Extended IP Access Control List and Configuration.

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Extended IP Access Control List and Configuration.






 
Extended IP Access Control List



RouterA(config)#access-list 103 remark stop telnet to router A whose source ip 1.1.1.2



RouterA(config)#access-list 103 deny tcp host 1.1.1.2 host 1.1.1.2 eq 23

RouterA(config)#access-list 103 permit ip any



RouterA(config)#int s0/0

RouterA(config-if)#ip access-group 103 in



RouterA#show access-lists

Extended ip access list 103

Deny tcp host 1.1.1.2 host 1.1.1.1 eq telnet(2 matches)

Permit ip any (160 matches)