NOTE
- 拡張ACL を使うと、Source にネイバー、Destination に経路を指定することで特定のネイバーから受信することができる
VERIFICATION
R1#sh ip ro ei | b Gate Gateway of last resort is not set 10.0.0.0/8 is variably subnetted, 12 subnets, 2 masks D 10.0.0.7/32 [90/1024640] via 10.1.7.7, 00:00:24, Ethernet1/0.17 D 10.0.0.9/32 [90/1024640] via 10.1.9.9, 00:00:24, Ethernet1/0.19 D 10.7.9.0/24 [90/1536000] via 10.1.9.9, 00:00:24, Ethernet1/0.19 [90/1536000] via 10.1.7.7, 00:00:24, Ethernet1/0.17 R1# R1#conf t R1(config)#access-list 100 permit ip host 10.1.9.9 host 10.7.9.0 R1(config)#router ei CCIE R1(config-router)#add ipv4 uni auto 65000 R1(config-router-af)#topology base R1(config-router-af-topology)#distribute-list 100 in R1(config-router-af-topology)#end R1# R1#sh ip ro ei | b Gate Gateway of last resort is not set 10.0.0.0/8 is variably subnetted, 10 subnets, 2 masks D 10.7.9.0/24 [90/1536000] via 10.1.9.9, 00:00:22, Ethernet1/0.19 R1#
DIAGRAM & CONFIGURATION
!!! R1 router eigrp CCIE address-family ipv4 unicast autonomous-system 65000 eigrp router-id 10.0.0.1 net 10.1.7.1 0.0.0.0 net 10.1.9.1 0.0.0.0 net 10.0.0.1 0.0.0.0 !!! R7 router eigrp CCIE address-family ipv4 unicast autonomous-system 65000 eigrp router-id 10.0.0.7 net 10.1.7.7 0.0.0.0 net 10.7.9.7 0.0.0.0 net 10.0.0.7 0.0.0.0 !!! R9 router eigrp CCIE address-family ipv4 unicast autonomous-system 65000 eigrp router-id 10.0.0.9 net 10.1.9.9 0.0.0.0 net 10.7.9.9 0.0.0.0 net 10.0.0.9 0.0.0.0
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