Les AS 100, 200, 300 et 400 redistribuent leurs tables de routage :
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, 00:29:22, Ethernet0
2.0.0.0/24 is subnetted, 1 subnets
D EX 2.2.2.0 [175/21177600] via 10.1.113.3, 00:17:21, Ethernet0
3.0.0.0/24 is subnetted, 1 subnets
D 3.3.3.0 [95/409600] via 10.1.113.3, 00:29:22, Ethernet0
4.0.0.0/24 is subnetted, 1 subnets
D 4.4.4.0 [95/21177600] via 10.1.113.3, 00:29:22, Ethernet0
5.0.0.0/24 is subnetted, 1 subnets
D EX 5.5.5.0 [175/21689600] via 10.1.113.3, 00:15:17, Ethernet0
6.0.0.0/24 is subnetted, 1 subnets
D EX 6.6.6.0 [175/21689600] via 10.1.113.3, 00:15:17, Ethernet0
112.0.0.0/24 is subnetted, 3 subnets
D EX 112.2.2.0 [175/21180160] via 10.1.113.3, 00:01:49, Ethernet0
D EX 112.1.1.0 [175/21180160] via 10.1.113.3, 00:01:49, Ethernet0
D EX 112.0.0.0 [175/21180160] via 10.1.113.3, 00:01:49, Ethernet0
111.0.0.0/24 is subnetted, 3 subnets
D EX 111.2.2.0 [175/20668160] via 10.1.113.3, 00:29:22, Ethernet0
D EX 111.1.1.0 [175/20668160] via 10.1.113.3, 00:29:23, Ethernet0
D EX 111.0.0.0 [175/20668160] via 10.1.113.3, 00:29:23, Ethernet0
10.0.0.0/24 is subnetted, 8 subnets
D 10.1.14.0 [95/21049600] via 10.1.113.3, 00:29:23, Ethernet0
D 10.1.12.0 [95/21049600] via 10.1.113.3, 00:29:23, Ethernet0
D EX 10.1.44.0 [175/21561600] via 10.1.113.3, 00:15:19, Ethernet0
D EX 10.1.111.0 [175/20540160] via 10.1.113.3, 00:29:24, Ethernet0
D 10.1.100.0 [95/20537600] via 10.1.113.3, 00:29:24, Ethernet0
D EX 10.1.112.0 [175/21052160] via 10.1.113.3, 00:17:23, Ethernet0
D EX 10.1.156.0 [175/21564160] via 10.1.113.3, 00:15:19, Ethernet0
Configuration de R3 en « Stub Connected »
R3(config)#router eigrp 300
R3(config-router)#eigrp stub ?
connected Do advertise connected routes
leak-map Allow dynamic prefixes based on the leak-map
receive-only Set IP-EIGRP as receive only neighbor
redistributed Do advertise redistributed routes
static Do advertise static routes
summary Do advertise summary routes
R3(config)#router eigrp 300
R3(config-router)#eigrp stub connected
R3 n`annonce que les routes connectées :
BB3#show ip route eigrp
3.0.0.0/24 is subnetted, 1 subnets
D 3.3.3.0 [95/409600] via 10.1.113.3, 00:05:55, Ethernet0
10.0.0.0/24 is subnetted, 4 subnets
D 10.1.13.0 [95/20537600] via 10.1.113.3, 00:03:07, Ethernet0
D 10.1.100.0 [95/20537600] via 10.1.113.3, 00:05:55, Ethernet0
Utilisation d`une « route-map » et « leak-map » pour annoncer quelques sous-réseau :
R3(config)#access-list 1 permit 10.1.156.0 0.0.0.255 R3(config)#access-list 1 permit 113.0.0.0 0.0.0.255 R3(config)#route-map TEST permit 10 R3(config-route-map)#match ip address 1 R3(config)#router eigrp 300 R3(config-router)#eigrp stub connected leak-map TEST
Vérifications
BB3#show ip route e 3.0.0.0/24 is subnetted, 1 subnets D 3.3.3.0 [95/409600] via 10.1.113.3, 00:01:24, Ethernet0 10.0.0.0/24 is subnetted, 4 subnets D 10.1.13.0 [95/20537600] via 10.1.113.3, 00:01:24, Ethernet0 D 10.1.100.0 [95/20537600] via 10.1.113.3, 00:01:24, Ethernet0 D EX 10.1.156.0 [175/21564160] via 10.1.113.3, 00:01:24, Ethernet0
BB3#ping 10.1.156.6 source 113.0.0.113
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.1.156.6, timeout is 2 seconds:
Packet sent with a source address of 113.0.0.113
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 172/172/172 ms
l`interface utilise pour les annonce peut être spécifiée dans le route map :
R3(config)#route-map TEST 10 R3(config-route-map)#match ip address 1 R3(config-route-map)#match interface fa0/0