OSPF – Table de routage

R1# show ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, * - candidate
default U - per-user static route

Nous distingons qu’OSPF fais la difference entre 4 Type de route :

O =  OSPF = LSA de type 1
O IA =  OSPF Inter Area = LSA de type 3
O E1 =  OSPF External type 1 = LSA de type 5
O E2 =  OSPF External type 2 = LSA de type 5

R1# show ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, * - candidate
default U - per-user static route

       10.0.0.0 /24 is subnettned, 3 subnets
O IA         10.0.1.0 [110/XX] via X.X.X.X, 00:01:39, FastEthernet0/0
O IA         10.0.2.0 [110/XX] via X.X.X.X, 00:01:39, FastEthernet0/0
O IA         10.0.3.0 [110/XX] via X.X.X.X, 00:01:39, FastEthernet0/0

       10.10.0.0 /24 is subnettned, 3 subnets
O            10.10.1.0 [110/XX] via X.X.X.X, 00:01:39, FastEthernet0/0
O            10.10.2.0 [110/XX] via X.X.X.X, 00:01:39, FastEthernet0/0
O            10.10.3.0 [110/XX] via X.X.X.X, 00:01:39, FastEthernet0/0

       10.100.0.0 /24 is subnettned, 3 subnets
O E2         10.100.1.0 [110/XX] via X.X.X.X, 00:01:39, FastEthernet0/0
O E2         10.100.2.0 [110/XX] via X.X.X.X, 00:01:39, FastEthernet0/0
O E2         10.100.3.0 [110/XX] via X.X.X.X, 00:01:39, FastEthernet0/0
Noël NICOLAS

Expert Réseau
10 ans d’expérience
CCNP Routing and Switching
Fondateur du site FingerInTheNet

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