Reference Guide

8 0001111101000000 1111111111111111 8000 8000 1
Total Ports: 4001
Example
An ACL rule with a TCP port lt 1023 uses only one entry in the CAM.
Rule# Data Mask From To #Covered
1 0000000000000000 1111110000000000 0 1023 1024
Total Ports: 1024
Related
Commands
deny — assigns a filter to deny IP traffic.
deny tcp — assigns a filter to deny TCP traffic.
ip access-list extended
Name (or select) an extended IP access list (IP ACL) based on IP addresses or protocols.
S4820T
Syntax
ip access-list extended access-list-name
To delete an access list, use the no ip access-list extended access-list-
name command.
Parameters
access-list-name Enter a string up to 140 characters long as the access list name.
Defaults All access lists contain an implicit “deny any”; that is, if no match occurs, the packet is
dropped.
Command Modes CONFIGURATION
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.10.0 Introduced on the S4810.
Version 8.1.1.0 Introduced on the E-Series ExaScale.
Version 7.8.1.0 Increased the name string to accept up to 140 characters. Prior to
7.8.1.0, names were up to 16 characters long.
Version 7.6.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
pre-Version
6.2.1.1
Introduced on the E-Series.
201