路由重分布列表控制例子
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路由重分布列表控制例子
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OSPF與RIP路由重分布配置，使用重分布列表，對分布的路由進行控制的配置 如上例圖所示：“RIP與OSPF路由重分布例子” switchA(config)#router rip switchA(config-router)#network 192.168.10.0 switchA(config-router)#network 192.168.20.0 switchA(config-router)#network 192.168.1.0 switchA(config-router)#version 2 switchA(config-router)#no auto-summary switchA(config-router)#exit switchA(config)#end router(config)#router rip router(config-router)#network 192.168.1.0 router(config-router)#network 192.168.2.0 router(config-router)#redistribute ospf metric 3//設置路由重分布,將rip重分布到ospf中 router(config-router)#version 2 router(config-router)#no auto-summary router(config-router)#exit router(config)#router ospf router(config-router)#network 192.168.1.0 <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" />0.0.0.255 area 0 router(config-router)#network 192.168.2.0 0.0.0.255 area 0 router(config-router)#redistriblute rip subnets//設置路由重分布,將ospf重分布到rip中 router(config-router)#exit router(config)#end 在沒有設置重分布列表之前三臺設備的路由如下： Router: Router#show ip route <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />
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Codes:? C - connected, S - static,? R - RIP B - BGP ??????? 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, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area?
??????? * - candidate default?
Gateway of last resort is no set C??? 192.168.1.0/24 is directly connected, FastEthernet 0/0 C??? 192.168.1.2/32 is local host. C??? 192.168.2.0/24 is directly connected, FastEthernet 0/1 C??? 192.168.2.2/32 is local host. R??? 192.168.10.0/24 [120/1] via 192.168.1.1, 00:00:15, FastEthernet 0/0 R??? 192.168.20.0/24 [120/1] via 192.168.1.1, 00:00:15, FastEthernet 0/0 O??? 192.168.30.0/24 [110/2] via 192.168.2.1, 1d,22:44:08, FastEthernet 0/1 O??? 192.168.40.0/24 [110/2] via 192.168.2.1, 1d,22:44:08, FastEthernet 0/1?
switchA: switchA#show ip route?
Codes:? C - connected, S - static,? R - RIP B - BGP ??????? 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, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area?
??????? * - candidate default?
Gateway of last resort is no set C??? 192.168.1.0/24 is directly connected, FastEthernet 0/1 C??? 192.168.1.1/32 is local host. C??? 192.168.10.0/24 is directly connected, VLAN 10 C??? 192.168.10.1/32 is local host. C??? 192.168.20.0/24 is directly connected, VLAN 20 C??? 192.168.20.1/32 is local host. R??? 192.168.30.0/24 [120/1] via 192.168.1.2, 00:00:15, FastEthernet 0/0 R??? 192.168.40.0/24 [120/1] via 192.168.1.2, 00:00:15, FastEthernet 0/0 R??? 192.168.2.0/24 [120/1] via 192.168.1.2, 00:00:15, FastEthernet 0/0?
switchB: switchB#show ip route?
Codes:? C - connected, S - static,? R - RIP B - BGP ??????? 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, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area?
??????? * - candidate default?
Gateway of last resort is no set C??? 192.168.2.0/24 is directly connected, FastEthernet 0/1 C??? 192.168.2.1/32 is local host. O E2 192.168.10.0/24 [110/20] via 192.168.2.2, 1d,22:42:49, FastEthernet 0/1 O E2 192.168.20.0/24 [110/20] via 192.168.2.2, 1d,22:42:49, FastEthernet 0/1 O E2 192.168.1.0/24 [110/20] via 192.168.2.2, 1d,22:42:49, FastEthernet 0/1 C??? 192.168.40.0/24 is directly connected, VLAN 20 C??? 192.168.40.1/32 is local host. 根據上述的路由表的分析我們得知rip與OSPF的路由重分布成功。 可以得知，當沒有配置重分布列表時，用戶是無法控制路由重分布路由的條數下面讓我們來配置重分布列表，看一下有什么變化： Router(config)#access-list 10 permit 192.168.10.0 0.0.0.255 Router(config)#router rip Router(config)#distribute-list 10 out ospf //配置重分布任務列表10當中的允許匹配源路由的路由重分布到OSPF當中。 這時再觀察三臺設備的路由表情況： Router: Router#show ip route?
Codes:? C - connected, S - static,? R - RIP B - BGP ??????? 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, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area?
??????? * - candidate default?
Gateway of last resort is no set C??? 192.168.1.0/24 is directly connected, FastEthernet 0/0 C??? 192.168.1.2/32 is local host. C??? 192.168.2.0/24 is directly connected, FastEthernet 0/1 C??? 192.168.2.2/32 is local host. R??? 192.168.10.0/24 [120/1] via 192.168.1.1, 00:00:15, FastEthernet 0/0 R??? 192.168.20.0/24 [120/1] via 192.168.1.1, 00:00:15, FastEthernet 0/0 O??? 192.168.30.0/24 [110/2] via 192.168.2.1, 1d,22:44:08, FastEthernet 0/1 O??? 192.168.40.0/24 [110/2] via 192.168.2.1, 1d,22:44:08, FastEthernet 0/1?
switchA: switchA#show ip route?
Codes:? C - connected, S - static,? R - RIP B - BGP ??????? 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, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area?
??????? * - candidate default?
Gateway of last resort is no set C??? 192.168.1.0/24 is directly connected, FastEthernet 0/1 C??? 192.168.1.1/32 is local host. C??? 192.168.10.0/24 is directly connected, VLAN 10 C??? 192.168.10.1/32 is local host. C??? 192.168.20.0/24 is directly connected, VLAN 20 C??? 192.168.20.1/32 is local host. R??? 192.168.30.0/24 [120/1] via 192.168.1.2, 00:00:15, FastEthernet 0/0 R??? 192.168.40.0/24 [120/1] via 192.168.1.2, 00:00:15, FastEthernet 0/0 R??? 192.168.2.0/24 [120/1] via 192.168.1.2, 00:00:15, FastEthernet 0/0?
switchB: switchB#show ip route?
Codes:? C - connected, S - static,? R - RIP B - BGP ??????? 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, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area?
??????? * - candidate default?
Gateway of last resort is no set C??? 192.168.2.0/24 is directly connected, FastEthernet 0/1 C??? 192.168.2.1/32 is local host. O E2 192.168.10.0/24 [110/20] via 192.168.2.2, 1d,22:42:49, FastEthernet 0/1 O E2 192.168.1.0/24 [110/20] via 192.168.2.2, 1d,22:42:49, FastEthernet 0/1 C??? 192.168.40.0/24 is directly connected, VLAN 20 C??? 192.168.40.1/32 is local host.從路由表中可以得知，此時switchB路由表只有switchA的192.168.10.0這條路由，而沒有switchA的其他路由，這就控制路由的通告控制。轉載于:https://blog.51cto.com/smqnetwork/156376
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