HSRP基础实验

拓扑图

 

实验过程

1.       pc的配置

Router>en Router#conf t Enter configuration commands, one per line.  End with CNTL/Z. Router(config)#no ip domain-lookup Router(config)#line con 0 Router(config-line)#no exec-timeout Router(config-line)#loggin syn Router(config-line)#exit Router(config)#host pc pc(config)#no ip routing pc(config)#int f0/0 pc(config-if)#no shut pc(config-if)#ip add 192.168.1.1 255.255.255.0 pc(config-if)#exit pc(config)#ip default-gateway 192.168.1.254 pc(config)#end

2.       R1的配置

Router>en Router#conf t Enter configuration commands, one per line.  End with CNTL/Z. Router(config)#no ip domain-lookup Router(config)#line con 0 Router(config-line)#no exec-timeout Router(config-line)#loggin syn Router(config-line)#exit Router(config)#host R1 R1(config)#int f0/0 R1(config-if)#no shut R1(config-if)#ip add 192.168.1.10 255.255.255.0 R1(config-if)#standby 10 ip 192.168.1.254  //配置hsrp组10的IP

3.       R2的配置

Router>en Router#conf t Enter configuration commands, one per line.  End with CNTL/Z. Router(config)#no ip domain-lookup Router(config)#line con 0 Router(config-line)#no exec-timeout Router(config-line)#loggin syn Router(config-line)#exit Router(config)#host R2 R2(config)#int f0/0 R2(config-if)#no shut R2(config-if)#ip add 192.168.1.20 255.255.255.0 R2(config-if)#standby 10 ip 192.168.1.254 R2(config-if)#end

4.       查看HSRP信息

R1#show standby brief                      P indicates configured to preempt.                      | Interface   Grp Prio P State    Active          Standby         Virtual IP     Fa0/0       10  100  P Active   local           192.168.1.20    192.168.1.254 R2#show standby brief                      P indicates configured to preempt.                      | Interface   Grp Prio P State    Active          Standby         Virtual IP     Fa0/0       10  100  P Standby  192.168.1.10    local           192.168.1.254

说明：现在R1是Active Router，R2是Standby Router。

 

5.       测试连通性

pc#ping 192.168.1.254   Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 192.168.1.254, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 4/224/1064 ms pc#traceroute 192.168.1.254   Type escape sequence to abort. Tracing the route to 192.168.1.254     1 192.168.1.10 28 msec *  20 msec  //pc走的是R1

6.       关闭R1的f0/0口，模拟故障

R1(config)#int f0/0 R1(config-if)#shut R2#show standby bri                      P indicates configured to preempt.                      | Interface   Grp Prio P State    Active          Standby         Virtual IP     Fa0/0       10  100  P Active   local       unknown         192.168.1.254

说明：现在R2是Active Router。

 

7.       测试连通性

pc#ping 192.168.1.254        Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 192.168.1.254, timeout is 2 seconds: .!!!! Success rate is 80 percent (4/5), round-trip min/avg/max = 16/52/100 ms pc#traceroute 192.168.1.254 *Mar  1 00:21:50.615: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered on FastEthernet0/0 (not half duplex), with R2 FastEthernet0/0 (half duplex). pc#traceroute 192.168.1.254   Type escape sequence to abort. Tracing the route to 192.168.1.254     1 192.168.1.20 56 msec *  52 msec  //pc走R2路由器