
静态路由：ip route-static 10.231.8.0 255.255.255.0 192.168.1.1
查看路由状态：disp ip routing-table
禁止DHCP分配的地址范围：dhcp server excluded-ip-address 10.231.8.7 10.231.8.254vlan 20基于MAC的VLAN划分（VLAN下）
mac-vlan mac-address 5489-9897-5985 priority 0
mac-vlan mac-address 5489-98ad-7ec9 priority 0
vlan 30基于MAC的VLAN划分（VLAN下）
mac-vlan mac-address 5489-98d9-2079 priority 0
mac-vlan mac-address 5489-986e-3631 priority 0
interface Vlanif20 基于MAC的VLAN绑定（三层端口下）
ip address 10.231.8.1 255.255.255.0 IP地址
dhcp select interface 基于端口的DHCP
dhcp server static-bind ip-address 10.231.8.5 mac-address 5489-9897-5985绑定
dhcp server static-bind ip-address 10.231.8.6 mac-address 5489-98ad-7ec9绑定
dhcp server excluded-ip-address 10.231.8.7 10.231.8.254 不分配
dhcp server lease day 0 hour 0 minute 1 租期
dhcp server dns-list 10.231.15.205 默认的DNS
基于MAC的VLAN划分
interface GigabitEthernet0/0/1
undo port hybrid vlan 1 不允许VLAN1过
port hybrid untagged vlan 20 30 40 50 不带VLAN标签进来
mac-vlan enable基于MAC的VLAN划分
关闭端口的MAC学习功能，遇到就丢弃：mac-address learning disable action discard
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