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--- title: TP Routage I4 authors: Kadri Jawad, Maubanc Rémi tags: ESIEE, I4 --- Numéro de groupe : 10 # Partie 1 : Configuration entre deux routeurs Lister les interfaces pour pouvoir par la suite les configurer : ``` show int summary ``` Pour entrer en mode configuration : ``` enable config t ``` ## Routeur Ra On configure chaque interface selon le schéma : - Liaison inter-routeur (Ethernet 0) : ``` interface Ethernet0 ip address 10.10.0.1 255.255.255.0 no shutdown ``` - Loopback 0 (Lo0) : ``` interface Loopback0 ip address 10.10.1.1 255.255.255.0 no shutdown ``` - Loopback 1 (Lo1) : ``` interface Loopback1 ip address 10.10.2.1 255.255.255.0 no shutdown ``` **Apercu après configuration :** `show ip int brief` ![](https://i.imgur.com/6LP7fg0.png) ## Routeur Rb On configure chaque interface selon le schéma : - Liaison inter-routeur (Ethernet 0) : ``` interface Ethernet0 ip address 10.10.0.2 255.255.255.0 no shutdown ``` - Loopback 0 (Lo0) : ``` interface Loopback0 ip address 10.10.3.2 255.255.255.0 no shutdown ``` - Loopback 1 (Lo1) : ``` interface Loopback1 ip address 10.10.4.2 255.255.255.0 no shutdown ``` **Apercu après configuration :** `show ip int brief` ![](https://i.imgur.com/Mvw6zqQ.png) ## Test de la connectivité entre les routeurs :::info Le routeur Cisco 2500 ne dispose pas de port ethernet directement intégré. Il faut utiliser un adaptateur avec un cable ethernet **droit**. ![](https://www.artisantg.com/itemimages/Allied_AT_210TS_View2.JPG) ::: - Ping du Routeur A vers le Routeur B - Ping du Routeur B vers le Routeur A ![](https://i.imgur.com/GbpQp1B.png) # Partie 2 : Mise en place de l'OSPF Entrée en mode configuration : ``` config t ``` ## Routeur A Entrée en mode configuration de l'OSPF : ``` routeur ospf 1 ``` Ajout des réseaux locaux à la table OSPF du routeur : ``` network 10.10.1.0 0.0.0.255 area 10 network 10.10.2.0 0.0.0.255 area 10 exit exit ``` ## Routeur B Entrée en mode configuration de l'OSPF : ``` routeur ospf 1 ``` Ajout des réseaux locaux à la table OSPF du routeur : ``` network 10.10.3.0 0.0.0.255 area 10 network 10.10.4.0 0.0.0.255 area 10 exit exit ``` ## Vérification de la propagation des tables OSPF du routeur B ![](https://i.imgur.com/vS2P2uT.png) On observe que les réseaux locaux du routeur A sont bien propagé au routeur B via le routeur A. # Partie 3 : Chainage des routeurs entre les groupes On relie les routeurs entre eux avec un routeur supplémentaire intermédiaire. :::info A cause d'une pénurie de cable Serial, la connexion entre le routeur C et B est assurée par un cable Ethernet. ::: On ajoute ensuite les IP sur chaque port du routeur C. ``` config t interface Serial 0/1/0 ip address 10.0.8.1 255.255.255.0 no shutdown interface GigabitEthernet0/0/0 ip address 10.0.7.1 255.255.255.0 no shutdown exit exit ``` On ajoute ensuite chaque réseau précedemment déclaré dans sa table OSPF. ``` config t router ospf 1 network 10.0.7.0 0.0.0.255 area 0 network 10.0.8.0 0.0.0.155 area 0 exit exit ``` On peut enfin observer les tables OSPF des autres routeurs s'ajouter au fur et à mesure que les autres groupes ajoutent les leurs. Sur le routeur C : ``` show ip route ``` ![](https://i.imgur.com/bUTqB8J.png) ![](https://i.imgur.com/7bpqEGF.png) On peut également observer que la table du routeur A (situé le plus en retrait dans notre réseau) est bien mise à jour. ``` Router#show ip route Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set 10.0.0.0/8 is variably subnetted, 49 subnets, 2 masks O 10.0.0.0/24 [110/3317] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O 10.0.1.0/24 [110/2536] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O 10.0.2.0/24 [110/2472] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O 10.0.3.0/24 [110/1691] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O 10.0.4.0/24 [110/1627] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O 10.0.5.0/24 [110/846] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O 10.0.6.0/24 [110/782] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 C 10.0.7.0/24 is directly connected, GigabitEthernet0/0/0 L 10.0.7.1/32 is directly connected, GigabitEthernet0/0/0 C 10.0.8.0/24 is directly connected, Serial0/1/0 L 10.0.8.1/32 is directly connected, Serial0/1/0 O 10.0.9.0/24 [110/1643] via 10.0.8.2, 00:05:45, Serial0/1/0 O 10.0.10.0/24 [110/1707] via 10.0.8.2, 00:05:45, Serial0/1/0 O 10.0.11.0/24 [110/2488] via 10.0.8.2, 00:05:45, Serial0/1/0 O 10.0.12.0/24 [110/2552] via 10.0.8.2, 00:05:45, Serial0/1/0 O 10.0.13.0/24 [110/3333] via 10.0.8.2, 00:05:45, Serial0/1/0 O 10.0.14.0/24 [110/4162] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O 10.0.15.0/24 [110/3381] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O IA 10.1.0.0/24 [110/1717] via 10.0.8.2, 00:05:45, Serial0/1/0 O IA 10.1.1.1/32 [110/1718] via 10.0.8.2, 00:05:45, Serial0/1/0 O IA 10.1.2.1/32 [110/1718] via 10.0.8.2, 00:05:45, Serial0/1/0 O IA 10.1.3.2/32 [110/1708] via 10.0.8.2, 00:05:45, Serial0/1/0 O IA 10.1.4.2/32 [110/1708] via 10.0.8.2, 00:05:45, Serial0/1/0 O IA 10.2.0.0/24 [110/2546] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O IA 10.2.1.1/32 [110/2547] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O IA 10.2.2.1/32 [110/2547] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O IA 10.2.3.2/32 [110/2537] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O IA 10.2.4.2/32 [110/2537] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O IA 10.8.0.0/24 [110/856] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O IA 10.8.3.2/32 [110/847] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O IA 10.8.4.2/32 [110/847] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O IA 10.9.0.0/24 [110/1701] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O IA 10.9.1.1/32 [110/1702] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O IA 10.9.2.1/32 [110/1702] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O IA 10.9.3.2/32 [110/1692] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O IA 10.9.4.2/32 [110/1692] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O IA 10.10.0.0/24 [110/11] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O IA 10.10.3.2/32 [110/2] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O IA 10.10.4.2/32 [110/2] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O IA 10.12.0.0/24 [110/3391] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O IA 10.12.1.1/32 [110/3392] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O IA 10.12.2.1/32 [110/3392] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O IA 10.12.3.2/32 [110/3382] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O IA 10.12.4.2/32 [110/3382] via 10.0.7.2, 00:05:42, GigabitEthernet0/0/0 O IA 10.13.0.0/24 [110/2562] via 10.0.8.2, 00:05:45, Serial0/1/0 O IA 10.13.1.1/32 [110/2563] via 10.0.8.2, 00:05:45, Serial0/1/0 O IA 10.13.2.1/32 [110/2563] via 10.0.8.2, 00:05:45, Serial0/1/0 O IA 10.13.3.2/32 [110/2553] via 10.0.8.2, 00:05:45, Serial0/1/0 O IA 10.13.4.2/32 [110/2553] via 10.0.8.2, 00:05:45, Serial0/1/0 10-Ra#show ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface 10.10.4.2 1 FULL/DR 00:00:33 10.10.0.2 Ethernet0 10-Ra# ```

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