OSPF中的路由控制

本文格式为Word版，下载可任意编辑——OSPF中的路由控制试验名称：OSPF中的路由控制

试验目的：利用distribut-list来控制in的路由更新试验拓扑：

试验配置：R1

routerospf110router-id1.1.1.1

log-adjacency-changes

network1.1.1.10.0.0.0area0network10.1.12.10.0.0.0area0network20.20.20.200.0.0.0area0network172.16.0.00.0.255.255area0

R2：

routerospf110router-id2.2.2.2

log-adjacency-changes

network2.2.2.20.0.0.0area0network10.1.12.20.0.0.0area0network10.1.23.20.0.0.0area1distribute-list1inSerial1/0

access-list1deny172.16.12.00.0.3.0access-list1permitany

R3：

routerospf110router-id3.3.3.3

log-adjacency-changes

network3.3.3.30.0.0.0area1network10.1.23.30.0.0.0area1然后R2：

R2#shiproute

Codes:C-connected,S-static,I-IGRP,R-RIP,M-mobile,B-BGPD-EIGRP,EX-EIGRPexternal,O-OSPF,IA-OSPFinterarea

N1-OSPFNSSAexternaltype1,N2-OSPFNSSAexternaltype2E1-OSPFexternaltype1,E2-OSPFexternaltype2,E-EGPi-IS-IS,su-IS-ISsummary,L1-IS-ISlevel-1,L2-IS-ISlevel-2ia-IS-ISinterarea,*-candidatedefault,U-per-userstaticrouteo-ODR,P-periodicdownloadedstaticroute

Gatewayoflastresortisnotset

1.0.0.0/32issubnetted,1subnets

O1.1.1.1[110/65]via10.1.12.1,00:00:00,Serial1/02.0.0.0/32issubnetted,1subnets

C2.2.2.2isdirectlyconnected,Loopback03.0.0.0/32issubnetted,1subnets

O3.3.3.3[110/65]via10.1.23.3,00:26:25,Serial1/120.0.0.0/32issubnetted,1subnets

O20.20.20.20[110/65]via10.1.12.1,00:00:00,Serial1/0172.16.0.0/32issubnetted,4subnets

O172.16.13.1[110/65]via10.1.12.1,00:00:00,Serial1/0O172.16.12.1[110/65]via10.1.12.1,00:00:00,Serial1/0O172.16.15.1[110/65]via10.1.12.1,00:00:00,Serial1/0O172.16.14.1[110/65]via10.1.12.1,00:00:00,Serial1/0并没有过滤掉这4条路由。原因如下

access-list1deny172.16.12.0172.16.000011-00.00000000

172.16.13.0172.16.000011-01.00000000172.16.14.0172.16.000011-10.00000000172.16.15.0172.16.000011-11.000000000.0.3.00.0.000000-11.00000000但是我所宣告的loopback：

172.16.12.1172.16.00001100.00000001172.16.13.1172.16.00001101.00000001172.16.14.1172.16.00001110.00000001172.16.15.1172