Reference Guide

190 | Access Control Lists (ACL)
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Command
History
Usage
Information
The order option is relevant in the context of the Policy QoS feature only. refer to the “Quality
of Service” chapter of the FTOS Configuration Guide for more information.
When you use the
log option, CP processor logs details about the packets that match.
Depending on how many packets match the
log entry and at what rate, the CP may become
busy as it has to log these packets’ details.
The
monitor option is relevant in the context of flow-based monitoring only. Refer to the Port
Monitoring chapter.
The C-Series and S-Series cannot count both packets and bytes, so when you enter the
count
byte
options, only bytes are incremented.
Related
Commands
ip access-list standard
c e s
Create a standard IP access list (IP ACL) to filter based on IP address.
Syntax
ip access-list standard access-list-name
Parameters
Defaults
All IP access lists contain an implicit “deny any,” that is, if no match occurs, the packet is
dropped.
Command Modes
CONFIGURATION
Version 8.3.7.0 Introduced on S4810
Version 8.3.1.0 Add DSCP value for ACL matching.
Version 8.2.1.0 Allows ACL control of fragmented packets for IP (Layer 3) ACLs.
Version 8.1.1.0 Introduced on E-Series ExaScale
Version 7.6.1.0 Added support for S-Series
Version 7.5.1.0 Added support for C-Series
Version 7.4.1.0 Added support for non-contiguous mask and added the monitor option.
Version 6.5.1.0 Expanded to include the optional QoS
order priority for the ACL entry.
Note: When ACL logging and byte counters are configured simultaneously, byte
counters may display an incorrect value. Configure packet counters with logging
instead.
ip access-list standard Configure a standard ACL.
permit Configure a permit filter.
access-list-name
Enter a string up to 140 characters long as the ACL name.