华为设备VRRP组网下同网段内配置基于全局地址池的DHCP服务器

华为设备VRRP组网下同网段内配置基于全局地址池的DHCP服务器

1. 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

2. 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

3. 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

4. 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

6. 验证配置

将LSW1上的2个接口shutdown

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