老谢博客

Router>en
Password: 
Router#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Router(config)#access-list 100 permit tcp host 192.168.33.4 host 172.22.242.23 eq 80
Router(config)#access-list 100 deny tcp any host 172.22.242.23 eq 80
Router(config)#access-list 100 permit ip any any 
Router(config)#do show ip int b
Interface              IP-Address      OK? Method Status                Protocol
 
FastEthernet0/0        192.168.33.254  YES manual up                    up
 
FastEthernet0/1        172.22.242.30   YES manual up                    up
 
Serial1/0              198.18.247.65   YES manual up                    up
 
Serial1/1              unassigned      YES unset  administratively down down
 
Serial1/2              unassigned      YES unset  administratively down down
 
Serial1/3              unassigned      YES unset  administratively down down
 
Vlan1                  unassigned      YES unset  administratively down down
Router(config)#int fa 0/1
Router(config-if)#ip access-group 100 out 
Router(config-if)#end
Router#
%SYS-5-CONFIG_I: Configured from console by console
Router#
Router#copy run start
Destination filename [startup-config]? 
Building configuration...
[OK]
Router#
Router#

Router>en Password: Router#conf t Enter configuration commands, one per line. End with CNTL/Z. Router(config)#access-list 100 permit tcp host 192.168.33.4 host 172.22.242.23 eq 80 Router(config)#access-list 100 deny tcp any host 172.22.242.23 eq 80 Router(config)#access-list 100 permit ip any any Router(config)#do show ip int b Interface IP-Address OK? Method Status Protocol FastEthernet0/0 192.168.33.254 YES manual up up FastEthernet0/1 172.22.242.30 YES manual up up Serial1/0 198.18.247.65 YES manual up up Serial1/1 unassigned YES unset administratively down down Serial1/2 unassigned YES unset administratively down down Serial1/3 unassigned YES unset administratively down down Vlan1 unassigned YES unset administratively down down Router(config)#int fa 0/1 Router(config-if)#ip access-group 100 out Router(config-if)#end Router# %SYS-5-CONFIG_I: Configured from console by console Router# Router#copy run start Destination filename [startup-config]? Building configuration... [OK] Router# Router#