- 配置设备间的网络互连
[LSW1]vlan batch 10
[LSW1-GigabitEthernet0/0/3]port link-type hybrid
[LSW1-GigabitEthernet0/0/3]port hybrid pvid vlan 10
[LSW1-GigabitEthernet0/0/3]port hybrid untagged vlan 10
[LSW1-GigabitEthernet0/0/2]port link-type hybrid
[LSW1-GigabitEthernet0/0/2]port hybrid pvid vlan 10
[LSW1-GigabitEthernet0/0/2]port hybrid untagged vlan 10
[LSW1]int Vlanif 10
[LSW1-Vlanif10]ip add 10.1.1.1 24
[LSW2]vlan batch 10
[LSW2-GigabitEthernet0/0/1]port link-type hybrid
[LSW2-GigabitEthernet0/0/1]port hybrid pvid vlan 10
[LSW2-GigabitEthernet0/0/1]port hybrid untagged vlan 10
[LSW2-GigabitEthernet0/0/3]port link-type hybrid
[LSW2-GigabitEthernet0/0/3]port hybrid pvid vlan 10
[LSW2-GigabitEthernet0/0/3]port hybrid untagged vlan 10
[LSW2]int Vlanif 10
[LSW2-Vlanif10]ip add 10.1.1.129 24
[LSW3]vlan batch 10
[LSW3-GigabitEthernet0/0/1]port link-type hybrid
[LSW3-GigabitEthernet0/0/1]port hybrid pvid vlan 10
[LSW3-GigabitEthernet0/0/1]port hybrid untagged vlan 10
[LSW3-GigabitEthernet0/0/2]port link-type hybrid
[LSW3-GigabitEthernet0/0/2]port hybrid pvid vlan 10
[LSW3-GigabitEthernet0/0/2]port hybrid untagged vlan 10
[LSW3-GigabitEthernet0/0/3]port link-type access
[LSW3-GigabitEthernet0/0/3]port default vlan 10创建地址池并配置相关属性，由于主设备上的地址池信息不能实时备份到备设备上，为防止主备切换后出现IP地址分配冲突，主设备和备设备上配置的地址池必须要互相排除
[LSW1]dhcp enable
[LSW1]ip pool 1
[LSW1-ip-pool-1]network 10.1.1.0 mask 24
[LSW1-ip-pool-1]gateway-list 10.1.1.111
[LSW1-ip-pool-1]excluded-ip-address 10.1.1.1
[LSW1-ip-pool-1]excluded-ip-address 10.1.1.12
[LSW1-ip-pool-1]excluded-ip-address 10.1.1.129 10.1.1.254
[LSW1-ip-pool-1]lease day 10
[LSW2]dhcp enable
[LSW2]ip pool 1
[LSW2-ip-pool-1]network 10.1.1.0 mask 24
[LSW2-ip-pool-1]gateway-list 10.1.1.111
[LSW2-ip-pool-1]excluded-ip-address 10.1.1.1 10.1.1.110
[LSW2-ip-pool-1]excluded-ip-address 10.1.1.112 10.1.1.129
[LSW2-ip-pool-1]lease day 10配置VRRP备份组
[LSW1]interface Vlanif 10
[LSW1-Vlanif10]vrrp vrid 1 virtual-ip 10.1.1.111
[LSW1-Vlanif10]vrrp vrid 1 priority 120
[LSW1-Vlanif10]dhcp select global
[LSW2]int Vlanif 10
[LSW2-Vlanif10]vrrp vrid 1 virtual-ip 10.1.1.111
[LSW2-Vlanif10]dhcp select global配置STP协议，实现破除环路
[LSW1]stp enable
[LSW2]stp enable
[LSW3]stp enable
[LSW3-GigabitEthernet0/0/3]stp disable
[LSW3-GigabitEthernet0/0/1]stp cost 20000
5.PC选择以DHCP方式获取IP地址验证配置
将LSW1上的2个接口shutdown
