Senin, 26 Agustus 2019

Penerapan Routing BGP di Cisco

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Dalam tutorial kali ini saya akan menjelaskan salah satu penerapan routing protocol BGP di cisco, dengan menggunkan tools cisco packet tracer

BGP merupakan salah satu jenis routing protokol yang digunakan untuk koneksi antar Autonomous System (AS), dan salah satu jenis routing protokol yang banyak digunakan di ISP maupun perbankan. BGP termasuk dalam kategori routing protokol jenis Exterior Gateway Protokol (EGP).
(https://santekno.blogspot.co.id/)

Dalam studi kasus ini, saya akan menerapkan gabungan antara routing protocol EGP dengan IGP, dan protocol IGP yang akan saya terapkan yaitu OSPF dan EIGRP dengan topologi seperti berikut

Langkah-langkah:

1. Tambahkan IP di Setiap Interface
R1 (kiri bawah)Router>enable
Router#conf t
Router(config)#int gi0/0
Router(config-if)#ip add 192.168.1.1 255.255.255.0
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#int gi0/1
Router(config-if)#ip add 11.11.11.1 255.255.255.252
Router(config-if)#no shut
Router(config-router)#exit

R1 (kiri atas)
Router>enable
Router#conf t
Router(config)#int gi0/0
Router(config-if)#ip add 11.11.11.2 255.255.255.252
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#int gi0/1
Router(config-if)#ip add 10.10.10.1 255.255.255.252
Router(config-if)#no shut
Router(config-router)#exit

R3 (kanan atas)
Router>enable
Router#conf t
Router(config)#int gi0/0
Router(config-if)#ip add 10.10.10.2 255.255.255.252
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#int gi0/1
Router(config-if)#ip add 12.12.12.1 255.255.255.252
Router(config-if)#no shut
Router(config-router)#exit

R3 (kanan bawah)
Router>enable
Router#conf t
Router(config)#int gi0/0
Router(config-if)#ip add 12.12.12.2 255.255.255.252
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#int gi0/1
Router(config-if)#ip add 192.168.2.1 255.255.255.0
Router(config-if)#no shut
Router(config-router)#exit

2. Tambahkan Routing OSPF maupun EIGRP
EIGRP
R1 (kiri bawah)
Router(config)#router eigrp 1
Router(config-router)#network 192.168.1.0
Router(config-router)#network 11.11.11.0
Router(config-router)#exit


R1 (kiri atas)
Router(config)#router eigrp 2
Router(config-router)#network 11.11.11.0
Router(config-router)#exit

OSPF
R3 (kanan atas)
Router(config)#router ospf 1
Router(config-router)#network 12.12.12.0 0.0.0.3 area 1
Router(config-router)#exit

R4 (kanan bawah)
Router(config)#router ospf 1
Router(config-router)#network 192.168.2.0 0.0.0.255 area 1
Router(config-router)#network 12.12.12.0 0.0.0.3 area 1
Router(config-router)#exit

3. Tambahkan Routing BGP
R2 (kiri atas)
Router(config)#router bgp 100
Router(config-router)#neighbor 10.10.10.2 remote-as 200
Router(config-router)#network 10.10.10.0
Router(config-router)#exit

R3 (kanan atas)

Router(config)#router bgp 200

Router(config-router)#neighbor 10.10.10.1 remote-as 100

Router(config-router)#network 10.10.10.0
Router(config-router)#exit

4. Redistribute antar protocol Routing
R2 (kiri atas)
Router(config)#router bgp 100
Router(config-router)#redistribute eigrp 2
Router(config-router)#exit
Router(config)#router eigrp 2
Router(config-router)#redistribute bgp 100
Router(config-router)#exit

R3 (kanan atas)

Router(config)#router bgp 200
Router(config-router)#redistribute ospf 1
Router(config-router)#exit
Router(config)#router ospf 1
Router(config-router)#redistribute bgp 200
Router(config-router)#exit

5. Pengujian
PC A (kiri)

C:\>ping 192.168.2.2

Pinging 192.168.2.2 with 32 bytes of data:

Reply from 192.168.2.2: bytes=32 time=1ms TTL=125
Reply from 192.168.2.2: bytes=32 time<1ms TTL=125
Reply from 192.168.2.2: bytes=32 time<1ms TTL=125
Reply from 192.168.2.2: bytes=32 time<1ms TTL=125

Ping statistics for 192.168.1.2:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 1ms, Average = 0ms

PC A (kiri)

C:\>ping 192.168.1.2

Pinging 192.168.1.2 with 32 bytes of data:


Reply from 192.168.1.2: bytes=32 time=1ms TTL=125
Reply from 192.168.1.2: bytes=32 time<1ms TTL=125
Reply from 192.168.1.2: bytes=32 time<1ms TTL=125
Reply from 192.168.1.2: bytes=32 time<1ms TTL=125

Ping statistics for 192.168.1.2:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 1ms, Average = 0ms

Fahrul Ahmad Fauzi
Pendidikan Teknik Informatika
Universitas Negeri Yogyakarta

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