Kamis, 15 November 2012

Lab 101. BGP Multihoming - ISP Sama - Load Balancing


Objective : 
  • Mempelajari BGP Load Balancing
  • Mempelajari BGP Maximum Path
Topologi Lab :
 Konfigurasi R1

!
interface Loopback0
 ip address 1.1.1.1 255.255.255.255
!
interface Serial0/0
 ip address 12.12.12.1 255.255.255.0
 no fair-queue
 clock rate 2000000
!
interface Serial0/1
 ip address 13.13.13.1 255.255.255.0
 clock rate 2000000
!
router bgp 1
 no synchronization
 bgp log-neighbor-changes
 network 1.1.1.1 mask 255.255.255.255
 neighbor 12.12.12.2 remote-as 23
 neighbor 13.13.13.3 remote-as 23
 no auto-summary
!

Konfigurasi R2

!
interface Loopback0
 ip address 2.2.2.2 255.255.255.255
!
interface FastEthernet0/0
 ip address 23.23.23.2 255.255.255.0
 duplex auto
 speed auto
!
interface Serial0/0
 ip address 12.12.12.2 255.255.255.0
 clock rate 2000000
!
interface Serial0/1
 ip address 24.24.24.2 255.255.255.0
 clock rate 2000000
!
router bgp 23
 no synchronization
 bgp log-neighbor-changes
 neighbor 12.12.12.1 remote-as 1
 neighbor 23.23.23.3 remote-as 23
 neighbor 24.24.24.4 remote-as 4
 no auto-summary
!

Konfigurasi R3

!
interface Loopback0
 ip address 3.3.3.3 255.255.255.255
!
interface FastEthernet0/0
 ip address 23.23.23.3 255.255.255.0
 duplex auto
 speed auto
!
interface Serial0/0
 ip address 13.13.13.3 255.255.255.0
 clock rate 2000000
!
interface Serial0/1
 ip address 34.34.34.3 255.255.255.0
 clock rate 2000000
!
router bgp 23
 no synchronization
 bgp log-neighbor-changes
 neighbor 13.13.13.1 remote-as 1
 neighbor 23.23.23.2 remote-as 23
 neighbor 34.34.34.4 remote-as 4
 no auto-summary
!

Konfigurasi R4

!
interface Loopback0
 ip address 4.4.4.4 255.255.255.255
!
interface Serial0/0
 ip address 24.24.24.4 255.255.255.0
 clock rate 2000000
!
interface Serial0/1
 ip address 34.34.34.4 255.255.255.0
 clock rate 2000000
!
router bgp 4
 no synchronization
 bgp log-neighbor-changes
 network 4.4.4.4 mask 255.255.255.255
 neighbor 24.24.24.2 remote-as 23
 neighbor 34.34.34.3 remote-as 23
 no auto-summary
!

Verifikasi Lab 

BGP secara default hanya akan menggunakan 1 jalur saja. Untuk dapat menggunakan lebih dari satu jalur perlu diset maximum path terlebih dahulu.
 Bila dilakukan traceroute akan dapat diketahui bahwa kedua jalurnya digunakan bersamaan..

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