NETWORK BLOG

  SWITCHING TECHNOLOGIES #26 : VRRP ( LOAD BALANCING )  Konfigurasi di PC PC-1 dan PC-2 PC1> ip 192.168.12.10/24 192.168.12.254 PC2> ip 192.168.12.11/24 192.168.12.253 Konfigurasikan VRRP di R1 dan R2   R1 R1(config)#interface FastEthernet0/1 R1(config-if)#vrrp 2 ip 192.168.12.253 R2 R2(config)#interface FastEthernet0/1 R2(config-if)#vrrp 2 ip 192.168.12.253 R2(config-if)#vrrp 2 priority 110 Verifikasi R1 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 Fa0/1 2 100 3609 Y Backup 192.168.12.2 192.168.12.253 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 Fa0/1 2 110 3570 Y Master 192.168.12.2 192.168.12.253

  SWITCHING TECHNOLOGIES #25 : VRRP ( IP SLA )  Hapus konfigurasi tracking bekas lab sebelumnya dan konfigurasikan IP SLA nya R1 R1(config)#no track 1 ip route 8.8.8.8 255.255.255.255 reachability R1(config)#ip sla 1 R1(config-ip-sla)#icmp-echo 8.8.8.8 source-interface f0/1 R1(config-ip-sla-echo)#frequency 10 R1(config-ip-sla-echo)#timeout 5000 R1(config-ip-sla-echo)#track 1 ip sla 1 reachability R1(config)#ip sla schedule 1 start-time now life forever ! R1(config)#do show run int f0/1 | i decrement vrrp 1 track 1 decrement 20 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 Shutdown interface loopback0 R3 sehingga ip 8.8.8.8 tidak bisa di ping R3 R3(config)#int lo0 R3(config-if)#shutdown R3(config-if)#exit Perhatikan status tracking akan berubah dari up menjadi down yang kemudian menjadi Backup R1 *Feb 3 12:37:17.739: %TRACKING-5-STATE: 1 ip sla 1 reachability Up->Down R1(config)# *Feb

  SWITCHING TECHNOLOGIES #24 : VRRP ( TRACK ROUTE )  R1 *Feb 3 12:29:47.971: %TRACKING-5-STATE: 1 ip route 8.8.8.8/32 reachability Up->Down R1(config)# *Feb 3 12:29:51.011: %VRRP-6-STATECHANGE: Fa0/1 Grp 1 state Master -> Backup ! R1(config)#do show vrrp brief Interface Grp Pri Time Own Pre State Master addr Group addr Fa0/1 1 90 3570 Y Backup 192.168.12.2 192.168.12.254 Dari sisi R1 akan berubah menjadi master dengan priority 100 R2 R2(config)#do show vrrp brief Interface Grp Pri Time Own Pre State Master addr Group addr Fa0/1 1 100 3609 Y Master 192.168.12.2 192.168.12.254 Aktifkan kembali interface loopback R3 R3 R3(config)#int lo0 R3(config-if)#no shutdown R3(config-if)#exit

  SWITCHING TECHNOLOGIES #23 : VRRP  Untuk topology masih sama, Hapus Konfigurasi HSRP di R1 dan R2 R1 dan R2 R1(config)#default int f0/1 R1(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 R1 dan R2 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 Ba

  SWITCHING TECHNOLOGIES #22 : HSRP ( LOAD BALANCING )    Konfigurasikan IP Address pada PC   PC-1 dan PC-2 PC1> ip 192.168.12.10/24 192.168.12.254 PC2> ip 192.168.12.11/24 192.168.12.253 Konfigurasikan command ini pada R1   R1 R1(config)#interface FastEthernet0/1 R1(config-if)#standby 2 ip 192.168.12.253 R1(config-if)#standby 2 preempt R1(config-if)#standby 2 authentication md5 key-string cisco R1(config-if)#standby 2 priority 110 R2 R2(config)#interface FastEthernet0/1 R2(config-if)#standby 2 ip 192.168.12.253 R2(config-if)#standby 2 preempt R2(config-if)#standby 2 authentication md5 key-string cisco Verifikasi   R1 dan R2 R1(config)#do show standby brief P indicates configured to preempt. | Interface Grp Pri P State Active Standby Virtual IP Fa0/1 1 100 P Standby 192.168.12.2 local 192.168.12.254 Fa0/1 2 110 P Active local 192.168.12.2 192.168.12.253 ! R2(config-if)#do show standby brief P indicates configured to preempt. | Interface Grp Pri P State Active Standby Virtual IP F

  SWITCHING TECHNOLOGIES #21 : HSRP ( IP SLA )  Hapus konfigurasi tracking bekas 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 ! note = untuk fitur trackingnya sudah dipasang bekas konfigurasi sebelumnya Verifikasi 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 Shutdown interface loopback0 R3 sehingga ip 8.8.8.8 tidak bisa di ping R3 R3(config)#interface lo0 R3(config-if)#shutdown R3(config-if)#exit Perhatikan bahwa status tracking kemudian akan berubah dari up menjadi down yang kemudian standby R2 *Feb 3 12:04:53.907: %TRACKING-5-STATE: 1 i