Lab 21. HSRP – IP SLA

Hapus config sebelumnya

R2

R2(config)#no track 1 ip route 8.8.8.8 255.255.255.255 reachability

!

R2(config)#ip sla 1

R2(config-ip-sla)#icmp-echo 8.8.8.8 source-interface f0/1

R2(config-ip-sla-echo)#frequency 10

R2(config-ip-sla-echo)#timeout 5000

R2(config-ip-sla-echo)#track 1 ip sla 1

reachability R2(config-track)#exit

R2(config)#ip sla schedule 1 start-time now life forever

!

* untuk fitur trackingnya sudah dipasang bekas konfigurasi

sebelumnya

cek

R2

R2(config)#do show standby brief

 P indicates configured to preempt.

 |

Interface Grp Pri P State Active Standby Virtual IP Fa0/1 1

110 P Active local 192.168.12.1 192.168.12.254

matikan loopback R3 , jadi ip 8.8.8.8 tidak bisa di ping

R3

R3(config)#interface lo0

R3(config-if)#shutdown

R3(config-if)#exit

status tracking menjadi down dari yang sebelumnya up kemudian standby

R2

*Feb 3 12:04:53.907: %TRACKING-5-STATE: 1 ip sla 1 reachability Up->Down

priority nya menjadi 90 dengan state standby

R2

R2(config)#do show standby brief

P indicates configured to preempt.

Interface Grp Pri P State Active Standby Virtual IP Fa0/1 1 90 P

Standby 192.168.12.1 local 192.168.12.254

AKTIFKAN LAGI LOOPBACK DI R3

R3

R3(config)#int lo0

R3(config-if)#no sh

R3(config-if)#ex

R2

R2(config)#

*Feb 3 12:07:18.907: %TRACKING-5-STATE: 1 ip sla 1 reachability Down->Up

*Feb 312:07:19.459:%HSRP-5-STATECHANGE:FastEthernet0/1Grp1stateStandby

-> Active

berubah menjadi up dan active  

prioritynya yaitu 110

R2

R2(config)#do show standby brief

 P indicates configured to preempt.

 |

Interface Grp Pri P State Active Standby Virtual IP Fa0/1 1 110

P Active local 192.168.12.1 192.168.12.254