How to configure Extended acl for a network

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How to configure Extended acl for a network

  1. 1. Extended ACL Configuration WWW.TCPIPGURU.COM
  2. 2. Description Extended Inbound ACL for Router 1 to deny telnet access from 192.168.1.0 to 192.168.2.0 and 172.16.154.0 network.
  3. 3. Configuration on Router 1 R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#access-list 110 deny tcp 192.168.1.0 0.0.0.255 192.168.2.2 0.0.0.0 eq 23 R1(config)# access-list 110 deny tcp 192.168.1.0 0.0.0.255 172.16.154.0 0.0.101.255 eq 23 R1(config)#access-list 110 permit ip any any R1(config)#int fa0/0 R1(config-if)#ip access-group 110 in R1(config-if)#exit
  4. 4. R1#show ip access-listsExtended IP access list 110 10 deny tcp 192.168.1.0 0.0.0.255 host 192.168.2.2 eq telnet 20 deny tcp 192.168.1.0 0.0.0.255 172.16.154.0 0.0.101.255 eqtelnet

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