Modification des distances administratives du protocole EIGRP.
par défaut :
- 90 pour les routes Internes
- 170 pour les routes Externes
BB3#show ip protocols | inc Dis
Gateway Distance Last Update
Distance: internal 90 external 170
BB3#show ip route eigrp 1.0.0.0/24 is subnetted, 1 subnets D EX 1.1.1.0 [170/20665600] via 10.1.113.3, 00:02:15, Ethernet0 3.0.0.0/24 is subnetted, 1 subnets D 3.3.3.0 [90/409600] via 10.1.113.3, 00:02:19, Ethernet0 4.0.0.0/24 is subnetted, 1 subnets D 4.4.4.0 [90/21177600] via 10.1.113.3, 00:02:15, Ethernet0 111.0.0.0/24 is subnetted, 3 subnets D EX 111.2.2.0 [170/20668160] via 10.1.113.3, 00:02:15, Ethernet0 D EX 111.1.1.0 [170/20668160] via 10.1.113.3, 00:02:15, Ethernet0 D EX 111.0.0.0 [170/20668160] via 10.1.113.3, 00:02:15, Ethernet0 10.0.0.0/24 is subnetted, 5 subnets D 10.1.14.0 [90/21049600] via 10.1.113.3, 00:02:15, Ethernet0 D 10.1.12.0 [90/21049600] via 10.1.113.3, 00:02:16, Ethernet0 D EX 10.1.111.0 [170/20540160] via 10.1.113.3, 00:02:16, Ethernet0 D 10.1.100.0 [90/20537600] via 10.1.113.3, 00:02:19, Ethernet0
Configuration
BB3(config)#router eigrp 300
BB3(config-router)#distance eigrp 95 175
vérification
BB3#show ip route eigrp 1.0.0.0/24 is subnetted, 1 subnets D EX 1.1.1.0 [175/20665600] via 10.1.113.3, 00:00:30, Ethernet0 3.0.0.0/24 is subnetted, 1 subnets D 3.3.3.0 [95/409600] via 10.1.113.3, 00:00:30, Ethernet0 4.0.0.0/24 is subnetted, 1 subnets D 4.4.4.0 [95/21177600] via 10.1.113.3, 00:00:30, Ethernet0 111.0.0.0/24 is subnetted, 3 subnets D EX 111.2.2.0 [175/20668160] via 10.1.113.3, 00:00:30, Ethernet0 D EX 111.1.1.0 [175/20668160] via 10.1.113.3, 00:00:30, Ethernet0 D EX 111.0.0.0 [175/20668160] via 10.1.113.3, 00:00:30, Ethernet0 10.0.0.0/24 is subnetted, 5 subnets D 10.1.14.0 [95/21049600] via 10.1.113.3, 00:00:30, Ethernet0 D 10.1.12.0 [95/21049600] via 10.1.113.3, 00:00:31, Ethernet0 D EX 10.1.111.0 [175/20540160] via 10.1.113.3, 00:00:31, Ethernet0 D 10.1.100.0 [95/20537600] via 10.1.113.3, 00:00:31, Ethernet0
Modification sélective de la distance administrative
R3(config)#access-list 10 permit 113.1.1.0 0.0.0.255 R3(config)#access-list 10 permit 113.2.2.0 0.0.0.255 R3(config)#router eigrp 300 R3(config-router)#distance 91 10.1.113.113 0.0.0.0 10
R3#show ip route eigrp 1.0.0.0/24 is subnetted, 1 subnets D EX 1.1.1.0 [170/20640000] via 10.1.13.1, 00:00:09, Serial1/0.31 2.0.0.0/24 is subnetted, 1 subnets D EX 2.2.2.0 [170/21152000] via 10.1.13.1, 00:00:09, Serial1/0.31 4.0.0.0/24 is subnetted, 1 subnets D 4.4.4.0 [90/21152000] via 10.1.13.1, 00:00:09, Serial1/0.31 5.0.0.0/24 is subnetted, 1 subnets D EX 5.5.5.0 [170/21664000] via 10.1.13.1, 00:00:09, Serial1/0.31 113.0.0.0/24 is subnetted, 3 subnets D 113.2.2.0 [91/156160] via 10.1.113.113, 00:00:11, FastEthernet0/0 D 113.1.1.0 [91/156160] via 10.1.113.113, 00:00:11, FastEthernet0/0 D 113.0.0.0 [90/156160] via 10.1.113.113, 00:00:11, FastEthernet0/0 6.0.0.0/24 is subnetted, 1 subnets D EX 6.6.6.0 [170/21664000] via 10.1.13.1, 00:00:09, Serial1/0.31 112.0.0.0/24 is subnetted, 3 subnets D EX 112.2.2.0 [170/21154560] via 10.1.13.1, 00:00:09, Serial1/0.31 D EX 112.1.1.0 [170/21154560] via 10.1.13.1, 00:00:09, Serial1/0.31 D EX 112.0.0.0 [170/21154560] via 10.1.13.1, 00:00:09, Serial1/0.31 111.0.0.0/24 is subnetted, 3 subnets D EX 111.2.2.0 [170/20642560] via 10.1.13.1, 00:00:09, Serial1/0.31 D EX 111.1.1.0 [170/20642560] via 10.1.13.1, 00:00:09, Serial1/0.31 D EX 111.0.0.0 [170/20642560] via 10.1.13.1, 00:00:09, Serial1/0.31 10.0.0.0/24 is subnetted, 9 subnets D 10.1.14.0 [90/21024000] via 10.1.13.1, 00:00:10, Serial1/0.31 D 10.1.12.0 [90/21024000] via 10.1.13.1, 00:00:10, Serial1/0.31 D EX 10.1.44.0 [170/21536000] via 10.1.13.1, 00:00:10, Serial1/0.31 D EX 10.1.111.0 [170/20514560] via 10.1.13.1, 00:00:10, Serial1/0.31 D EX 10.1.112.0 [170/21026560] via 10.1.13.1, 00:00:10, Serial1/0.31 D EX 10.1.156.0 [170/21538560] via 10.1.13.1, 00:00:10, Serial1/0.31