Oke.. sebelumnya saya sudah memperkenalkan superlab spesial tentang L3VPN di cisco. selanjutnya saat ini kita akan mulai perang nya yaa.. berikut full topologi dari superlab yang akan kita bahas
Pada postingan kali ini, kita hanya akan fokus pada konfigurasi routing protocol IGP pada bagian ISP. Adapun routing protocol IGP yang akan kita gunakan adalah OSPF.
Pertama konfigurasikan ip addressing pada seluruh router ISP. Untuk addressing, kita akan menggunakan addressing standard IDN seperti biasa yaaa
R1(config)#int e0/0
R1(config-if)#no sh
R1(config-if)#ip add 14.14.14.1 255.255.255.0
R1(config-if)#int e0/1
R1(config-if)#no sh
R1(config-if)#ip add 16.16.16.1 255.255.255.0
R1(config-if)#int e0/2
R1(config-if)#no sh
R1(config-if)#ip add 15.15.15.1 255.255.255.0
R1(config-if)#int e0/3
R1(config-if)#no sh
R1(config-if)#ip add 13.13.13.1 255.255.255.0
R1(config-if)#int lo0
R1(config-if)#ip add 1.1.1.1 255.255.255.255
R2(config)#int e0/0
R2(config-if)#no sh
R2(config-if)#ip add 23.23.23.2 255.255.255.0
R2(config-if)#int lo0
R2(config-if)#ip add 2.2.2.2 255.255.255.255
R3(config)#int e0/0
R3(config-if)#no sh
R3(config-if)#ip add 13.13.13.3 255.255.255.0
R3(config-if)#int e0/1
R3(config-if)#no sh
R3(config-if)#ip add 34.34.34.3 255.255.255.0
R3(config-if)#int e0/2
R3(config-if)#no sh
R3(config-if)#ip add 23.23.23.3 255.255.255.0
R3(config-if)#int lo0
R3(config-if)#ip add 3.3.3.3 255.255.255.255
R4(config)#int e0/0
R4(config-if)#no sh
R4(config-if)#ip add 14.14.14.4 255.255.255.0
R4(config-if)#int e0/1
R4(config-if)#no sh
R4(config-if)#ip add 47.47.47.4 255.255.255.0
R4(config-if)#int e0/2
R4(config-if)#no sh
R4(config-if)#ip add 48.48.48.4 255.255.255.0
R4(config-if)#int e0/3
R4(config-if)#no sh
R4(config-if)#ip add 34.34.34.4 255.255.255.0
R4(config-if)#int lo0
R4(config-if)#ip add 4.4.4.4 255.255.255.255
R5(config)#int e0/0
R5(config-if)#no sh
R5(config-if)#ip add 15.15.15.5 255.255.255.0
R5(config-if)#int lo0
R5(config-if)#ip add 5.5.5.5 255.255.255.255
R6(config)#int e0/0
R6(config-if)#no sh
R6(config-if)#ip add 16.16.16.6 255.255.255.0
R6(config-if)#int lo0
R6(config-if)#ip add 6.6.6.6 255.255.255.255
R7(config)#int e0/0
R7(config-if)#no sh
R7(config-if)#ip add 47.47.47.7 255.255.255.0
R7(config-if)#int lo0
R7(config-if)#ip add 7.7.7.7 255.255.255.255
R8(config)#int e0/0
R8(config-if)#no sh
R8(config-if)#ip add 48.48.48.8 255.255.255.0
R8(config-if)#int lo0
R8(config-if)#ip add 8.8.8.8 255.255.255.255
Oke konfigurasi ip address sudah selesai.. selanjutnya kita konfigurasikan ospf pada seluruh router ISP.
R1(config)#router ospf 1
R1(config-router)#net 14.14.14.1 0.0.0.0 are 0
R1(config-router)#net 16.16.16.1 0.0.0.0 are 0
R1(config-router)#net 15.15.15.1 0.0.0.0 are 0
R1(config-router)#net 13.13.13.1 0.0.0.0 are 0
R1(config-router)#net 1.1.1.1 0.0.0.0 are 0
R2(config-if)#router ospf 1
R2(config-router)#net 23.23.23.2 0.0.0.0 are 0
R2(config-router)#net 2.2.2.2 0.0.0.0 are 0
R3(config-if)#router ospf 1
R3(config-router)#net 13.13.13.3 0.0.0.0 are 0
R3(config-router)#net 34.34.34.3 0.0.0.0 are 0
R3(config-router)#net 23.23.23.3 0.0.0.0 are 0
R3(config-router)#net 3.3.3.3 0.0.0.0 are 0
R4(config-if)#router ospf 1
R4(config-router)#net 14.14.14.4 0.0.0.0 are 0
RR4(config-router)#net 47.47.47.4 0.0.0.0 are 0
R4(config-router)#net 48.48.48.4 0.0.0.0 are 0
R4(config-router)#net 34.34.34.4 0.0.0.0 are 0
R4(config-router)#net 4.4.4.4 0.0.0.0 are 0
R5(config-if)#router ospf 1
R5(config-router)#net 15.15.15.5 0.0.0.0 are 0
R5(config-router)#net 5.5.5.5 0.0.0.0 are 0
R6(config-if)#router ospf 1
R6(config-router)#net 16.16.16.6 0.0.0.0 are 0
R6(config-router)#net 6.6.6.6 0.0.0.0 are 0
R7(config-if)#router ospf 1
R7(config-router)#net 47.47.47.7 0.0.0.0 are 0
R7(config-router)#net 7.7.7.7 0.0.0.0 are 0
R8(config-if)#router ospf 1
R8(config-router)#net 48.48.48.8 0.0.0.0 are 0
R8(config-router)#net 8.8.8.8 0.0.0.0 are 0
Okeee.. konfigurasi OSPF sudah selesai.. pastikan seluruh router mempunyai tabel routing yang lengkap. berikut tabel routing di R1
R1(config-router)#do sh ip route
Gateway of last resort is not set
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
O 2.2.2.2 [110/21] via 13.13.13.3, 00:03:13, Ethernet0/3
3.0.0.0/32 is subnetted, 1 subnets
O 3.3.3.3 [110/11] via 13.13.13.3, 00:03:23, Ethernet0/3
4.0.0.0/32 is subnetted, 1 subnets
O 4.4.4.4 [110/11] via 14.14.14.4, 00:02:31, Ethernet0/0
5.0.0.0/32 is subnetted, 1 subnets
O 5.5.5.5 [110/11] via 15.15.15.5, 00:02:00, Ethernet0/2
6.0.0.0/32 is subnetted, 1 subnets
O 6.6.6.6 [110/11] via 16.16.16.6, 00:01:30, Ethernet0/1
7.0.0.0/32 is subnetted, 1 subnets
O 7.7.7.7 [110/21] via 14.14.14.4, 00:00:55, Ethernet0/0
8.0.0.0/32 is subnetted, 1 subnets
O 8.8.8.8 [110/21] via 14.14.14.4, 00:00:21, Ethernet0/0
13.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C 13.13.13.0/24 is directly connected, Ethernet0/3
L 13.13.13.1/32 is directly connected, Ethernet0/3
14.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C 14.14.14.0/24 is directly connected, Ethernet0/0
L 14.14.14.1/32 is directly connected, Ethernet0/0
15.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C 15.15.15.0/24 is directly connected, Ethernet0/2
L 15.15.15.1/32 is directly connected, Ethernet0/2
16.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C 16.16.16.0/24 is directly connected, Ethernet0/1
L 16.16.16.1/32 is directly connected, Ethernet0/1
23.0.0.0/24 is subnetted, 1 subnets
O 23.23.23.0 [110/20] via 13.13.13.3, 00:03:13, Ethernet0/3
34.0.0.0/24 is subnetted, 1 subnets
O 34.34.34.0 [110/20] via 14.14.14.4, 00:02:31, Ethernet0/0
[110/20] via 13.13.13.3, 00:03:33, Ethernet0/3
47.0.0.0/24 is subnetted, 1 subnets
O 47.47.47.0 [110/20] via 14.14.14.4, 00:02:42, Ethernet0/0
48.0.0.0/24 is subnetted, 1 subnets
O 48.48.48.0 [110/20] via 14.14.14.4, 00:02:42, Ethernet0/0
Oke.. untuk saat ini sampai disini dulu yaa.. sampai jumpa di postingan selanjutnya.. di postingan selanjutnya in syaa allah kita akan membahas konfigurasi MPLS di jaringan ISP
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