Pada Eigrp kita juga dapat melakukan summarization,Maksudnya ketika kita memiliki banyak routing tentunya akan banyak pula informasi yang ada pada table routing,secara tidak langsung hal itu akan memakan resource pada router tersebut..nah untuk solusi nya eigrp memiliki cara yaitu dengan melakukan summrization.yang nantinya dari banyak routing tersebut akan di ringkas pada table routing nya.
topologi.
Seperti biasa kita konfigurasikan dulu ip address dan routing eigrp nya pada setiap router.
Konfigurasi Ip address R1.
R1(config)#int lo0
R1(config-if)#ip add 1.1.1.1 255.255.255.255
R1(config-if)#int fa0/0
R1(config-if)#ip add 192.168.12.1 255.255.255.0
R1(config-if)#no sh
R1(config-if)#ip add 1.1.1.1 255.255.255.255
R1(config-if)#int fa0/0
R1(config-if)#ip add 192.168.12.1 255.255.255.0
R1(config-if)#no sh
Konfigurasi Ip address R2.
R2(config)#int lo0
R2(config-if)#ip add 2.2.2.2 255.255.255.255
R2(config-if)#int fa0/0
R2(config-if)#ip add 192.168.12.2 255.255.255.0
R2(config-if)#no sh
R2(config-if)#int fa0/1
R2(config-if)#ip add 192.168.23.2 255.255.255.0
R2(config-if)#no sh
R2(config-if)#ip add 2.2.2.2 255.255.255.255
R2(config-if)#int fa0/0
R2(config-if)#ip add 192.168.12.2 255.255.255.0
R2(config-if)#no sh
R2(config-if)#int fa0/1
R2(config-if)#ip add 192.168.23.2 255.255.255.0
R2(config-if)#no sh
Konfigurasi Ip address R3.
R3(config)#int lo0
R3(config-if)#ip add 3.3.3.3 255.255.255.2555
R3(config-if)#ip add 3.3.3.3 255.255.255.255
R3(config-if)#int fa0/1
R3(config-if)#ip add 192.168.23.3 255.255.255.0
R3(config-if)#no sh
R3(config-if)#exit
R3(config)#int lo1
R3(config-if)#ip add 30.30.30.1 255.255.255.255
R3(config-if)#int lo2
R3(config-if)#ip add 30.30.30.2 255.255.255.255
R3(config-if)#int lo3
R3(config-if)#ip add 30.30.30.3 255.255.255.255
R3(config-if)#int lo04
R3(config-if)#ip add 30.30.30.4 255.255.255.255
R3(config-if)#int lo5
R3(config-if)#ip add 30.30.30.5 255.255.255.255
R3(config-if)#ip add 3.3.3.3 255.255.255.2555
R3(config-if)#ip add 3.3.3.3 255.255.255.255
R3(config-if)#int fa0/1
R3(config-if)#ip add 192.168.23.3 255.255.255.0
R3(config-if)#no sh
R3(config-if)#exit
R3(config)#int lo1
R3(config-if)#ip add 30.30.30.1 255.255.255.255
R3(config-if)#int lo2
R3(config-if)#ip add 30.30.30.2 255.255.255.255
R3(config-if)#int lo3
R3(config-if)#ip add 30.30.30.3 255.255.255.255
R3(config-if)#int lo04
R3(config-if)#ip add 30.30.30.4 255.255.255.255
R3(config-if)#int lo5
R3(config-if)#ip add 30.30.30.5 255.255.255.255
Setelah kita setting ip address selanjutnya kita konfigurasi routing eigrp nya
Konfigurasi routing eigrp R1.
R1(config-if)#router eigrp 12
R1(config-router)#net 1.1.1.1 0.0.0.0
R1(config-router)#net 192.168.12.0 0.0.0.255
R1(config-router)#no au
R1(config-router)#net 1.1.1.1 0.0.0.0
R1(config-router)#net 192.168.12.0 0.0.0.255
R1(config-router)#no au
Konfigurasi routing eigrp R2.
R2(config-if)#router eigrp 12
R2(config-router)#net 2.2.2.2 0.0.0.0
R2(config-router)#net 192.168.12.0 0.0.0.255
R2(config-router)#net 192.168.23.0 0.0.0.255
R2(config-router)#no au
R2(config-router)#net 2.2.2.2 0.0.0.0
R2(config-router)#net 192.168.12.0 0.0.0.255
R2(config-router)#net 192.168.23.0 0.0.0.255
R2(config-router)#no au
Konfigurasi routing eigrp R3.
R3(config-if)#router eigrp 12
R3(config-router)#net 3.3.3.3 0.0.0.0
R3(config-router)#net 192.168.23.0 0.0.0.255
R3(config-router)#net 30.30.30.1 0.0.0.0
R3(config-router)#net 30.30.30.2 0.0.0.0
R3(config-router)#net 30.30.30.3 0.0.0.0
R3(config-router)#net 30.30.30.4 0.0.0.0
R3(config-router)#net 30.30.30.5 0.0.0.0
R3(config-router)#no au
R3(config-router)#net 3.3.3.3 0.0.0.0
R3(config-router)#net 192.168.23.0 0.0.0.255
R3(config-router)#net 30.30.30.1 0.0.0.0
R3(config-router)#net 30.30.30.2 0.0.0.0
R3(config-router)#net 30.30.30.3 0.0.0.0
R3(config-router)#net 30.30.30.4 0.0.0.0
R3(config-router)#net 30.30.30.5 0.0.0.0
R3(config-router)#no au
Setelah itu kita cek table routing pada salah satu router.
Cek table routing R1.
R1(config-router)#do sh ip route
Codes: 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
Gateway of last resort is not set
C 192.168.12.0/24 is directly connected, FastEthernet0/0
1.0.0.0/32 is subnetted, 1 subnets
C 1.1.1.1 is directly connected, Loopback0
2.0.0.0/32 is subnetted, 1 subnets
D 2.2.2.2 [90/409600] via 192.168.12.2, 00:05:25, FastEthernet0/0
3.0.0.0/32 is subnetted, 1 subnets
D 3.3.3.3 [90/435200] via 192.168.12.2, 00:04:50, FastEthernet0/0
D 192.168.23.0/24 [90/307200] via 192.168.12.2, 00:05:27, FastEthernet0/0
30.0.0.0/32 is subnetted, 5 subnets
D 30.30.30.4 [90/435200] via 192.168.12.2, 00:01:00, FastEthernet0/0
D 30.30.30.5 [90/435200] via 192.168.12.2, 00:00:53, FastEthernet0/0
D 30.30.30.2 [90/435200] via 192.168.12.2, 00:01:08, FastEthernet0/0
D 30.30.30.3 [90/435200] via 192.168.12.2, 00:01:05, FastEthernet0/0
D 30.30.30.1 [90/435200] via 192.168.12.2, 00:01:14, FastEthernet0/0
Codes: 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
Gateway of last resort is not set
C 192.168.12.0/24 is directly connected, FastEthernet0/0
1.0.0.0/32 is subnetted, 1 subnets
C 1.1.1.1 is directly connected, Loopback0
2.0.0.0/32 is subnetted, 1 subnets
D 2.2.2.2 [90/409600] via 192.168.12.2, 00:05:25, FastEthernet0/0
3.0.0.0/32 is subnetted, 1 subnets
D 3.3.3.3 [90/435200] via 192.168.12.2, 00:04:50, FastEthernet0/0
D 192.168.23.0/24 [90/307200] via 192.168.12.2, 00:05:27, FastEthernet0/0
30.0.0.0/32 is subnetted, 5 subnets
D 30.30.30.4 [90/435200] via 192.168.12.2, 00:01:00, FastEthernet0/0
D 30.30.30.5 [90/435200] via 192.168.12.2, 00:00:53, FastEthernet0/0
D 30.30.30.2 [90/435200] via 192.168.12.2, 00:01:08, FastEthernet0/0
D 30.30.30.3 [90/435200] via 192.168.12.2, 00:01:05, FastEthernet0/0
D 30.30.30.1 [90/435200] via 192.168.12.2, 00:01:14, FastEthernet0/0
Terlihat dalam table routing banyak sekali network 30.30.30.x/32,sesuai dengan materi kali ini kita akan meringkas nya menjadi satu informasi route saja.kita tambahkan konfigurasi summarization nya pada R3.
Konfigurasi summarization R3.
R3(config)#int fa0/1
R3(config-if)#ip summary-address eigrp 12 30.30.30.0 255.255.255.248
R3(config-if)#ip summary-address eigrp 12 30.30.30.0 255.255.255.248
Selanjutnya kita cek kembali table routing yang ada pada R1.
Table routing R1.
R1(config-router)#do sh ip route
Codes: 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
Gateway of last resort is not set
C 192.168.12.0/24 is directly connected, FastEthernet0/0
1.0.0.0/32 is subnetted, 1 subnets
C 1.1.1.1 is directly connected, Loopback0
2.0.0.0/32 is subnetted, 1 subnets
D 2.2.2.2 [90/409600] via 192.168.12.2, 01:06:19, FastEthernet0/0
3.0.0.0/32 is subnetted, 1 subnets
D 3.3.3.3 [90/435200] via 192.168.12.2, 01:05:44, FastEthernet0/0
D 192.168.23.0/24 [90/307200] via 192.168.12.2, 01:06:21, FastEthernet0/0
30.0.0.0/29 is subnetted, 1 subnets
D 30.30.30.0 [90/435200] via 192.168.12.2, 00:56:08, FastEthernet0/0
Codes: 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
Gateway of last resort is not set
C 192.168.12.0/24 is directly connected, FastEthernet0/0
1.0.0.0/32 is subnetted, 1 subnets
C 1.1.1.1 is directly connected, Loopback0
2.0.0.0/32 is subnetted, 1 subnets
D 2.2.2.2 [90/409600] via 192.168.12.2, 01:06:19, FastEthernet0/0
3.0.0.0/32 is subnetted, 1 subnets
D 3.3.3.3 [90/435200] via 192.168.12.2, 01:05:44, FastEthernet0/0
D 192.168.23.0/24 [90/307200] via 192.168.12.2, 01:06:21, FastEthernet0/0
30.0.0.0/29 is subnetted, 1 subnets
D 30.30.30.0 [90/435200] via 192.168.12.2, 00:56:08, FastEthernet0/0
Terlihat sekarang pada routing table R1 hanya ada satu informasi route dari network 30.30.30.x/29,diatas juga terlihat bahwa yang sebelumnya itu menggunakan 30.30.30.x/32 setelah kita summarization di berubah menjadi 30.30.30.x/29. Terakhir kita lakukan ping dari R1 menuju salah satu ip dari network 30.30.30.0 .
Ping dari R1 ke 30.30.30.3
R1#ping 30.30.30.3
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 30.30.30.3, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 20/50/136 ms
R1#
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 30.30.30.3, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 20/50/136 ms
R1#
Oke disini kita sudah berhasil konfigurasi summarization nya.sekian dulu artikel kali ini,kita next lab di artikel selanjutnya..terimakasih..
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