EIGRP adalah protokol routing yang termasuk proprietari Cisco, yang berarti hanya bisa dijalankan pada router Cisco, EIGRP bisa jadi merupakan protokol routing terbaik didunia jika bukan merupakan proprietari Cisco.
Kelebihan utama yang membedakan EIGRP dari protokol routing lainnya adalah EIGRP termasuk satu-satunya protokol routing yang menawarkan fitur backup route, dimana jika terjadi perubahan pada network, EIGRP tidak harus melakukan kalkulasi ulang untuk menentukan route terbaik karena bisa langsung menggunakan backup route. Kalkulasi ulang route terbaik dilakukan jika backup route juga mengalami kegagalan.
2. Berikut Perintah Konfigurasi EIGRP Pertama, kita buat topologi seperti dibawah ini
Kedua, ikuti konfigurasi dibawah ini
Router5(config)#int lo0
Router5(config-if)#ip address 1.1.1.1 255.255.255.255
Router6(config)#int lo0
Router6config-if)#ip add 2.2.2.2 255.255.255.255
Router7(config)#int lo0
Router7(config-if)#ip add 3.3.3.3 255.255.255.255
Konfigurasi EIGRP pada router. AS Number dalam semua router EIGRP harus
sama.Router5(config)#router eigrp ?
<1-65535> Autonomous system number
Router5(config)#router eigrp 10
Router5(config-router)#network 12.12.12.0 ?
A.B.C.D EIGRP wild card bits
<cr>
Router5(config-router)#network 12.12.12.0 0.0.0.255
Router5(config-router)#network 1.1.1.1 0.0.0.0
Router5(config-router)#no auto-summary
Router5(config-router)#ex
Router6(config)#router eigrp 10
Router6(config-router)#network 12.12.12.0 0.0.0.255
Router6(config-router)#network 23.23.23.0 0.0.0.255
Router6(config-router)#network 2.2.2.2 0.0.0.0
Router6(config-router)#no auto-summary
Router7(config)#router eigrp 10
Router7(config-router)#network 23.23.23.0 0.0.0.255
Router7(config-router)#network 3.3.3.3 0.0.0.0
Router7(config-router)#no auto-summary
No-auto summary bertujuan untuk menyertakan subnetmask dalam routing
EIGRP. Sekarang lakukan tes ping dan traceroute ke router jogja.
Router5#ping 2.2.2.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2.2.2.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/3/12 ms
Router5#ping 3.3.3.3
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 3.3.3.3, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/3/11 ms
Router5#traceroute 3.3.3.3
Type escape sequence to abort.
Tracing the route to 3.3.3.3
1 12.12.12.2 0 msec 2 msec 2 msec
2 23.23.23.3 1 msec 0 msec 1 msec
Router5#Pengecekan tabel routing.Router5#sh ip route
Gateway of last resort is not set
1.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
D 1.0.0.0/8 [90/2809856] via 12.12.12.2, 00:07:37, Serial0/0/0
C 1.1.1.1/32 is directly connected, Loopback0
2.0.0.0/32 is subnetted, 1 subnets
D 2.2.2.2 [90/2297856] via 12.12.12.2, 00:07:37, Serial0/0/0
3.0.0.0/32 is subnetted, 1 subnets
D 3.3.3.3 [90/2300416] via 12.12.12.2, 00:02:48, Serial0/0/0
12.0.0.0/24 is subnetted, 1 subnets
C 12.12.12.0 is directly connected, Serial0/0/0
23.0.0.0/24 is subnetted, 1 subnets
D 23.23.23.0 [90/2172416] via 12.12.12.2, 00:02:49, Serial0/0/0
Router5#
Router6#sh ip route
Gateway of last resort is not set
1.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
D 1.0.0.0/8 is a summary, 00:08:13, Null0
D 1.1.1.1/32 [90/2297856] via 12.12.12.1, 00:08:07, Serial0/0/0
2.0.0.0/32 is subnetted, 1 subnets
C 2.2.2.2 is directly connected, Loopback0
3.0.0.0/32 is subnetted, 1 subnets
D 3.3.3.3 [90/156160] via 23.23.23.3, 00:03:19, FastEthernet0/0
12.0.0.0/24 is subnetted, 1 subnets
C 12.12.12.0 is directly connected, Serial0/0/0
23.0.0.0/24 is subnetted, 1 subnets
C 23.23.23.0 is directly connected, FastEthernet0/0
Router6#
Router7#sh ip route
Gateway of last resort is not set
1.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
D 1.0.0.0/8 [90/2300416] via 23.23.23.2, 00:03:39, FastEthernet0/0
D 1.1.1.1/32 [90/2300416] via 23.23.23.2, 00:03:39, FastEthernet0/0
2.0.0.0/32 is subnetted, 1 subnets
D 2.2.2.2 [90/156160] via 23.23.23.2, 00:03:39, FastEthernet0/0
3.0.0.0/32 is subnetted, 1 subnets
C 3.3.3.3 is directly connected, Loopback0
12.0.0.0/24 is subnetted, 1 subnets
D 12.12.12.0 [90/2172416] via 23.23.23.2, 00:03:39, FastEthernet0/0
23.0.0.0/24 is subnetted, 1 subnets
C 23.23.23.0 is directly connected, FastEthernet0/0
Router7#
Tanda D menunjukkan bahwa route dihasilkan melalui protocol EIGRP. AD pada
EIGRP adalah 90 ditandai dengan warna kuning dan metic ditandai dengan warna
biru. Perhitungan metric menggunakan rumus tersendiri.
Sumber Referensi : https://pekoktenan.wordpress.com
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