show access-lists

To display the contents of current access lists, use the show access-lists privileged EXEC command.

show access-lists [access-list-number | name]

Syntax Description

access-list-number

(Optional) Number of the access list to display. The system displays all access lists by default.

name

(Optional) Name of the IP access list to display.

Defaults

The system displays all access lists.

Command Modes

Privileged EXEC

Examples

The following is sample output from the show access-lists command when access list 101 is specified:

Router# show access-lists 101

Extended IP access list 101
    permit tcp host 198.92.32.130 any established (4304 matches)
    permit udp host 198.92.32.130 any eq domain (129 matches)
    permit icmp host 198.92.32.130 any
    permit tcp host 198.92.32.130 host 171.69.2.141 gt 1023
    permit tcp host 198.92.32.130 host 171.69.2.135 eq smtp (2 matches)
    permit tcp host 198.92.32.130 host 198.92.30.32 eq smtp
    permit tcp host 198.92.32.130 host 171.69.108.33 eq smtp
    permit udp host 198.92.32.130 host 171.68.225.190 eq syslog
    permit udp host 198.92.32.130 host 171.68.225.126 eq syslog
    deny   ip 150.136.0.0 0.0.255.255 224.0.0.0 15.255.255.255
    deny   ip 171.68.0.0 0.1.255.255 224.0.0.0 15.255.255.255 (2 matches)
    deny   ip 172.24.24.0 0.0.1.255 224.0.0.0 15.255.255.255
    deny   ip 192.82.152.0 0.0.0.255 224.0.0.0 15.255.255.255
    deny   ip 192.122.173.0 0.0.0.255 224.0.0.0 15.255.255.255
    deny   ip 192.122.174.0 0.0.0.255 224.0.0.0 15.255.255.255
    deny   ip 192.135.239.0 0.0.0.255 224.0.0.0 15.255.255.255
    deny   ip 192.135.240.0 0.0.7.255 224.0.0.0 15.255.255.255
    deny   ip 192.135.248.0 0.0.3.255 224.0.0.0 15.255.255.255
    deny   ip 192.150.42.0 0.0.0.255 224.0.0.0 15.255.255.255

An access list counter counts how many packets are allowed by each line of the access list. This number is displayed as the number of matches.

For information on how to configure access lists, refer to the "Configuring IP Services" chapter of the Network Protocols Configuration Guide, Part 1.

For information on how to configure dynamic access lists, refer to the "Traffic Filtering and Firewalls" chapter of the Security Configuration Guide.

Related Commands
Command Description

access-list (IP extended)

Defines an extended IP access list.

access-list (IP standard)

Defines a standard IP access list.

clear access-list counters

Clears the counters of an access list.

clear access-template

Clears a temporary access list entry from a dynamic access list manually.

ip access-list

Defines an IP access list by name.

show ip access-list

Displays the contents of all current IP access lists.