Pada kesempatan kali ini, kita akan belajar bagaimana cara konfigurasi EIGRP. Walaupun kelihatannya sederhana, akan tetapi ini akan dipakai untuk lab EIGRP kedepannya.

Langsung saja ke bagian lab nya, topologi yang akan digunakan seperti ini.

Untuk konfigurasinya EIGRP sendiri seperti ini

Router(config)#router eigrp <AS Number>
Router(config-router)# network <Network ID> <Wildcard Mask>

Pertama, kita lakukan addressing pada setiap router.

R1

R1(config)#int range g0/0-7
R1(config-if-range)#no shutdown
R1(config-if-range)#int lo0
R1(config-if)#ip address 1.1.1.1 255.255.255.255
R1(config-if)#int gig0/0
R1(config-if)#ip address 10.10.15.1 255.255.255.248
R1(config-if)#int gig0/1
R1(config-if)#ip address 10.10.14.1 255.255.255.248

R2

R2(config)#int range g0/0-7
R2(config-if-range)#no shutdown
R2(config-if-range)#int lo0
R2(config-if)#ip address 2.2.2.2 255.255.255.255
R2(config-if)#int gig0/0
R2(config-if)#ip address 10.10.24.2 255.255.255.248
R2(config-if)#int gig0/1
R2(config-if)#ip address 10.10.25.2 255.255.255.248

R3

R3(config)#int range g0/0-7
R3(config-if-range)#no shutdown
R3(config-if-range)#int lo0
R3(config-if)#ip address 3.3.3.3 255.255.255.255
R3(config-if)#int gig0/0
R3(config-if)#ip address 10.10.34.3 255.255.255.248
R3(config-if)#int gig0/1
R3(config-if)#ip address 10.10.35.3 255.255.255.248

R4

R4(config)#int range g0/0-7
R4(config-if-range)#no shutdown
R4(config-if-range)#int lo0
R4(config-if)#ip address 4.4.4.4 255.255.255.255
R4(config-if)#int gig0/0
R4(config-if)#ip address 10.10.24.4 255.255.255.248
R4(config-if)#int gig0/1
R4(config-if)#ip address 10.10.14.4 255.255.255.248
R4(config-if)#int gig0/2
R4(config-if)#ip address 10.10.45.4 255.255.255.0
R4(config-if)#int gig0/3
R4(config-if)#ip address 10.10.47.4 255.255.255.0
R4(config-if)#int gig0/4
R4(config-if)#ip address 10.10.34.4 255.255.255.248
R4(config-if)#int gig0/6
R4(config-if)#ip address 10.10.49.4 255.255.255.0

R5

R5(config)#int range g0/0-7
R5(config-if-range)#no shutdown
R5(config-if-range)#int lo0
R5(config-if)#ip address 5.5.5.5 255.255.255.255
R5(config-if)#int gig0/0
R5(config-if)#ip address 10.10.15.5 255.255.255.248
R5(config-if)#int gig0/1
R5(config-if)#ip address 10.10.25.5 255.255.255.248
R5(config-if)#int gig0/2
R5(config-if)#ip address 10.10.56.5 255.255.255.0
R5(config-if)#int gig0/3
R5(config-if)#ip address 10.10.58.5 255.255.255.0
R5(config-if)#int gig0/5
R5(config-if)#ip address 10.10.35.5 255.255.255.248
R5(config-if)#int gig0/6
R5(config-if)#ip address 10.10.50.5 255.255.255.0

Sekarang kita lanjutkan ke konfigurasi EIGRP.

R1

R1(config)#router eigrp 1 
R1(config-router)# network 10.10.14.0 0.0.0.7 
R1(config-router)# network 10.10.15.0 0.0.0.7 
R1(config-router)# network 1.1.1.1

R2

R2(config)#router eigrp 1 
R2(config-router)# network 10.10.24.0 0.0.0.7 
R2(config-router)# network 10.10.24.0 0.0.0.7 
R2(config-router)# network 2.2.2.2

R3

R3(config)#router eigrp 1 
R3(config-router)# network 10.10.34.0 0.0.0.7 
R3(config-router)# network 10.10.34.0 0.0.0.7 
R3(config-router)# network 3.3.3.3

R4

R4(config)#router eigrp 1 
R4(config-router)# network 10.10.14.0 0.0.0.7 
R4(config-router)# network 10.10.24.0 0.0.0.7 
R4(config-router)# network 10.10.34.0 0.0.0.7 
R4(config-router)# network 10.10.45.0 0.0.0.255 
R4(config-router)# network 10.10.47.0 0.0.0.255 
R4(config-router)# network 10.10.49.0 0.0.0.255 
R4(config-router)# network 4.4.4.4

R5

R5(config)#router eigrp 1
R5(config-router)# network 10.10.15.0 0.0.0.7
R5(config-router)# network 10.10.25.0 0.0.0.7
R5(config-router)# network 10.10.35.0 0.0.0.7
R5(config-router)# network 10.10.56.0 0.0.0.255
R5(config-router)# network 10.10.58.0 0.0.0.255
R5(config-router)# network 10.10.50.0 0.0.0.255
R5(config-router)# network 5.5.5.5

Ketika sudah melakukan penambahan konfig EIGRP, maka terjadilah proses adjacency

*May 20 20:30:41.301: %DUAL-5-NBRCHANGE: EIGRP-IPv4 1: Neighbor 10.10.15.1 (GigabitEthernet0/0) is up: new adjacency
*May 20 20:30:41.410: %DUAL-5-NBRCHANGE: EIGRP-IPv4 1: Neighbor 10.10.25.2 (GigabitEthernet0/1) is up: new adjacency
*May 20 20:30:41.577: %DUAL-5-NBRCHANGE: EIGRP-IPv4 1: Neighbor 10.10.35.3 (GigabitEthernet0/5) is up: new adjacency

Saat ini, semua router sudah melakukan pertukaran routing, sehingga tabel routing seharusnya sudah lengkap

R5#sh ip route eigrp
Codes: L - local, C - connected, S - static, 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
       i - IS-IS, su - IS-IS summary, 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, H - NHRP, l - LISP
       a - application route
+ - replicated route, % - next hop override, p - overrides from PfR

Gateway of last resort is not set

      1.0.0.0/32 is subnetted, 1 subnets
D        1.1.1.1 [90/130816] via 10.10.15.1, 00:02:01, GigabitEthernet0/0
      2.0.0.0/32 is subnetted, 1 subnets
D        2.2.2.2 [90/130816] via 10.10.25.2, 00:02:01, GigabitEthernet0/1
      3.0.0.0/32 is subnetted, 1 subnets
D        3.3.3.3 [90/130816] via 10.10.35.3, 00:02:01, GigabitEthernet0/5
      4.0.0.0/32 is subnetted, 1 subnets
D        4.4.4.4 [90/131072] via 10.10.35.3, 00:02:01, GigabitEthernet0/5
                 [90/131072] via 10.10.25.2, 00:02:01, GigabitEthernet0/1
                 [90/131072] via 10.10.15.1, 00:02:01, GigabitEthernet0/0
      10.0.0.0/8 is variably subnetted, 18 subnets, 3 masks
D        10.10.14.0/29 [90/3072] via 10.10.15.1, 00:02:01, GigabitEthernet0/0
D        10.10.24.0/29 [90/3072] via 10.10.25.2, 00:02:01, GigabitEthernet0/1
D        10.10.34.0/29 [90/3072] via 10.10.35.3, 00:02:01, GigabitEthernet0/5
D        10.10.45.0/24 [90/3328] via 10.10.35.3, 00:02:01, GigabitEthernet0/5
                       [90/3328] via 10.10.25.2, 00:02:01, GigabitEthernet0/1
                       [90/3328] via 10.10.15.1, 00:02:01, GigabitEthernet0/0
D        10.10.47.0/24 [90/3328] via 10.10.35.3, 00:02:01, GigabitEthernet0/5
                       [90/3328] via 10.10.25.2, 00:02:01, GigabitEthernet0/1
                       [90/3328] via 10.10.15.1, 00:02:01, GigabitEthernet0/0
D        10.10.49.0/24 [90/3328] via 10.10.35.3, 00:02:01, GigabitEthernet0/5
                       [90/3328] via 10.10.25.2, 00:02:01, GigabitEthernet0/1
                       [90/3328] via 10.10.15.1, 00:02:01, GigabitEthernet0/0

Nah, seperti itulah konfigurasi dasar dari EIGRP. Semoga bermanfaat dan sampai jumpa di lab berikutnya.


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