HSRP 配置

HSRP為cisco私有協定：

R1配置：

R1(config)#interface ethernet 0/1

R1(config-if)#standby 10 ip 192.168.10.1

R1(config-if)#standby 10 preempt

R1(config-if)#standby 10 ? 

  authentication  Authentication

  ip              Enable HSRP and set the virtual IP address

  mac-address     Virtual MAC address

  name            Redundancy name string

  preempt         Overthrow lower priority Active routers

  priority        Priority level

  timers          Hello and hold timers

  track           Priority tracking

R1(config-if)#end

*Mar  1 00:31:43.127: %HSRP-5-STATECHANGE: Ethernet0/1 Grp 10 state Speak -> Standby

*Mar  1 00:31:43.627: %HSRP-5-STATECHANGE: Ethernet0/1 Grp 10 state Standby -> Active

                                                       ----預設情況下，誰先配的誰就是Active

R1#show standby

Ethernet0/1 - Group 10

  State is Standby

    4 state changes, last state change 00:00:23

  Virtual IP address is 192.168.10.1                   ----這個位址是虛拟的，不是真實位址

  Active virtual MAC address is 0000.0c07.ac0a         ----此處的MAC位址虛拟的，0a表示組号10

    Local virtual MAC address is 0000.0c07.ac0a (v1 default)

  Hello time 3 sec, hold time 10 sec                   ----預設時間

    Next hello sent in 0.512 secs

  Preemption disabled

  Active router is 192.168.10.3, priority 200 (expires in 9.476 sec)

  Standby router is local

  Priority 100 (default 100)

  IP redundancy name is "hsrp-Et0/1-10" (default)

R1#

R2配置：