华为ENSP——VRRP原理及配置(虚拟路由冗余协议,又名双机热备)

文章目录

    • 一、实验步骤
      • 1.1 实验拓扑图
      • 1.2 需求
      • 1.3 实验详细步骤及配置

一、实验步骤

1.1 实验拓扑图

华为ENSP——VRRP原理及配置(虚拟路由冗余协议,又名双机热备)_第1张图片

1.2 需求

1、实现全网互通

2、对SW1与SW2配置VRRP,实现在上行链路端口故障时流量能够实现自动切换

1.3 实验详细步骤及配置

1、配置2台PC机的地址

2、在SW3上进行如下配置:

sy
[Huawei]sy SW3
[SW3]vlan batch 10 20
[SW3]interface Ethernet 0/0/1
[SW3-Ethernet0/0/1]port link-type access
[SW3-Ethernet0/0/1]port default vlan 10
[SW3-Ethernet0/0/1]interface Ethernet0/0/3
[SW3-Ethernet0/0/3]port link-type access 
[SW3-Ethernet0/0/3]port default vlan 20
[SW3-Ethernet0/0/3]interface Ethernet0/0/2
[SW3-Ethernet0/0/2]port link-type trunk 
[SW3-Ethernet0/0/2]port trunk allow-pass vlan all
[SW3-Ethernet0/0/2]interface Ethernet0/0/4
[SW3-Ethernet0/0/4]port link-type trunk
[SW3-Ethernet0/0/4]port trunk allow-pass vlan all

3、在SW1上进行如下配置:

sy
[Huawei]sy SW1
[SW1]vlan batch 10 20 100
[SW1]interface GigabitEthernet 0/0/2
[SW1-GigabitEthernet0/0/2]port link-type trunk 
[SW1-GigabitEthernet0/0/2]port trunk allow-pass vlan all
[SW1]interface vlanif 10
[SW1-Vlanif10]ip address 192.168.10.10 24
[SW1-Vlanif10]vrrp vrid 1 virtual-ip 192.168.10.1
[SW1-Vlanif10]vrrp vrid 1 virtual-ip 192.168.10.1
[SW1-Vlanif10]vrrp vrid 1 priority 105
[SW1-Vlanif10]vrrp vrid 1 track interface GigabitEthernet 0/0/1
[SW1-Vlanif10]interface vlanif 20
[SW1-Vlanif20]ip address 192.168.20.20 24
[SW1-Vlanif20]vrrp vrid 2 virtual-ip 192.168.20.1
[SW1-Vlanif20]vrrp vrid 2 track interface GigabitEthernet 0/0/1

4、在SW2上进行如下配置:

sy
[Huawei]sy SW2
[SW2]vlan batch 10 20 200
[SW2]interface GigabitEthernet 0/0/2
[SW2-GigabitEthernet0/0/2]port link-type trunk 
[SW2-GigabitEthernet0/0/2]port trunk allow-pass vlan all
[SW2-GigabitEthernet0/0/2]interface vlanif 10
[SW2-Vlanif10]ip address 192.168.10.11 24
[SW2-Vlanif10]vrrp vrid 1 virtual-ip 192.168.10.1
[SW2-Vlanif10]interface vlanif 20
[SW2-Vlanif20]ip address 192.168.20.11 24
[SW2-Vlanif20]vrrp vrid 2 virtual-ip 192.168.20.1
[SW2-Vlanif20]vrrp vrid 2 priority 105
[SW2-Vlanif20]vrrp vrid 2 track interface GigabitEthernet 0/0/1

5、在SW1上进行如下配置:

[SW1-Vlanif20]int GigabitEthernet 0/0/1
[SW1-GigabitEthernet0/0/1]port link-type access 
[SW1-GigabitEthernet0/0/1]port default vlan 100
[SW1-GigabitEthernet0/0/1]interface vlanif 100
[SW1-Vlanif100]ip address 10.10.10.1 24

6、在SW2上进行如下配置:

[SW2-Vlanif20]interface GigabitEthernet 0/0/1
[SW2-GigabitEthernet0/0/1]port link-type access 
[SW2-GigabitEthernet0/0/1]port default vlan 200
[SW2-GigabitEthernet0/0/1]interface vlanif 200
[SW2-Vlanif200]ip address 20.20.20.1 24

7、在AR1上进行如下配置:

sy
[Huawei]sy R1
[R1]interface GigabitEthernet 0/0/0
[R1-GigabitEthernet0/0/0]ip address 10.10.10.2 24
[R1-GigabitEthernet0/0/0]interface GigabitEthernet0/0/1
[R1-GigabitEthernet0/0/1]ip address 20.20.20.2 24
[R1-GigabitEthernet0/0/1]quit
[R1]ip route-static 192.168.10.0 24 10.10.10.1
[R1]ip route-static 192.168.10.0 24 20.20.20.1 preference 70
[R1]ip route-static 192.168.20.0 24 20.20.20.1
[R1]ip route-static 192.168.20.0 24 10.10.10.1 preference 70
[R1]interface LoopBack 0	
[R1-LoopBack0]ip address 1.1.1.1 32

8、因为在AR1上配置了回环口,所以要在SW1上配置静态路由:

[SW1-Vlanif100]quit
[SW1]ip route-static 1.1.1.1 32 10.10.10.2

9、因为在AR1上配置了回环口,所以也要在SW2上配置静态路由:

[SW2-Vlanif200]quit
[SW2]ip route-static 1.1.1.1 32 20.20.20.2

到这一步配置就完成了,现在我们在PC1上追踪一下到AR1的数据流向:
华为ENSP——VRRP原理及配置(虚拟路由冗余协议,又名双机热备)_第2张图片

现在将SW1上g0/0/1接口down掉模拟故障发生,看流量是否可以自动切换
华为ENSP——VRRP原理及配置(虚拟路由冗余协议,又名双机热备)_第3张图片

再次追踪一下PC1到AR1环回口的数据流向:

华为ENSP——VRRP原理及配置(虚拟路由冗余协议,又名双机热备)_第4张图片
从上图可以看出流量已经切换过来了

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