网络工程ccna实验chp20路由重分布

1、20由重分由信息。 在路由选择协议之间交换路由信息的过程被称为路由重分布（Route Redistribution20.1由重分布概20由重分由信息。 在路由选择协议之间交换路由信息的过程被称为路由重分布（Route Redistribution20.1由重分布概度量值（seed 20-1由协议默认度量20.2 实验1：RIP、EIGRPOSPF重分1.RIPEIGRP2.默度量0IGP20-1RIP、EIGRPOSPF3.R1(config)#router rip2R1(config-router)#noauto-R1(config-router)#network20-1RIP、EIGRPO

2、SPF3.R1(config)#router rip2R1(config-router)#noauto-R1(config-router)#networkR1(config-router)#redistributeicmetric3R1(config)#iproute0.0.0.00.0.0.0RIPdefault-metric令设置缺（2）2：R2 R2(config)#router eigrp 1 R2(config-router)#noauto-summaryR2(config-router)#networkR2(config-router)#redistributeripmetric1

3、0001002551/将RIPEIGRPMTUR2(config)#router2R2(config-router)#no auto-summary R2(config-router)#network192.168.12.0R2(config-router)#redistributeeigrp1/将EIGRPRIPR2(config-router)#default-metric在“redistribute”命令中用参数“metric”指定度量值优先于路由模式下在“redistribute”命令中用参数“metric”指定度量值优先于路由模式下用“default-metric”命令设定的缺省度量

4、值3：R3 R3(config)#router eigrp 1 R3(config-router)#noauto-summaryR3(config-router)#network3.3.3.0R3(config-router)#networkR3(config-router)#redistributeospf1metric10001002551/将OSPFEIGRPR3(config-router)#distanceeigrp90150EIGRP R3(config)#router ospf 1R3(config-router)#router-idR3(config-router)#netwo

5、rk192.168.34.00.0.0.255areaR3(config-router)#redistributeeigrp1metric30metric-type1/将EIGRPOSPFR3(config-router)#default-informationoriginateR4(config)#router ospf 1R4(config-router)#router-idR4(config-router)#network4.4.4.00.0.0.255areaR4(config-router)#network192.168.34.00.0.0.255area4.实验调R1#showip

6、Codes: C - connected, S - ic, R - RIP, M - mobile, B - D - EIGRP, EX - EIGRP external, O - OSPF, IA - er N1-OSPFNSSAexternaltype1,N2-OSPFNSSAexternaltype2 E1 - OSPF external type 1, E2 - OSPF external type 2i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-er * - candidate default, U - per-

7、user P - periodic downloaded icic route, o - Gateway of last resort is 0.0.0.0 to network C192.168.12.0/24 is directly connected, 3.0.0.0/24 bnetted, 1 R3.3.3.0120/4via192.168.12.2,00:00:08,4.0.0.0/32 bnetted, 1 4.4.4.4120/4via192.168.12.2,00:00:08,202.96.134.0/24 is directly connected, Serial0/0/1

8、192.168.23.0/24120/4via192.168.12.2,00:00:08,192.168.34.0/24120/4via192.168.12.2,00:00:08,0.0.0.0/0 is directly connected, R2#showipCodes: C - connected, S - ic, R - RIP, M - mobile, B - D - EIGRP, EX - EIGRP external, O - OSPF, IA - er N1-OSPFNSSAexternaltype1,N2-OSPFNSSAexternaltype2 E1 - OSPF ext

9、ernal type 1, E2 - OSPF external type 2i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-er* - candidate default, U - per-user R2#showipCodes: C - connected, S - ic, R - RIP, M - mobile, B - D - EIGRP, EX - EIGRP external, O - OSPF, IA - er N1-OSPFNSSAexternaltype1,N2-OSPFNSSAexternaltype2

10、E1 - OSPF external type 1, E2 - OSPF external type 2i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-er* - candidate default, U - per-user ic route, o - P - periodic downloaded ic Gatewayoflastresortis192.168.12.1tonetworkC192.168.12.0/24 is directly connected, 3.0.0.0/24 bnetted, 1 D3.3.3

11、.090/2297856via192.168.23.3,00:00:21,4.0.0.0/32 bnetted, 1 D C4.4.4.4170/3097600via192.168.23.3,00:00:21,192.168.23.0/24 is directly connected, DEX192.168.34.0/24170/3097600via192.168.23.3,00:00:21,0.0.0.0/0120/3via192.168.12.1,00:00:05,“R*R3分布进来OSPF路由也被路由R2习到，路由代码为“DEX170路由和外部路由，默认的时候路由的管理距离是R3#sho

12、wipCodes: C - connected, S - ic, R - RIP, M - mobile, B - D - EIGRP, EX - EIGRP external, O - OSPF, IA - er N1-OSPFNSSAexternaltype1,N2-OSPFNSSAexternaltype2 E1 - OSPF external type 1, E2 - OSPF external type 2i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-er * - candidate default, U - p

13、er-user ic route, o - P - periodic downloaded ic Gateway of last resort is 192.168.23.2 to network DEX192.168.12.0/24150/3097600via192.168.23.2,00:13:43,3.0.0.0/24 bnetted, 1 C3.3.3.0 is directly connected, 4.0.0.0/32 bnetted, 1 OC4.4.4.4110/65via192.168.34.4,00:13:43,192.168.23.0/24 is directly con

14、nected, C192.168.34.0/24 is directly connected, D*EX0.0.0.0/0150/3097600via192.168.23.2,00:06:08,“D*EXEIGRP150。R4#showipCodes: C - connected, S - ic, R - RIP, M - mobile, B - D - EIGRP, EX - EIGRP external, O - OSPF, IA - er N1C192.168.34.0/24 is directly connected, D*EX0.0.0.0/0150/3097600via192.16

15、8.23.2,00:06:08,“D*EXEIGRP150。R4#showipCodes: C - connected, S - ic, R - RIP, M - mobile, B - D - EIGRP, EX - EIGRP external, O - OSPF, IA - er N1-OSPFNSSAexternaltype1,N2-OSPFNSSAexternaltype2 E1 - OSPF external type 1, E2 - OSPF external type 2i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia

16、- IS-er* - candidate default, U - per-user ic route, o - P - periodic downloaded ic Gateway of last resort is 192.168.34.3 to network OE1192.168.12.0/24110/94via192.168.34.3,00:25:26,3.0.0.0/24 bnetted, 1 O 3.3.3.0110/94via192.168.34.3,00:25:26,4.0.0.0/24 bnetted, 1 COE1 4.4.4.0 is directly connecte

17、d, 192.168.23.0/24110/94via192.168.34.3,00:25:26,192.168.34.0/24 is directly connected, O*E20.0.0.0/0110/1via192.168.34.3,00:25:26,E1R3O E2”的默认路由。（5）showipR3#showipRoutingProtocol is eigrp 1 运行AS1EIGRPOutgoing update filter list for ing update filter list for is not is not Default networks flagged i

18、n outgoing Default networks accepted ing EIGRP metric weight K1=1, K2=0, K3=1, K4=0, um hopcount um metric variance Redistributing:eigrp1,ospf1ernal,external 1 & 2,nssa-external 1 & /将OSPF1EIGRPEIGRP NSF-aware route hold timer is 240s Automaticnetworksummarizationisnotineffectum path: 4 RoutingforNe

19、tworks:Routing Information :Last ernal90externalRoutingProtocol isospf 1 /运行OSPFOutgoingupdatefilterlistforRouting Information :Last ernal90externalRoutingProtocol isospf 1 /运行OSPFOutgoingupdatefilterlistforall ing update filter list for Router ID is not is not Itisanautonomoussystemboundaryrouter/自

20、治系统边界路由器（ASBR） Redistributing External Routes from,eigrp1withmetricmappedto30,bnetsin/将EIGRP1OSPFNumber of um path: his router is 1. 1 normal 0 stub 0 Routing for 192.168.34.0 0.0.0.255 area Routing Information :LastUpdate Distance: (default is 20.3验2：ISISOSPF分1.2.ISISOSPF3.R1(config)#router isisR1(

21、config-router)#netR1(config-router)#is-typelevel-2-erfaceR1(config-if)#ipaddress1.1.1.1R1(config)#router isisR1(config-router)#netR1(config-router)#is-typelevel-2-erfaceR1(config-if)#ipaddress1.1.1.1R1(config-if)#iprouteraddress192.168.12.1routerisis R2(config)#router isisR2(config-router)#net49.000

22、2.2222.2222.2222.00 R2(config-router)#is-type level-2-onlyR2(config-router)#redistributeospf1metric20OSPFIS-ISerfaceR2(config-if)#ipaddress2.2.2.2R2(config-if)#iprouterR2(config-if)#ipaddress192.168.12.2R2(config-if)#clockrate128000 R2(config-if)#ip router isis R2(config-if)#no shutdown R2(config)#r

23、outer ospf 1R2(config-router)#router-idR2(config-router)#network 192.168.23.0 0.0.0.255 area 1 R2(config-router)#redistributeisislevel-2metric50subnets/将IS-ISOSPFR2(config-router)#redistributeconnected在重分布 IS-IS 路由协议的时候，只能将 L1 和 L2 的路由重分布进来，而运行 IS-IS重分布直连，那么 R3 和R4 的路由表中将没有“192.168.12.0”的路由条目，造成局部网络

24、R3(config)#router ospf 1R3(config-router)#router-id3.3.3.00.0.0.255192.168.23.0192.168.34.00areaarea（4）步骤 4：配置路由器 R4 R4(config)#ipprefix-list R4(config)#ipprefix-R4(config)#route-map1seq5permit4.4.0.0/24/定义前缀列表 2 seq 5 permit 4.4.1.0/24permit10/定义策略，21R4(config-route-map)#match（4）步骤 4：配置路由器 R4 R4(co

25、nfig)#ipprefix-list R4(config)#ipprefix-R4(config)#route-map1seq5permit4.4.0.0/24/定义前缀列表 2 seq 5 permit 4.4.1.0/24permit10/定义策略，21R4(config-route-map)#matchipaddressprefix-list R4(config-route-map)#set metric 50R4(config-route-map)#setmetric-typetype-1 R4(config)#route-map conn permit 20R4(config-ro

26、ute-map)#matchipaddressprefix-list R4(config-route-map)#set metric 100R4(config)#routerospfR4(config-router)#router-id12R4(config-router)#network 192.168.34.0 0.0.0.255 area 0 R4(config-router)#redistributeconnectedsubnetsroute-mapconn（1）路由器 R4 重分布直连的环回接口时，对“4.4.0.0”做的控制50，度量值的类型为 1，而对“4.4.1.0”做的控制（

27、2）由于要重分布直连接口，所以一定不能在 OSPF 的路由进程中通告“4.4.0.0”“4.4.1.0；控4.实验调R1#showipCodes: C - connected, S - ic, R - RIP, M - mobile, B - D - EIGRP, EX - EIGRP external, O - OSPF, IA - er N1-OSPFNSSAexternaltype1,N2-OSPFNSSAexternaltype2 E1 - OSPF external type 1, E2 - OSPF external type 2i - IS-IS, L1 - IS-IS leve

28、l-1, L2 - IS-IS level-2, ia - IS-er * - candidate default, U - per-user P - periodic downloaded icic route, o - Gateway of last resort is not C192.168.12.0/24 is directly connected, 1.0.0.0/24 bnetted, 1 C1.1.1.0 is directly connected, 2.0.0.0/24 bnetted, 1 i 2.2.2.0115/20via192.168.12.2,3.0.0.0/32

29、bnetted, 1 i 3.3.3.3115/30via192.168.12.2,4.0.0.0/24 bnetted, 2 i i 4.4.0.0115/30via192.168.12.2,4.4.1.0115/30via192.168.12.2,iL2192.168.23.0/24115/30via192.168.12.2,Serial0/0/0 iL2192.168.34.0/24115/30viai 3.3.3.3115/30via192.168.12.2,4.0.0.0/24 bnetted, 2 i i 4.4.0.0115/30via192.168.12.2,4.4.1.011

30、5/30via192.168.12.2,iL2192.168.23.0/24115/30via192.168.12.2,Serial0/0/0 iL2192.168.34.0/24115/30via192.168.12.2,以上输出表明路由器 R1 学到整个网络的路由信息，其中路由条目“2.2.2.0”是 IS-路由,而其它的“iL2R2R2#showipCodes: C - connected, S - ic, R - RIP, M - mobile, B - D - EIGRP, EX - EIGRP external, O - OSPF, IA - er N1-OSPFNSSAexter

31、naltype1,N2-OSPFNSSAexternaltype2 E1 - OSPF external type 1, E2 - OSPF external type 2i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-er * - candidate default, U - per-user P - periodic downloaded icic route, o - Gateway of last resort is not C192.168.12.0/24 is directly connected, 1.0.0.

32、0/24 bnetted, 1 i 1.1.1.0115/20via192.168.12.1,2.0.0.0/24 bnetted, 1 C2.2.2.0 is directly connected, 3.0.0.0/32 bnetted, 1 O 3.3.3.3110/65via192.168.23.3,00:00:27,4.0.0.0/24 bnetted, 2 O OE2 4.4.0.0110/178via192.168.23.3,00:00:27,4.4.1.0110/100via192.168.23.3,00:00:27,192.168.23.0/24 is directly con

33、nected, OIA192.168.34.0/24110/128via192.168.23.3,00:00:27,R2iL2OSPFOIA”的路由，也R3#showipCodes: C - connected, S - ic, R - RIP, M - mobile, B - D - EIGRP, EX - EIGRP external, O - OSPF, IA - er N1-OSPFNSSAexternaltype1,N2-OSPFNSSAexternaltype2 E1 - OSPF external type 1, E2 - OSPF external type 2i - IS-I

34、S, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-er * - candidate default, U - per-user ic route, o - P - periodic downloaded ic Gateway of last resort is not OE2192.168.12.0/24110/20via192.168.23.2,00:01:27,1.0.0.0/24 bnetted, 1 O 1.1.1.0110/50via192.168.23.2,00:01:23,2.0.0.0/24 bnetted, 1 O 2.2.

35、2.0110/20via192.168.23.2,00:01:27,3.0.0.0/24 bnetted, 1 C3.3.3.0 is directly connected, 4.0.0.0/24 bnetted, 2 O Gateway of last resort is not OE2192.168.12.0/24110/20via192.168.23.2,00:01:27,1.0.0.0/24 bnetted, 1 O 1.1.1.0110/50via192.168.23.2,00:01:23,2.0.0.0/24 bnetted, 1 O 2.2.2.0110/20via192.168.23.2,00:01:27,3.0.0.0/24 bnetted, 1 C3.3.3.0 is directly connected, 4.0.0.0/24 bnetted, 2 O OE2 C4.4.