Switching Lab 23 : VRRP (Virtual Router Redundancy Protocol)

 LAB 23

Untuk topology masih sama, Hapus Konfigurasi HSRP di R1 dan R2.

R1  dan R2

R1(config)#default int f0/1 

R2(config)#default int f0/1 

Konfigurasikan VRRP pada kedua Router

R1

R1(config)#interface FastEthernet0/1 
R1(config-if)#ip address 192.168.12.1 255.255.255.0 
R1(config-if)#vrrp 1 ip 192.168.12.254
R1(config-if)#vrrp 1 priority 110 

R1(config-if)#vrrp 1 authentication md5 key-string cisco 

R2

R2(config)#interface FastEthernet0/1 
R2(config-if)#ip address 192.168.12.2 255.255.255.0 
R2(config-if)#vrrp 1 ip 192.168.12.254 

R2(config-if)#vrrp 1 authentication md5 key-string cisco 

Konfigurasi di PC 

PC1 dan PC2

PC1> ip 192.168.12.10/24 192.168.12.254 

PC2> ip 192.168.12.11/24 192.168.12.254

Verifikasi

R1

R1(config)#do show vrrp brief 
Interface Grp Pri Time Own Pre State Master addr Group addr Fa0/1 

1 110 3570 Y Master 192.168.12.1 192.168.12.254

R2

R2(config)#do show vrrp brief 
Interface Grp Pri Time Own Pre State Master addr Group addr Fa0/1 

1 100 3609 Y Backup 192.168.12.1 192.168.12.254 

Shutdown interface f0/1 R1 (Master)

R1

R1(config-if)#shutdown 
R1(config-if)# 
*Des 1012:22:54.167: %VRRP-6-STATECHANGE: Fa0/1 Grp 1 state Master -> Init 
R1(config-if)# 
*Des 10 12:22:54.275: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 1: Neighbor

 192.168.12.2 (FastEthernet0/1) is down: interface down 

R2

R2(config)# 

*Des 10 12:22:54.775: %VRRP-6-STATECHANGE: Fa0/1 Grp 1 state Backup -> Master 

R2(config)#do show vrrp brief 
Interface Grp Pri Time Own Pre State Master addr Group addr Fa0/1 

1 100 3609 YMaster 192.168.12.2 192.168.12.254 

R1

R1(config)#do show vrrp brief 
Interface Grp Pri Time Own Pre State Master addr Group addr Fa0/1 

1 110 3570 Y Init 0.0.0.0 192.168.12.254