华为VRRP和浮动路由配置与应用

Posted 2021-03-11

VRRP：
虚拟 路由器 冗余 协议
virtual router redundancy protocol

VRRP ：(公有协议)
在多个路由器之间运行，
可以虚拟出一个或者多个网关IP地址(虚拟路由器)；
从而实现内网不同网段之间的互通；

VRRP的工作过程：
1、运行VRRP的“多个”路由器之间通过 VRRP 报文的交互，从而选择
出一个最牛的路由器，作为 Master 路由器 ，以后就用来这个设备
来转发数据包；
2、Master 路由器，仅仅只有一个；其他的路由器称之为 backup 路由器；
3、同时，Master 和 Backup 路由器，会产生一个虚拟的路由器，也就是一个
虚拟的IP地址；

 拓扑图：

     配置步骤：
 SW2：
 vlan batch 10 20 30 40 50
interface Vlanif10
ip address 192.168.10.253 255.255.255.0
vrrp vrid 10 virtual-ip 192.168.10.250
vrrp vrid 10 priority 120 vrrp vrid 10 track interface GigabitEthernet0/0/2 reduced 40
 interface Vlanif20
ip address 192.168.20.253 255.255.255.0
vrrp vrid 20 virtual-ip 192.168.20.250
vrrp vrid 20 priority 120
vrrp vrid 20 track interface GigabitEthernet0/0/2 reduced 40
interface Vlanif30
ip address 192.168.30.253 255.255.255.0
vrrp vrid 30 virtual-ip 192.168.30.250
interface Vlanif40
ip address 192.168.40.253 255.255.255.0
vrrp vrid 40 virtual-ip 192.168.40.250
interface Vlanif50
ip address 192.168.50.1 255.255.255.0
 interface GigabitEthernet0/0/1
port link-type trunk
port trunk allow-pass vlan 10 20 30 40
interface GigabitEthernet0/0/2
port link-type access
port default vlan 50
 LSW3:
vlan batch 10 20 30 40 50
 interface Vlanif10
ip address 192.168.10.254 255.255.255.0
vrrp vrid 10 virtual-ip 192.168.10.250
interface Vlanif20
ip address 192.168.20.254 255.255.255.0
vrrp vrid 20 virtual-ip 192.168.20.250
interface Vlanif30
ip address 192.168.30.254 255.255.255.0
vrrp vrid 30 virtual-ip 192.168.30.250
vrrp vrid 30 priority 120
vrrp vrid 30 track interface GigabitEthernet0/0/2 reduced 30
interface Vlanif40
ip address 192.168.40.254 255.255.255.0
vrrp vrid 40 virtual-ip 192.168.40.250
vrrp vrid 40 priority 120
vrrp vrid 40 track interface GigabitEthernet0/0/2 reduced 30
interface Vlanif50
ip address 192.168.60.1 255.255.255.0
interface GigabitEthernet0/0/1
port link-type trunk
port trunk allow-pass vlan 10 20 30 40
interface GigabitEthernet0/0/2
port link-type access
port default vlan 50
LSW4:
vlan batch 10 20 30 40
interface GigabitEthernet0/0/1
port link-type access
port default vlan 10
interface GigabitEthernet0/0/2
port link-type access
port default vlan 20
interface GigabitEthernet0/0/3
port link-type access
port default vlan 30
interface GigabitEthernet0/0/4
port link-type access
port default vlan 40
interface GigabitEthernet0/0/5
port link-type trunk
port trunk allow-pass vlan 10 20 30 40
interface GigabitEthernet0/0/6
port link-type trunk
port trunk allow-pass vlan 10 20 30 40
 AR1:
interface GigabitEthernet0/0/0
ip address 192.168.50.2 255.255.255.0 
interface GigabitEthernet0/0/1
ip address 192.168.60.2 255.255.255.0 
浮动路由：
ip route-static 192.168.10.0 255.255.255.0 192.168.50.1
ip route-static 192.168.10.0 255.255.255.0 192.168.60.1 preference 100
ip route-static 192.168.20.0 255.255.255.0 192.168.50.1
ip route-static 192.168.20.0 255.255.255.0 192.168.60.1 preference 100
ip route-static 192.168.30.0 255.255.255.0 192.168.50.1 preference 100
ip route-static 192.168.30.0 255.255.255.0 192.168.60.1
ip route-static 192.168.40.0 255.255.255.0 192.168.50.1 preference 100
ip route-static 192.168.40.0 255.255.255.0 192.168.60.1
测试：
  display vrrp
  查看mster路由和backup路由

LSW2：

LSW3: