Assalamu'alaikum Wr. Wb.
Menindak lanjuti akan Respon yang pertama tentang Individual Route vs Summarized Route, karena kesalah pahaman saya akan respon tersebut, berikut gambar yang kami ambil dari Modul Jarkom IV Pertemuan 2 :
Gambar 1 : Topologi Individual Route vs Summarized Route Maka pada posting hari ini saya akan membahas tentang step by step kanapa dengan network 172.16.0.0 /16 s/d 172.19.0.0 /16 menjadi 172.16.0.0 /14,bisa berhubungan antar network berikut gambar spesifikasinya :
Gambar 2 : Individual Route vs Summarized Route
Selanjutnya kita akan merubah bilangan desimal untuk menjadi bilangan biner, agar mempermudah dalam proses Summarized Route. Kenapa dalam proses summarized harus merubah bilangan desimal menjadi bilangan biner ..?? jawaban yang dapat saya jabarkan adalah untuk mempermudah dalam pembuatan summarized, karena dengan membuat biangan biner kita dapat mengetahui dan memilah bagian mana yang akan kita buang dan kita pakai untuk meringkat bilangan tersebut. Berikut gambaran dalam pembuatan summarized :
Gambar 3 : Hasil Summarized
Keterangan :
Warna Biru : Merupakan bilangan biner yang kita pertahankan bilangan bit yang sama sampai batas tertentu sesuai dengan bitnya, dan digunakan sebagai acuan untuk membuat summarized
Warna Merah : Merupakan bilangan biner yang kita buang, karena bilangan tersebut merupakan batas bilangan bit yang sama dimulai dari depan.
Warna Hijau : Merupakan bilangan biner dan bilangan desimal hasil dari summarized yang sudah disamakan dan dibuang sebagian untuk pembuatan summaryzed
Sekian penjelasan saya tentang summarized route, semoga penjelasan yang super singkat ini dapat memperjelas tentang proses summaryzed. Sedikit tentang Summarized Route : Digunakan untuk memperkecil routing table, sehingga membuat proses pencarian menjadi lebih efisien, karena lebih sedikit rute yang dicari oleh router. Untuk memperjelas penjelasan diatas saya sertakan Simulasi Konfigurasi dengan Packet Tracer, berikut gambar simulasinya :
Gambar 4 : Topologi Jaringan dengan Packet Tracer 5.3
Konfigurasi R1-Wachid
Router>enable
Router#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#hostname R1-Wachid
R1-Wachid(config)#interface FastEthernet0/0
R1-Wachid(config-if)#ip address 172.18.0.1 255.255.0.0
R1-Wachid(config-if)#no shutdown
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
R1-Wachid(config-if)#exit
R1-Wachid(config)#interface FastEthernet0/1
R1-Wachid(config-if)#ip address 172.19.0.1 255.255.0.0
R1-Wachid(config-if)#no shutdown
%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
R1-Wachid(config-if)#exit
R1-Wachid(config)#interface Serial0/0/0
R1-Wachid(config-if)#no ip address
R1-Wachid(config-if)#ip address 172.17.0.1 255.255.0.0
R1-Wachid(config-if)#no shutdown
R1-Wachid(config-if)#clock rate 9600
R1-Wachid(config-if)#exit
R1-Wachid(config)#ip route 172.16.0.0 255.255.0.0 172.17.0.0
R1-Wachid(config)#ip route 11.1.0.0 255.255.0.0 172.17.0.0
R1-Wachid(config)#ip route 10.1.0.0 255.255.0.0 172.17.0.0
R1-Wachid(config)#^Z
%SYS-5-CONFIG_I: Configured from console by console
R1-Wachid#write memory
Building configuration...
[OK]
R1-Wachid#
Router#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#hostname R1-Wachid
R1-Wachid(config)#interface FastEthernet0/0
R1-Wachid(config-if)#ip address 172.18.0.1 255.255.0.0
R1-Wachid(config-if)#no shutdown
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
R1-Wachid(config-if)#exit
R1-Wachid(config)#interface FastEthernet0/1
R1-Wachid(config-if)#ip address 172.19.0.1 255.255.0.0
R1-Wachid(config-if)#no shutdown
%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
R1-Wachid(config-if)#exit
R1-Wachid(config)#interface Serial0/0/0
R1-Wachid(config-if)#no ip address
R1-Wachid(config-if)#ip address 172.17.0.1 255.255.0.0
R1-Wachid(config-if)#no shutdown
R1-Wachid(config-if)#clock rate 9600
R1-Wachid(config-if)#exit
R1-Wachid(config)#ip route 172.16.0.0 255.255.0.0 172.17.0.0
R1-Wachid(config)#ip route 11.1.0.0 255.255.0.0 172.17.0.0
R1-Wachid(config)#ip route 10.1.0.0 255.255.0.0 172.17.0.0
R1-Wachid(config)#^Z
%SYS-5-CONFIG_I: Configured from console by console
R1-Wachid#write memory
Building configuration...
[OK]
R1-Wachid#
Konfigurasi R1-WDW
Router>enable
Router#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#hostname R2-WDW
R2-WDW(config)#interface FastEthernet0/0
R2-WDW(config-if)#no ip address
R2-WDW(config-if)#ip address 172.16.0.1 255.255.0.0
R2-WDW(config-if)#no shutdown
R2-WDW(config-if)#exit
R2-WDW(config)#interface Serial0/0/0
R2-WDW(config-if)#ip address 172.17.0.2 255.255.0.0
R2-WDW(config-if)#exit
R2-WDW(config)#interface Serial0/0/1
R2-WDW(config-if)#ip address 11.1.0.2 255.255.0.0
R2-WDW(config-if)#clock rate 9600
R2-WDW(config-if)#no shutdown
R2-WDW(config-if)#exit
R2-WDW(config)#ip route 172.18.0.0 255.255.0.0 172.17.0.0
R2-WDW(config)#ip route 172.19.0.0 255.255.0.0 172.17.0.0
R2-WDW(config)#ip route 10.1.0.0 255.255.0.0 11.1.0.0
R2-WDW(config)#^Z
R2-WDW#write memory
Building configuration...
[OK]
R2-WDW#ping 10.1.0.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.1.0.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 31/31/32 ms
R2-WDW#
Router#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#hostname R2-WDW
R2-WDW(config)#interface FastEthernet0/0
R2-WDW(config-if)#no ip address
R2-WDW(config-if)#ip address 172.16.0.1 255.255.0.0
R2-WDW(config-if)#no shutdown
R2-WDW(config-if)#exit
R2-WDW(config)#interface Serial0/0/0
R2-WDW(config-if)#ip address 172.17.0.2 255.255.0.0
R2-WDW(config-if)#exit
R2-WDW(config)#interface Serial0/0/1
R2-WDW(config-if)#ip address 11.1.0.2 255.255.0.0
R2-WDW(config-if)#clock rate 9600
R2-WDW(config-if)#no shutdown
R2-WDW(config-if)#exit
R2-WDW(config)#ip route 172.18.0.0 255.255.0.0 172.17.0.0
R2-WDW(config)#ip route 172.19.0.0 255.255.0.0 172.17.0.0
R2-WDW(config)#ip route 10.1.0.0 255.255.0.0 11.1.0.0
R2-WDW(config)#^Z
R2-WDW#write memory
Building configuration...
[OK]
R2-WDW#ping 10.1.0.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.1.0.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 31/31/32 ms
R2-WDW#
Konfigurasi R1-DeWe
Router>enable
Router#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#hostname R3-DeWe
R3-DeWe(config)#interface FastEthernet0/0
R3-DeWe(config-if)#ip address 10.1.0.1 255.255.0.0
R3-DeWe(config-if)#no shutdown
R3-DeWe(config-if)#exit
R3-DeWe(config)#interface Serial0/0/1
R3-DeWe(config-if)#ip address 11.1.0.1 255.255.0.0
R3-DeWe(config-if)#no shutdown
R3-DeWe(config-if)#exit
R3-DeWe#write memory
Building configuration...
[OK]
R3-DeWe#ping 172.19.0.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.19.0.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 62/69/94 ms
R3-DeWe#
R3-DeWe#show ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route
Gateway of last resort is not set
10.0.0.0/16 is subnetted, 1 subnets
C 10.1.0.0 is directly connected, FastEthernet0/0
11.0.0.0/16 is subnetted, 1 subnets
C 11.1.0.0 is directly connected, Serial0/0/1
S 172.16.0.0/14 [1/0] via 11.1.0.0
Router#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#hostname R3-DeWe
R3-DeWe(config)#interface FastEthernet0/0
R3-DeWe(config-if)#ip address 10.1.0.1 255.255.0.0
R3-DeWe(config-if)#no shutdown
R3-DeWe(config-if)#exit
R3-DeWe(config)#interface Serial0/0/1
R3-DeWe(config-if)#ip address 11.1.0.1 255.255.0.0
R3-DeWe(config-if)#no shutdown
R3-DeWe(config-if)#exit
R3-DeWe(config)#ip route 172.16.0.0 255.252.0.0 11.1.0.0
R3-DeWe(config-if)#^ZR3-DeWe#write memory
Building configuration...
[OK]
R3-DeWe#ping 172.19.0.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.19.0.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 62/69/94 ms
R3-DeWe#
R3-DeWe#show ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route
Gateway of last resort is not set
10.0.0.0/16 is subnetted, 1 subnets
C 10.1.0.0 is directly connected, FastEthernet0/0
11.0.0.0/16 is subnetted, 1 subnets
C 11.1.0.0 is directly connected, Serial0/0/1
S 172.16.0.0/14 [1/0] via 11.1.0.0
Sekian Refisi Respon 1 Jarkom IV yang saya posting untuk siang hari ini, semoga penjelasan saya diatas berkenan dan membuat kita menjadi tau bagaimana proses Routing Summarisation itu dilakukan. Dan tak lupa semoga bermanfaat bagi kita semua, dan terima kasih sudah berkunjung di Blog yang ala kadarnya seperti ini.
Update 18/4/2011 : Untuk Memperjelas Tutorial Konfigurasi Router Statis "Summarized" diatas, saya sertakan video tutorial konfigurasinya, monggo diliat bareng-bareng
Wassalamu'alaikum Wr. Wb.
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