EIGRP – Filtering – Prefix List – Out
Jika sebelumnya memakai prefix IN, sekarang menggunakan OUT
R2
R2(config)#router eigrp 10
R2(config-router)#no distribute-list prefix EIGRP_IN
in Pastikan semua networking muncul pada tabel routing. R2
R2#sh ip route
1.0.0.0/32 is subnetted, 1 subnets
D 1.1.1.1 [90/130816] via 12.12.12.1, 00:51:20, GigabitEthernet1/0
2.0.0.0/32 is subnetted, 1 subnets
C 2.2.2.2 is directly connected, Loopback0
3.0.0.0/8 is variably subnetted, 6 subnets, 5 masks
D 3.3.3.3/32 [90/156160] via 23.23.23.3, 00:51:20, FastEthernet0/0
D 3.3.3.16/28 [90/156160] via 23.23.23.3, 00:03:18, FastEthernet0/0
D 3.3.3.32/29 [90/156160] via 23.23.23.3, 00:03:18, FastEthernet0/0
D 3.3.3.96/27 [90/156160] via 23.23.23.3, 00:42:54, FastEthernet0/0
D 3.3.3.148/30 [90/156160] via 23.23.23.3, 00:03:18, FastEthernet0/0
D 3.3.3.192/28 [90/156160] via 23.23.23.3, 00:03:18, FastEthernet0/0
23.0.0.0/24 is subnetted, 1 subnets
C 23.23.23.0 is directly connected, FastEthernet0/0
12.0.0.0/24 is subnetted, 1 subnets
C 12.12.12.0 is directly connected, GigabitEthernet1/0
Konfigurasi prefix list filtering OUT pada R3.
R3(config)#ip prefix-list EIGRP_OUT seq 10 deny 3.3.3.0/24 ge 28 le 30
R3(config)#ip prefix-list EIGRP_OUT seq 20 permit 0.0.0.0/0 le 32 R3(config)#router eigrp 10 R3(config-router)#distribute-list prefix EIGRP_OUT out
Pastikan Network 3.3.3.x yang memiliki prefix 28 sampai 30 di blok dan tidak ada di dalam routing tabel R1 dan R2. R1
R1#sh ip route
1.0.0.0/32 is subnetted, 1 subnets
C 1.1.1.1 is directly connected, Loopback0
3.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
D 3.3.3.3/32 [90/156416] via 12.12.12.2, 00:16:58, GigabitEthernet1/0
D 3.3.3.96/27 [90/156416] via 12.12.12.2, 00:08:33, GigabitEthernet1/0
23.0.0.0/24 is subnetted, 1 subnets
D 23.23.23.0 [90/28416] via 12.12.12.2, 00:16:58, GigabitEthernet1/0
12.0.0.0/24 is subnetted, 1 subnets C 12.12.12.0 is directly connected, GigabitEthernet1/0
SELESAI
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