Cisco HSRP 实例

 

标记：接入层交换机我们标记为sw1,做热备的两台交换机，左边的我们标记为sw2，右边的标记为sw3。

说明：我这里的连线方式和拓扑上的不一样，具体方式如下：
Switch1 F0/1 <----> Switch2 F0/1
Switch1 F0/2 <----> Switch3 F0/2
Switch2 F0/10 <----> Switch3 F0/10
Switch2 F0/2 <----> Switch4 F0/2
Switch3 F0/1 <----> Switch4 F0/1
Router1 F0/0 <----> Switch4 F0/0

router配置：

FastEthernet0/0
address 172.16.1.1 255.255.255.0
      
interface Serial1/0
ip address 10.250.34.51 255.255.255.0


ip route 0.0.0.0 0.0.0.0 Serial1/0 2
ip route 192.168.10.0 255.255.255.0 172.16.1.2
ip route 192.168.10.0 255.255.255.0 172.16.1.3
ip route 192.168.20.0 255.255.255.0 172.16.1.3
ip route 192.168.20.0 255.255.255.0 172.16.1.2

sw1配置：

interface FastEthernet0/1
port mode trunk
!      
interface FastEthernet0/2
switchport mode trunk

sw2配置：

interface Port-channel1
switchport mode trunk
!
interface FastEthernet0/1
switchport mode trunk
!
interface FastEthernet0/2
no switchport
ip address 172.16.1.2 255.255.255.0

interface FastEthernet0/10
switchport mode trunk
!
interface FastEthernet0/11
switchport mode trunk
!
interface FastEthernet0/12
switchport mode trunk
interface Vlan10
ip address 192.168.10.254 255.255.255.0
standby 1 ip 192.168.10.250
standby 1 timers 3 50
standby 1 priority 200
standby 1 preempt
standby 1 track FastEthernet0/2 150
!
interface Vlan20
ip address 192.168.20.254 255.255.255.0
standby 2 ip 192.168.20.250
standby 2 preempt
standby 2 track FastEthernet0/2

sw3配置：

interface Port-channel1
switchport mode trunk
!
interface FastEthernet0/0
!
interface FastEthernet0/1
no switchport
ip address 172.16.1.3 255.255.255.0
!
interface FastEthernet0/2
switchport mode trunk
interface FastEthernet0/10
switchport mode trunk
interface FastEthernet0/11
switchport mode trunk
interface FastEthernet0/12
switchport mode trunk

interface Vlan10
ip address 192.168.10.253 255.255.255.0
standby 1 ip 192.168.10.250
standby 1 timers 3 50
standby 1 preempt
standby 1 track FastEthernet0/1
!
interface Vlan20
ip address 192.168.20.253 255.255.255.0
standby 2 ip 192.168.20.250
standby 2 priority 200
standby 2 preempt
standby 2 track FastEthernet0/1 150
mac-address-table static 0000.0c07.ac02 interface FastEthernet0/10 vlan 20

sw4我这里没有做任何配置，大家可以根据需要在上面作访问控制列表之类的配置