osi layer 3 – routing (part2)
DESCRIPTION
OSI Layer 3 – Routing (part2). Nyoman Suryadipta , ST, CCNP. Routing. Rute. =. Pengirim. ke. Penerima. Routing. Router. =. Why Routing is Important ???. ROUTING = PERJALANAN PERGI & PULANG HARUS DIKONFIGURASI DI ROUTER PENGIRIM & PENERIMA. R1. R2. 192.168.1.0/24. 10.10.1.0/24. - PowerPoint PPT PresentationTRANSCRIPT
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OSI Layer 3 – Routing (part2)
Nyoman Suryadipta, ST, CCNP
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Routing = RutePengirim ke PenerimaRouting = Router
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Why Routing is Important ???
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ROUTING = PERJALANAN PERGI & PULANG HARUS DIKONFIGURASI DI ROUTER PENGIRIM & PENERIMA
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R1 R2
192.168.1.0/24 10.10.1.0/24
INTERNETWORK CONNECTION ROUTER DAPAT MENGHUBUNGKAN 2 JENIS ATAU LEBIH ALAMAT JARINGAN YANG BERBEDA
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BEST PATHUntuk mencapai tujuan Router dapat melakukan
pengambilan keputusan dalam menentukan rute terbaik
Rute terbaik = Jalan terpendek/Bandwidth lebar/Delay rendah dsb
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Jenis Routing
Statis Dinamis
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Jenis Routing
Statis = Simple, Praktis, no ribet •Hanya cocok untuk jaringankecil/sederhana•Diperlukan input secara manual disetiap router saat
penambahan jaringan baru •Tidak cocok untuk jaringan kompleks dengan banyak
router
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Jenis Routing Dinamis = Powerfull, kompleks • Cocok untuk jaringan besar dengan banyak router• Skala enterprise / ISP • Diperlukan skill / pengetahuan routing yang baik• Dapat menangani jaringan kompleks multi vendor, multi ISP
maupun antar Negara • Biaya tinggi karena membutuhkan spesifikasi router khusus
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ROUTING STATIS
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ROUTING FORMULA
IP ROUTE (JARINGAN YG DITUJU) (SUBNET MASK) (IP ROUTER TETANGGA/OUT INTERFACE ROUTER PENGIRIM)
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Router Interface (PORT)
ROUTER MEMPUNYAI 2 INTERFACE ATAU LEBIH -> KE JARINGAN INTERNAL (SBG GATEWAY & MENUJU MODEM INTERNET ATAU ROUTER LAINNYA
INTERFACE SERIAL DIGUNAKAN UNTUK KONEKSI JARINGAN WAN
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Fa0/1192.168.1.1
255.255.255.0
192.168.1.2255.255.255.0
Gateway : 192.168.1.1
Fa0/110.10.1.1255.255.255.0
10.10.1.2255.255.255.0
Gateway : 10.10.1.1
Fa0/0172.16.1.1255.255.255.0
Fa0/0172.16.1.2
255.255.255.0R1 R2
IP ROUTE R1 & R2 ???
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R1 = IP ROUTE 10.10.1.0 255.255.255.0 172.16.1.2
192.168.1.2255.255.255.0
Gateway : 192.168.1.1
10.10.1.2255.255.255.0
Gateway : 10.10.1.1
R1 R2
JARINGAN TUJUAN
SUBNET MASK NEXT HOP
Fa0/1192.168.1.1
255.255.255.0
Fa0/110.10.1.1255.255.255.0
Fa0/0172.16.1.1255.255.255.0
Fa0/0172.16.1.2
255.255.255.0
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Atau R1 Next Hop via Interface
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R1 = IP ROUTE 10.10.1.0 255.255.255.0 Fa0/0
192.168.1.2255.255.255.0
Gateway : 192.168.1.1
10.10.1.2255.255.255.0
Gateway : 10.10.1.1
R1 R2
JARINGAN TUJUAN
SUBNET MASK OUT INTERFACE
Fa0/1192.168.1.1
255.255.255.0
Fa0/110.10.1.1255.255.255.0
Fa0/0172.16.1.1255.255.255.0
Fa0/0172.16.1.2
255.255.255.0
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R2 = IP ROUTE 192.168.1.0 255.255.255.0 172.16.1.1
192.168.1.2255.255.255.0
Gateway : 192.168.1.1
10.10.1.2255.255.255.0
Gateway : 10.10.1.1
R1 R2
JARINGAN TUJUAN
SUBNET MASK NEXT HOP
Fa0/1192.168.1.1
255.255.255.0
Fa0/110.10.1.1255.255.255.0
Fa0/0172.16.1.1255.255.255.0
Fa0/0172.16.1.2
255.255.255.0
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Atau R2 Next Hop via Interface
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R2 = IP ROUTE 192.168.1.0 255.255.255.0 Fa0/0
192.168.1.2255.255.255.0
Gateway : 192.168.1.1
10.10.1.2255.255.255.0
Gateway : 10.10.1.1
R1 R2
JARINGAN TUJUAN
SUBNET MASK NEXT HOP
Fa0/1192.168.1.1
255.255.255.0
Fa0/110.10.1.1255.255.255.0
Fa0/0172.16.1.1255.255.255.0
Fa0/0172.16.1.2
255.255.255.0
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Fa0/1192.168.1.1
255.255.255.0
192.168.1.2255.255.255.0
Gateway : 192.168.1.1
Fa0/1172.16.2.1255.255.255.0
10.10.1.2255.255.255.0
Gateway : 10.10.1.1
Fa0/0172.16.1.1255.255.255.0
Fa0/0172.16.1.2
255.255.255.0R1 R2
IP ROUTE R1,R2 & R3 ???
Fa0/110.10.1.1255.255.255.0
Fa0/0172.16.2.2
255.255.255.0R3
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Fa0/1192.168.1.1
255.255.255.0
192.168.1.2255.255.255.0
Gateway : 192.168.1.1
Fa0/1172.16.2.1255.255.255.0
10.10.1.2255.255.255.0
Gateway : 10.10.1.1
Fa0/0172.16.1.1255.255.255.0
Fa0/0172.16.1.2
255.255.255.0R1 R2
R1ip route 172.16.2.0 255.255.255.0 172.16.1.2ip route 10.10.1.0 255.255.255.0 172.16.1.2
R2Ip route 192.168.1.0 255.255.255.0 172.16.1.1
Ip route 10.10.1.0 255.255.255.0 172.16.2.2
R3Ip route 172.16.1.0 255.255.255.0 172.16.2.1
Ip route 192.168.1.0 255.255.255.0 172.16.2.1
Fa0/110.10.1.1255.255.255.0
Fa0/0172.16.2.2
255.255.255.0R3
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Fa0/1192.168.1.1
255.255.255.0
192.168.1.2255.255.255.0
Gateway : 192.168.1.1
Fa0/1172.16.2.1255.255.255.0
10.10.1.2255.255.255.0
Gateway : 10.10.1.1
Fa0/0172.16.1.1255.255.255.0
Fa0/0172.16.1.2
255.255.255.0R1 R2
R1ip route 0.0.0.0 0.0.0.0 172.16.1.2
R2Ip route 192.168.1.0 255.255.255.0 172.16.1.1
Ip route 10.10.1.0 255.255.255.0 172.16.2.2
R3Ip route 0.0.0.0 0.0.0.0 172.16.2.1
Fa0/110.10.1.1255.255.255.0
Fa0/0172.16.2.2
255.255.255.0R3
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GROUP PRACTICE
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Routing Statis tidak bisa menangani Routing dengan Banyak jalur alternatif (multipath routing)
Routing Dinamis dapat menangani Multipath RoutingDan mencari Rute alternative jika jalur Utama terputus
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IGP = Interior Gateway Protocol EGP = Exterior Gateway Protocol