Distance administrative EIGRP

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
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