18-热备份路由协议(HSRP).pptVIP

* Page */39 显示HSRP的状态2-1 显示HSRP路由器的状态 其中 type-number : 要显示的目标接口类型和序号 Group : 要显示的接口所隶属的HSRP组 Brief : 每个备份组总结显示一行输出 routerA#show standby brief Interface Grp Prio P State Active addr Standby addr Group addr Faste0/1 47 200 p Active local 172.16.10.169 172.16.10.110 routerA#show standby type-number group brief Page */39 显示HSRP的状态2-2 RouterA#show standby Fasternet0/1 - Group 47 Local state is Active, priority 200，may preempt. Hellotime 3 sec, holdtime 10 sec Next hello sent in 2.954 Hot Standby IP Address is is 172.16.10.110 configured Active router is local Standby router is 172.16.10.169, priority 150 expires in 8.388 Standby Viirtual mac address is 0000.0c07.ac2f Priority tracking 1 interface, 1 up: Interface Decrement State Serial1 100 up Page */39 Debug调试 在特权模式下启用调试功能 注意： 在实际网络环境启用DEBUG调试命令要小心，该命令可能会导致路由器资源耗尽 router#debug standby Page */39 Debug调试结果输出分析 Router#debug standby SB47: Fastereth0/1 state Virgin -Listen SB47: Starting up hot standby process SB47: Fastereth0/1 Hello in 172.16.10.169 Active pri 150 hel 3 hol 10 ip 172.16.10.110 SB47: Fastereth0/1 Hello in 172.16.10.169 Active pri 150 hel 3 hol 10 ip 172.16.10.110 SB47: Fastereth0/1 state Listen -Speak SB47: Fastereth0/1 Hello out 172.16.10.82 Speak pri 200 hel 3 hol 10 ip 172.16.10.110 SB47: Fastereth0/1 Hello in 172.16.10.169 Active pri 150 hel 3 hol 10 ip 172.16.10.110 SB47: Fastereth0/1 state Speak- Standby SB47: Fastereth0/1 Hello out 172.16.10.82 Standby pri 200 hel 3 hol 10 ip 172.16.10.110 SB47: Fastereth0/1 Hello in 172.16.10.169 Active pri 150 hel 3 hol 10 ip 172.16.10.110 SB47: Fastereth0/1 state Standby- Active SB47: Fastereth0/1 Hello out 172.16.10.82 Active pri 200 hel 3 hol 10 ip 172.16.10.110 SB47: Fastereth0/1 Hello in 172.16.10.169 speak pri 150 hel 3 hol 10 ip 172.16.10.110 Page */39 本章总结 热备份路由协议 VRRP 冗余性网络中的路由问题 路由问题