ACL和NET(HW)
第一步:pc1和pc2等相同操作
[pc1]interface GigabitEthernet 0/0/0
[pc1-GigabitEthernet0/0/0]ip address 172.16.1.1 24
##查看接口:
第二步:手工指路
[pc1]ip route-static 0.0.0.0 0.0.0.0 172.16.1.254
[pc2]ip route-static 0.0.0.0 0.0.0.0 172.16.1.254
[R2]ip route-static 172.16.1.0 255.255.255.0 172.16.2.1
第三步:添加策略,例如允许ping ,不允许telnet访问。
[r1]rule 5 deny icmp source 172.16.1.1 0 destination 172.16.2.1 0
[r1]rule 10 deny icmp source 172.16.1.1 0 destination 172.16.1.254 0
[r1]rule 15 deny tcp source 172.16.1.2 0 destination 172.16.2.1 0 destination-port eq telnet
[r1]rule 20 deny icmp source 172.16.1.2 0 destination 172.16.2.1 0
[r1]rule 25 deny tcp source 172.16.1.2 0 destination 172.16.1.254 0 destination-port eq telnet(端口为目标端口)
第四步:开启telnet服务
[r1]user-interface VTY 0 4
[r1-ui-vty0-4]authentication-mode aaa
[r1]aaa
[r1-aaa]local-user haha privilege level 15 password cipher 1234
测试:
Pc1:ping
Pc2:telnet