# R201 TP4 - Technologie de L'Internet Compte Rendu Nohan Viot Rivière Théo # TP4 - Routage OSPF à zones multiples **Objectifs** * Etablir l’adressage de l’inter-réseau et configurer les périphériques * Configurer le routage OSPF à zones multiples * Configurer les routes résumées interzones * Configurer un lien virtuel entre zones ## La base de la topologie ![tp4-topo_base](https://hackmd.io/_uploads/By9VXtMgR.jpg) ### 2.1. Matériels à disposition * R2-1 : Routeur Cisco 1900 series * R2-2 : Routeur Cisco 1900 series * R2-3 : Routeur Cisco 1900 series ### 2.2. Adressage et configuration L’adressage commun utilisé pour la zone x est la suivante : - LAN 21 : 192.168.21.0 /24 - WAN 21 : 10.10.21.0 /30 - LAN 22 : 192.168.22.0 /24 - WAN 22 : 10.10.22.0 /30 - LAN 4 : 172.16.0.0 /30 - Loopback : 2.2.2.1 /32 ![TOPO TP52](https://hackmd.io/_uploads/HJqM5szeC.png) ![TOPO TP5](https://hackmd.io/_uploads/H1LE2jfeC.png) avec : x : numéro de table (2 dans notre cas) y : chiffre du LAN indiqué sur la topologie. z : chiffre du routeur indiqué sur la topologie. - La configuration du commutateur SW1 est la suivante : | Ports | Affectation | Réseau | | --------------- | ------------------------------------------- | ----------------- | | Fa0/1 à Fa0/5 | VLAN 150 – Services (Web, FTP…) | 192.168.150.0 /24 | | Fa0/6 à Fa0/10 | VLAN 250 – Clients (Accès des utilisateurs) | 192.168.250.0 /24 | | Fa0/21 à Fa0/24 | VLAN 77 – Gestion (Agrégations 802.1Q) | 192.168.77.0 /24 | - Pour l’accès à Internet, il faut mettre en place un mécanisme de translation d’adresses ayant les caractéristiques suivantes : | Interface routeur Cisco | Adresse | Masque | | ----------------------- | --------------- | ------------- | | Fa0/1 | 192.168.100.222 | 255.255.255.0 | :::info La convention adoptée est la suivante : - la 1ère adresse d’hôte disponible sera attribuée à l’interface des PC - la dernière adresse d’hôte disponible sera attribuée à l’interface des routeurs - pour les réseaux étendus, la 1ère adresse d’hôte disponible sera attribuée à l’interface du routeur jouant le rôle de DCE ::: ### 3.1. Adressage, câblage, configuration de base, vérifications Configuration du Commutateur SW1 : ``` en erase startup-config delete vlan.dat reload en conf t hostname SW1 no ip domain-lookup vlan 150 name Services vlan 250 name Clients vlan 77 name Gestion end conf t int range Gi1/0/1-5 switchport mode access switchport access vlan 150 int range Gi1/0/6-10 switchport mode access switchport access vlan 250 int range Gi1/0/21-24 switchport mode trunk switchport trunk native vlan 77 end show vlan brief ``` Configuration du Routeur R2-1 : ``` en conf t hostname R2-1 no ip domain-lookup int s0/0/0 clock rate 128000 ip address 10.10.21.1 255.255.255.252 no shutdown int Gi0/0 ip address 192.168.21.254 255.255.255.0 no shutdown int Gi0/1 ip address 192.168.22.254 255.255.255.0 no shutdown end sh ip int br ``` Configuration du Routeur R2-2 : ``` en conf t hostname R2-2 no ip domain-lookup int Gi0/0.150 encapsulation dot1Q 150 ip address 192.168.150.254 255.255.255.0 no shutdown int Gi0/0.250 encapsulation dot1Q 250 ip address 192.168.250.254 255.255.255.0 no shutdown int s0/0/1 ip address 10.10.22.2 255.255.255.0 no shutdown ``` Configuration du Routeur R2-3 : ``` en conf t hostname R2-3 no ip domain-lookup int S0/0/0 ip address 10.10.21.2 255.255.255.252 no shut int S0/0/1 ip address 10.10.22.1 255.255.255.252 clock rate 128000 no shut int Gi0/0 ip address 172.16.0.2 255.255.255.252 no shut end sh ip int br ``` ### 3.2. Configuration et vérifications du routage OSPF Configuration du routage OSPF sur R2-1 : ``` conf t router ospf 1 passive-interface Gi0/0 passive-interface Gi0/1 network 10.10.21.0 0.0.0.255 area 2 network 192.168.0.0 0.0.255.255 area 2 end ``` Configuration du routage OSPF sur R2-2 : ``` conf t router ospf 1 passive-interface Gi0/0 passive-interface Gi0/0.150 passive-interface Gi0/0.250 network 10.10.22.0 0.0.0.255 area 2 network 192.168.0.0 0.0.255.255 area 2 end ``` Configuration du routage OSPF sur R2-3 : ``` conf t router ospf 1 network 10.10.0.0 0.0.255.255 area 2 network 172.16.0.0 0.0.255.255 area 0 exit int lo1 ip address 2.2.2.3 255.255.255.255 end ``` #### Vérification du routage OSPF sh ip ospf R2-1 : ``` Routing Process "ospf 1" with ID 2.2.2.1 Start time: 00:30:46.380, Time elapsed: 01:03:26.116 Supports only single TOS(TOS0) routes Supports opaque LSA Supports Link-local Signaling (LLS) Supports area transit capability Event-log enabled, Maximum number of events: 1000, Mode: cyclic Router is not originating router-LSAs with maximum metric Initial SPF schedule delay 5000 msecs Minimum hold time between two consecutive SPFs 10000 msecs Maximum wait time between two consecutive SPFs 10000 msecs Incremental-SPF disabled Minimum LSA interval 5 secs Minimum LSA arrival 1000 msecs LSA group pacing timer 240 secs Interface flood pacing timer 33 msecs Retransmission pacing timer 66 msecs Number of external LSA 1. Checksum Sum 0x00D6CA Number of opaque AS LSA 0. Checksum Sum 0x000000 Number of DCbitless external and opaque AS LSA 0 Number of DoNotAge external and opaque AS LSA 0 Number of areas in this router is 1. 1 normal 0 stub 0 nssa Number of areas transit capable is 0 External flood list length 0 IETF NSF helper support enabled Cisco NSF helper support enabled Reference bandwidth unit is 100 mbps Area 2 Number of interfaces in this area is 3 Area has no authentication SPF algorithm last executed 00:14:08.552 ago SPF algorithm executed 6 times Area ranges are Number of LSA 11. Checksum Sum 0x0564EF Number of opaque link LSA 0. Checksum Sum 0x000000 Number of DCbitless LSA 0 Number of indication LSA 0 Number of DoNotAge LSA 0 Flood list length 0 ``` sh ip ospf neighbor R2-1 : ``` Neighbor ID Pri State Dead Time Address Interface 2.2.2.3 0 FULL/ - 00:00:37 10.10.21.2 Serial0/0/0 ``` sh ip ospf database R2-1 : ``` OSPF Router with ID (2.2.2.1) (Process ID 1) Router Link States (Area 2) Link ID ADV Router Age Seq# Checksum Link count 2.2.2.1 2.2.2.1 1066 0x80000002 0x000814 4 2.2.2.2 2.2.2.2 1000 0x80000003 0x00B9F2 4 2.2.2.3 2.2.2.3 957 0x80000007 0x009C9B 4 Summary Net Link States (Area 2) Link ID ADV Router Age Seq# Checksum 1.1.1.12 2.2.2.3 903 0x80000001 0x0041A1 10.10.11.0 2.2.2.3 903 0x80000001 0x004D89 10.10.12.0 2.2.2.3 903 0x80000001 0x004293 172.16.0.0 2.2.2.3 903 0x80000001 0x00B9BF 192.168.11.0 2.2.2.3 903 0x80000001 0x00B2CA 192.168.12.0 2.2.2.3 903 0x80000001 0x00A7D4 192.168.13.0 2.2.2.3 903 0x80000001 0x00F67B Summary ASB Link States (Area 2) Link ID ADV Router Age Seq# Checksum 1.1.1.12 2.2.2.3 903 0x80000001 0x0029B9 Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 0.0.0.0 1.1.1.12 257 0x80000003 0x00D6CA 1 ``` sh ip route R2-1 : ``` 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, + - replicated route Gateway of last resort is 10.10.21.2 to network 0.0.0.0 O*E2 0.0.0.0/0 [110/1] via 10.10.21.2, 00:15:30, Serial0/0/0 1.0.0.0/32 is subnetted, 1 subnets O IA 1.1.1.12 [110/130] via 10.10.21.2, 00:15:35, Serial0/0/0 2.0.0.0/32 is subnetted, 1 subnets C 2.2.2.1 is directly connected, Loopback1 10.0.0.0/8 is variably subnetted, 6 subnets, 3 masks O IA 10.10.11.0/30 [110/129] via 10.10.21.2, 00:15:35, Serial0/0/0 O IA 10.10.12.0/30 [110/129] via 10.10.21.2, 00:15:35, Serial0/0/0 C 10.10.21.0/30 is directly connected, Serial0/0/0 L 10.10.21.1/32 is directly connected, Serial0/0/0 O 10.10.22.0/24 [110/192] via 10.10.21.2, 00:16:59, Serial0/0/0 O 10.10.22.0/30 [110/128] via 10.10.21.2, 00:18:16, Serial0/0/0 172.16.0.0/30 is subnetted, 1 subnets O IA 172.16.0.0 [110/65] via 10.10.21.2, 00:15:36, Serial0/0/0 O IA 192.168.11.0/24 [110/130] via 10.10.21.2, 00:15:36, Serial0/0/0 O IA 192.168.12.0/24 [110/130] via 10.10.21.2, 00:15:37, Serial0/0/0 O IA 192.168.13.0/24 [110/139] via 10.10.21.2, 00:15:37, Serial0/0/0 192.168.21.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.21.0/24 is directly connected, GigabitEthernet0/0 L 192.168.21.254/32 is directly connected, GigabitEthernet0/0 192.168.22.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.22.0/24 is directly connected, GigabitEthernet0/1 L 192.168.22.254/32 is directly connected, GigabitEthernet0/1 O 192.168.150.0/24 [110/129] via 10.10.21.2, 00:17:00, Serial0/0/0 O 192.168.250.0/24 [110/129] via 10.10.21.2, 00:17:00, Serial0/0/0 ``` sh ip protocols R2-1 : ``` *** IP Routing is NSF aware *** Routing Protocol is "ospf 1" Outgoing update filter list for all interfaces is not set Incoming update filter list for all interfaces is not set Router ID 2.2.2.1 Number of areas in this router is 1. 1 normal 0 stub 0 nssa Maximum path: 4 Routing for Networks: 10.10.21.0 0.0.0.255 area 2 192.168.0.0 0.0.255.255 area 2 Passive Interface(s): GigabitEthernet0/0 GigabitEthernet0/1 Routing Information Sources: Gateway Distance Last Update 2.2.2.2 110 00:18:09 2.2.2.3 110 00:16:47 1.1.1.12 110 00:16:42 Distance: (default is 110) ``` sh ip ospf R2-2 : ``` Routing Process "ospf 1" with ID 2.2.2.2 Start time: 00:36:06.640, Time elapsed: 00:50:06.932 Supports only single TOS(TOS0) routes Supports opaque LSA Supports Link-local Signaling (LLS) Supports area transit capability Supports NSSA (compatible with RFC 1587) Event-log enabled, Maximum number of events: 1000, Mode: cyclic Router is not originating router-LSAs with maximum metric Initial SPF schedule delay 5000 msecs Minimum hold time between two consecutive SPFs 10000 msecs Maximum wait time between two consecutive SPFs 10000 msecs Incremental-SPF disabled Minimum LSA interval 5 secs Minimum LSA arrival 1000 msecs LSA group pacing timer 240 secs Interface flood pacing timer 33 msecs Retransmission pacing timer 66 msecs Number of external LSA 1. Checksum Sum 0x00D8C9 Number of opaque AS LSA 0. Checksum Sum 0x000000 Number of DCbitless external and opaque AS LSA 0 Number of DoNotAge external and opaque AS LSA 0 Number of areas in this router is 1. 1 normal 0 stub 0 nssa Number of areas transit capable is 0 External flood list length 0 IETF NSF helper support enabled Cisco NSF helper support enabled Reference bandwidth unit is 100 mbps Area 2 Number of interfaces in this area is 3 Area has no authentication SPF algorithm last executed 00:07:27.468 ago SPF algorithm executed 4 times Area ranges are Number of LSA 11. Checksum Sum 0x0564EF Number of opaque link LSA 0. Checksum Sum 0x000000 Number of DCbitless LSA 0 Number of indication LSA 0 Number of DoNotAge LSA 0 Flood list length 0 ``` sh ip ospf neighbor R2-2 : ``` Neighbor ID Pri State Dead Time Address Interface 2.2.2.3 0 FULL/ - 00:00:36 10.10.22.1 Serial0/0/1 ``` sh ip ospf database R2-2 : ``` OSPF Router with ID (2.2.2.2) (Process ID 1) Router Link States (Area 2) Link ID ADV Router Age Seq# Checksum Link count 2.2.2.1 2.2.2.1 818 0x80000002 0x000814 4 2.2.2.2 2.2.2.2 750 0x80000003 0x00B9F2 4 2.2.2.3 2.2.2.3 708 0x80000007 0x009C9B 4 Summary Net Link States (Area 2) Link ID ADV Router Age Seq# Checksum 1.1.1.12 2.2.2.3 654 0x80000001 0x0041A1 10.10.11.0 2.2.2.3 654 0x80000001 0x004D89 10.10.12.0 2.2.2.3 654 0x80000001 0x004293 172.16.0.0 2.2.2.3 654 0x80000001 0x00B9BF 192.168.11.0 2.2.2.3 654 0x80000001 0x00B2CA 192.168.12.0 2.2.2.3 654 0x80000001 0x00A7D4 192.168.13.0 2.2.2.3 654 0x80000001 0x00F67B Summary ASB Link States (Area 2) Link ID ADV Router Age Seq# Checksum 1.1.1.12 2.2.2.3 654 0x80000001 0x0029B9 Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 0.0.0.0 1.1.1.12 7 0x80000003 0x00D6CA 1 ``` sh ip route R2-2 : ``` 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 + - replicated route, % - next hop override Gateway of last resort is 10.10.22.1 to network 0.0.0.0 O*E2 0.0.0.0/0 [110/1] via 10.10.22.1, 00:08:30, Serial0/0/1 1.0.0.0/32 is subnetted, 1 subnets O IA 1.1.1.12 [110/130] via 10.10.22.1, 00:08:35, Serial0/0/1 2.0.0.0/32 is subnetted, 1 subnets C 2.2.2.2 is directly connected, Loopback2 10.0.0.0/8 is variably subnetted, 6 subnets, 3 masks O IA 10.10.11.0/30 [110/129] via 10.10.22.1, 00:08:35, Serial0/0/1 O IA 10.10.12.0/30 [110/129] via 10.10.22.1, 00:08:35, Serial0/0/1 O 10.10.21.0/30 [110/128] via 10.10.22.1, 00:10:07, Serial0/0/1 C 10.10.22.0/24 is directly connected, Serial0/0/1 O 10.10.22.0/30 [110/128] via 10.10.22.1, 00:10:07, Serial0/0/1 L 10.10.22.2/32 is directly connected, Serial0/0/1 172.16.0.0/30 is subnetted, 1 subnets O IA 172.16.0.0 [110/65] via 10.10.22.1, 00:08:35, Serial0/0/1 O IA 192.168.11.0/24 [110/130] via 10.10.22.1, 00:08:35, Serial0/0/1 O IA 192.168.12.0/24 [110/130] via 10.10.22.1, 00:08:35, Serial0/0/1 O IA 192.168.13.0/24 [110/139] via 10.10.22.1, 00:08:35, Serial0/0/1 O 192.168.21.0/24 [110/129] via 10.10.22.1, 00:10:07, Serial0/0/1 O 192.168.22.0/24 [110/129] via 10.10.22.1, 00:10:07, Serial0/0/1 192.168.150.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.150.0/24 is directly connected, GigabitEthernet0/0.150 L 192.168.150.254/32 is directly connected, GigabitEthernet0/0.150 192.168.250.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.250.0/24 is directly connected, GigabitEthernet0/0.250 L 192.168.250.254/32 is directly connected, GigabitEthernet0/0.250 ``` sh ip protocols R2-2 : ``` *** IP Routing is NSF aware *** Routing Protocol is "ospf 1" Outgoing update filter list for all interfaces is not set Incoming update filter list for all interfaces is not set Router ID 2.2.2.2 Number of areas in this router is 1. 1 normal 0 stub 0 nssa Maximum path: 4 Routing for Networks: 10.10.22.0 0.0.0.255 area 2 192.168.0.0 0.0.255.255 area 2 Passive Interface(s): GigabitEthernet0/0 GigabitEthernet0/0.150 GigabitEthernet0/0.250 Routing Information Sources: Gateway Distance Last Update 2.2.2.3 110 00:17:47 2.2.2.1 110 00:19:19 1.1.1.12 110 00:17:42 Distance: (default is 110) ``` sh ip ospf R2-3: ``` R2-3#sh ip ospf Routing Process "ospf 1" with ID 2.2.2.3 Start time: 00:29:00.392, Time elapsed: 00:57:02.308 Supports only single TOS(TOS0) routes Supports opaque LSA Supports Link-local Signaling (LLS) Supports area transit capability Supports NSSA (compatible with RFC 1587) Event-log enabled, Maximum number of events: 1000, Mode: cyclic It is an area border and autonomous system boundary router Redistributing External Routes from, Router is not originating router-LSAs with maximum metric Initial SPF schedule delay 5000 msecs Minimum hold time between two consecutive SPFs 10000 msecs Maximum wait time between two consecutive SPFs 10000 msecs Incremental-SPF disabled Minimum LSA interval 5 secs Minimum LSA arrival 1000 msecs LSA group pacing timer 240 secs Interface flood pacing timer 33 msecs Retransmission pacing timer 66 msecs Number of external LSA 1. Checksum Sum 0x028C5A Number of opaque AS LSA 0. Checksum Sum 0x000000 Number of DCbitless external and opaque AS LSA 0 Number of DoNotAge external and opaque AS LSA 0 Number of areas in this router is 2. 2 normal 0 stub 0 nssa Number of areas transit capable is 0 External flood list length 0 IETF NSF helper support enabled Cisco NSF helper support enabled Reference bandwidth unit is 100 mbps Area BACKBONE(0) Number of interfaces in this area is 1 Area has no authentication SPF algorithm last executed 00:07:06.912 ago SPF algorithm executed 6 times Area ranges are Number of LSA 17. Checksum Sum 0x11EF74 Number of opaque link LSA 0. Checksum Sum 0x000000 Number of DCbitless LSA 0 Number of indication LSA 0 Number of DoNotAge LSA 0 Flood list length 0 Area 2 Number of interfaces in this area is 2 Area has no authentication SPF algorithm last executed 00:07:57.176 ago SPF algorithm executed 8 times Area ranges are Number of LSA 11. Checksum Sum 0x0564EF Number of opaque link LSA 0. Checksum Sum 0x000000 Number of DCbitless LSA 0 Number of indication LSA 0 Number of DoNotAge LSA 0 Flood list length 0 ``` sh ip ospf neighbor R2-3: ``` Neighbor ID Pri State Dead Time Address Interface 172.16.0.1 1 FULL/DR 00:00:38 172.16.0.1 GigabitEthernet0/0 2.2.2.2 0 FULL/ - 00:00:35 10.10.22.2 Serial0/0/1 2.2.2.1 0 FULL/ - 00:00:34 10.10.21.1 Serial0/0/0 ``` sh ip route R2-3: ``` 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 + - replicated route, % - next hop override Gateway of last resort is 172.16.0.1 to network 0.0.0.0 O*E2 0.0.0.0/0 [110/1] via 172.16.0.1, 00:12:12, GigabitEthernet0/0 1.0.0.0/32 is subnetted, 1 subnets O IA 1.1.1.12 [110/66] via 172.16.0.1, 00:12:12, GigabitEthernet0/0 2.0.0.0/32 is subnetted, 1 subnets C 2.2.2.3 is directly connected, Loopback1 10.0.0.0/8 is variably subnetted, 7 subnets, 3 masks O IA 10.10.11.0/30 [110/65] via 172.16.0.1, 00:12:12, GigabitEthernet0/0 O IA 10.10.12.0/30 [110/65] via 172.16.0.1, 00:12:12, GigabitEthernet0/0 C 10.10.21.0/30 is directly connected, Serial0/0/0 L 10.10.21.2/32 is directly connected, Serial0/0/0 O 10.10.22.0/24 [110/128] via 10.10.22.2, 00:13:07, Serial0/0/1 C 10.10.22.0/30 is directly connected, Serial0/0/1 L 10.10.22.1/32 is directly connected, Serial0/0/1 172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks C 172.16.0.0/30 is directly connected, GigabitEthernet0/0 L 172.16.0.2/32 is directly connected, GigabitEthernet0/0 O IA 192.168.11.0/24 [110/66] via 172.16.0.1, 00:12:12, GigabitEthernet0/0 O IA 192.168.12.0/24 [110/66] via 172.16.0.1, 00:12:12, GigabitEthernet0/0 O IA 192.168.13.0/24 [110/75] via 172.16.0.1, 00:12:12, GigabitEthernet0/0 O 192.168.21.0/24 [110/65] via 10.10.21.1, 00:13:07, Serial0/0/0 O 192.168.22.0/24 [110/65] via 10.10.21.1, 00:13:07, Serial0/0/0 O 192.168.150.0/24 [110/65] via 10.10.22.2, 00:13:07, Serial0/0/1 O 192.168.250.0/24 [110/65] via 10.10.22.2, 00:13:07, Serial0/0/1 ``` sh ip ospf database R2-3: ``` OSPF Router with ID (2.2.2.3) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 2.2.2.3 2.2.2.3 841 0x80000006 0x00CDCE 1 172.16.0.1 172.16.0.1 776 0x8000000D 0x002C03 1 Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 172.16.0.1 172.16.0.1 837 0x80000003 0x0017E1 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.12 172.16.0.1 523 0x80000004 0x00DA51 10.10.11.0 172.16.0.1 776 0x80000004 0x00E639 10.10.12.0 172.16.0.1 776 0x80000004 0x00DB43 10.10.21.0 2.2.2.3 882 0x80000002 0x00D2F9 10.10.22.0 2.2.2.3 882 0x80000003 0x005A2D 10.10.22.3 2.2.2.3 882 0x80000002 0x00A91F 192.168.11.0 172.16.0.1 776 0x80000004 0x004C7A 192.168.12.0 172.16.0.1 776 0x80000004 0x004184 192.168.13.0 172.16.0.1 882 0x80000004 0x00902B 192.168.21.0 2.2.2.3 882 0x80000002 0x00383B 192.168.22.0 2.2.2.3 882 0x80000002 0x002D45 192.168.150.0 2.2.2.3 882 0x80000002 0x00A74A 192.168.250.0 2.2.2.3 882 0x80000002 0x005736 Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.12 172.16.0.1 882 0x80000003 0x00C468 Router Link States (Area 2) Link ID ADV Router Age Seq# Checksum Link count 2.2.2.1 2.2.2.1 991 0x80000002 0x000814 4 2.2.2.2 2.2.2.2 924 0x80000003 0x00B9F2 4 2.2.2.3 2.2.2.3 880 0x80000007 0x009C9B 4 Summary Net Link States (Area 2) Link ID ADV Router Age Seq# Checksum 1.1.1.12 2.2.2.3 826 0x80000001 0x0041A1 10.10.11.0 2.2.2.3 826 0x80000001 0x004D89 10.10.12.0 2.2.2.3 826 0x80000001 0x004293 172.16.0.0 2.2.2.3 826 0x80000001 0x00B9BF 192.168.11.0 2.2.2.3 826 0x80000001 0x00B2CA 192.168.12.0 2.2.2.3 826 0x80000001 0x00A7D4 192.168.13.0 2.2.2.3 826 0x80000001 0x00F67B Summary ASB Link States (Area 2) Link ID ADV Router Age Seq# Checksum 1.1.1.12 2.2.2.3 826 0x80000001 0x0029B9 Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 0.0.0.0 1.1.1.12 180 0x80000003 0x00D6CA 1 ``` Nous avons R2-3 qui est ASBR et ABR tandis que R2-1 et R2-2 sont routeur interne.