实验参考【王文杰-在线文档库】 如下拓扑图: 在R1上查路由表看是否有R5的业务网段的路由 在R3上查看OSPF路由表,是否还有相应的路由 在R4上查看OSPF路由表,是否还有相应的路由文章目录
实验拓扑【下载】路由过滤&路由引入实验
实验需求:
172.16.X.X/24
网段的双数路由,要求使用 ACL 进行匹配172.16.X.X/24
网段的单数路由,要求使用 ACL 进行匹配基本配置
# AR1基础配置 sysname AR1 # interface GigabitEthernet0/0/0 ip address 12.1.1.1 255.255.255.0 # interface LoopBack0 ip address 172.16.1.1 255.255.255.0 # interface LoopBack1 ip address 172.16.2.2 255.255.255.0 # interface LoopBack2 ip address 172.16.3.3 255.255.255.0 # interface LoopBack3 ip address 172.16.4.4 255.255.255.0
# AR2基础配置 sysname AR2 # interface GigabitEthernet0/0/0 ip address 12.1.1.2 255.255.255.0 # interface GigabitEthernet0/0/1 ip address 23.1.1.2 255.255.255.0 # interface GigabitEthernet0/0/2 ip address 24.1.1.2 255.255.255.0 # interface LoopBack0 ip address 2.2.2.2 255.255.255.255
# AR3基础配置 sysname AR3 # interface GigabitEthernet0/0/0 ip address 23.1.1.3 255.255.255.0 # interface GigabitEthernet0/0/1 ip address 35.1.1.3 255.255.255.0 # interface LoopBack0 ip address 3.3.3.3 255.255.255.255
# AR4基础配置 sysname AR4 # interface GigabitEthernet0/0/0 ip address 24.1.1.4 255.255.255.0 # interface GigabitEthernet0/0/1 ip address 45.1.1.4 255.255.255.0 # interface LoopBack0 ip address 4.4.4.4 255.255.255.255
# AR5基础配置 sysname AR5 # interface GigabitEthernet0/0/0 ip address 35.1.1.5 255.255.255.0 # interface GigabitEthernet0/0/1 ip address 45.1.1.5 255.255.255.0 # interface LoopBack0 ip address 192.168.1.1 255.255.255.0 # interface LoopBack1 ip address 192.168.2.2 255.255.255.0 # interface LoopBack2 ip address 192.168.3.3 255.255.255.0 # interface LoopBack3 ip address 192.168.4.4 255.255.255.0 # interface LoopBack4 ip address 5.5.5.5 255.255.255.255
配置IGP
[AR1]rip [AR1-rip-1]v 2 [AR1-rip-1]net 12.0.0.0 [AR1-rip-1]net 172.16.0.0
[AR2]rip [AR2-rip-1]v 2 [AR2-rip-1]net 12.0.0.0
[AR2]ospf router-id 2.2.2.2 [AR2-ospf-1]area 0 [AR2-ospf-1-area-0.0.0.0]net 23.1.1.0 0.0.0.255 [AR2-ospf-1-area-0.0.0.0]net 24.1.1.0 0.0.0.255
[AR3]ospf router-id 3.3.3.3 [AR3-ospf-1]area 0 [AR3-ospf-1-area-0.0.0.0]net 35.1.1.0 0.0.0.255 [AR3-ospf-1-area-0.0.0.0]net 23.1.1.0 0.0.0.255
[AR4]ospf router-id 4.4.4.4 [AR4-ospf-1]area 0 [AR4-ospf-1-area-0.0.0.0]net 45.1.1.0 0.0.0.255 [AR4-ospf-1-area-0.0.0.0]net 24.1.1.0 0.0.0.255
[AR5]ospf router-id 5.5.5.5 [AR5-ospf-1]area 0 [AR5-ospf-1-area-0.0.0.0]net 35.1.1.0 0.0.0.255 [AR5-ospf-1-area-0.0.0.0]net 45.1.1.0 0.0.0.255 [AR5-ospf-1-area-0.0.0.0]net 192.168.1.0 0.0.0.255 [AR5-ospf-1-area-0.0.0.0]net 192.168.2.0 0.0.0.255 [AR5-ospf-1-area-0.0.0.0]net 192.168.3.0 0.0.0.255 [AR5-ospf-1-area-0.0.0.0]net 192.168.4.0 0.0.0.255
[AR2]ospf 1 [AR2-ospf-1]import-route rip 1 [AR2-ospf-1]rip 1 [AR2-rip-1]import-route ospf 1
配置路由过滤
[AR3]acl 2000 [AR3-acl-basic-2000]rule 5 deny source 172.16.0.0 0.0.6.0 [AR3-acl-basic-2000]rule 10 permit source any # OSPF使用filter-policy工具调用ACL [AR3-acl-basic-2000]ospf [AR3-ospf-1]filter-policy 2000 import
[AR4]acl 2000 [AR4-acl-basic-2000]rule 5 deny source 172.16.1.0 0.0.2.0 [AR4-acl-basic-2000]rule 10 permit source any # OSPF使用filter-policy工具调用ACL [AR4]ospf [AR4-ospf-1]filter-policy 2000 import
# 利用IP-Prefix对路由进行匹配 [AR2]ip ip-prefix bad permit 192.168.0.0 21 less-equal 32
# 利用Route-Policy调用IP-Prefix [AR2]route-policy bad deny node 5 [AR2-route-policy]if-match ip-prefix bad [AR2]route-policy bad permit node 10 //默认允许所有通过
# 基于RIP引用OSPF时调用路由策略 [AR2]rip [AR2-rip-1]import-route ospf 1 route-policy bad
[AR2]rip 1 [AR2-rip-1]silent-interface g0/0/1 [AR2-rip-1]silent-interface g0/0/2
以上内容均属原创,如有不详或错误,敬请指出。
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