组网建网实例----访问控制列表ACL+OSPF

网络拓扑图:

 

相关配置：

所有子网掩码：255.255.255.0

HostA: 10.1.1.1      GW: 10.1.1.2

HostB: 10.1.2.1      GW: 10.1.2.2

 

 

RouteA:

[RouteA]int e0

[RouteA-Ethernet0/0]ip addr 10.1.2.2 255.255.255.0

[RouteA-Ethernet0/0]undo shut

[RouteA-Ethernet0/0]int s0

[RouteA-Serial0/1]ip addr 10.1.3.1 255.255.255.0

[RouteA-Serial0/1]undo shut

[RouteA-Serial0/1]quit

[RouteA]ospf

[RouteA-ospf-1]area 0

[RouteA-ospf-1-area-0.0.0.0]network 10.1.2.0 0.0.0.255

[RouteA-ospf-1-area-0.0.0.0]network 10.1.3.0 0.0.0.255

[RouteA-ospf-1-area-0.0.0.0]quit

[RouteA]acl 100

[RouteA-acl-100]rule deny source any destination any

[RouteA-acl-100]quit

[RouteA]firewall enable

[RouteA]firewall default enable

[RouteA]int e0

[RouteA-Ethernet0/0]firewall packet-filter 100 inbound

[RouteA-Ethernet0/0]quit

 

RouteB:

[RouteB]int e0

[RouteB-Ethernet0/0]ip addr 10.1.1.1 netmask 255.255.255.0

[RouteB-Ethernet0/0]undo shut

[RouteB-Ethernet0/0]int s0

[RouteB-Serial0/0]ip addr 10.1.3.1 netmask 255.255.255.0

[RouteB-Serial0/0]undo shut

[RouteB-Serial0/0]quit

[RouteB]ospf

[RouteB-ospf-1]area 0

[RouteB-ospf-1-area-0.0.0.0]network 10.1.1.0 0.0.0.255

[RouteB-ospf-1-area-0.0.0.0]network 10.1.3.0 0.0.0.255

[RouteB-ospf-1-area-0.0.0.0]quit

[RouteB]acl 200

[RouteB-acl-200]rule permit source any destination any

[RouteB-acl-200]quit

[RouteB]firewall enable

[RouteB]firewall permit enable

[RouteB]int s0

[RouteB-Serial0/0]firewall packet-filter 200 outbound

[RouteB-Serial0/0]quit

[RouteB]

 

 

 

实验结果：

HostB ping HostA 不通

HostA ping HostB 通