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ACL access control experiment

2022-07-23 13:01:00 【.98℃】

1. requirement

2. Topology

3. analysis

4. To configure

Configure the router ip

[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]ip add 192.168.2.24 24
[r1]int g0/0/1
[r1-GigabitEthernet0/0/1]ip add 192.168.1.1 30

[r2]int g0/0/0
[r2-GigabitEthernet0/0/0]ip add 192.168.1.2 30

to pc To configure ip, Replace gateway with default

[pc1]int g0/0/0
[pc1-GigabitEthernet0/0/0]ip add 192.168.2.1 24
[pc1]ip route-static 0.0.0.0 0 192.168.2.24

[pc2]int g0/0/0
[pc2-GigabitEthernet0/0/0]ip add 192.168.2.2 24
[pc2]ip route-static 0.0.0.0 0 192.168.2.24

Create one on the router lyc Users of

[r1]aaa
[r1-aaa]local-user lyc privilege level 15 password cipher a12345
[r1-aaa]local-user lyc service-type telnet
[r1-aaa]q
[r1]user-interface vty 0 1
[r1-ui-vty0-1]authentication-mode aaa

[r2]aaa
[r2-aaa]local-user lyc privilege level 15 password cipher a12345
[r2-aaa]local-user lyc service-type telnet 
[r2-aaa]q
[r2]user-interface vty 0 1
[r2-ui-vty0-1]authentication-mode aaa

Set reject ICMP and tcp23 Port number service

[r1]acl 3002
[r1-acl-adv-3002]rule deny icmp source 192.168.2.1 0 destination 192.168.2.24 0	
[r1-acl-adv-3002]rule deny tcp source 192.168.2.2 0 destination 192.168.2.24 0 destination-port eq 23
[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]traffic-filter inbound acl 3002

[r2]acl 3003
[r2-acl-adv-3003]rule deny icmp source 192.168.2.2 0 destination 192.168.1.2 0	
[r2-acl-adv-3003]rule deny tcp source 192.168.2.1 0 destination 192.168.1.2 0 destination-port eq 23
[r2]int g0/0/0
[r2-GigabitEthernet0/0/0]traffic-filter inbound acl 3003