Reference Guide

244 | Access Control Lists (ACL)
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Defaults
Not configured
Command Modes
CONFIGURATION-MAC ACCESS LIST-STANDARD
Command
History
Usage
Information
When you use the log option, the 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.
Related
Commands
IP Prefix List Commands
When an access-list is created without any rule and then applied to an interface, ACL
behavior reflects implicit permit.
Use these commands to configure or enable IP prefix lists.
ethertype operator
(OPTIONAL) To filter based on protocol type, enter one of the
following Ethertypes:
• ev2 - is the Ethernet II frame format.
• llc - is the IEEE 802.3 frame format.
• snap - is the IEEE 802.3 SNAP frame format.
count
(OPTIONAL) Enter the keyword count to count packets
processed by the filter.
byte
(OPTIONAL) Enter the keyword byte to count bytes processed
by the filter.
log (OPTIONAL, E-Series only) Enter the keyword log to log the
packets.
monitor
(OPTIONAL) Enter the keyword monitor when the rule is
describing the traffic that you want to monitor and the ACL in
which you are creating the rule will be applied to the monitored
interface. For details, refer to the section “Flow-based
Monitoring” in the Port Monitoring chapter of the FTOS
Configuration Guide.
Version 8.1.1.0 Introduced on E-Series ExaScale
Version 7.6.1.0 Support added for S-Series
Version 7.5.1.0 Support added for C-Series
Version 7.4.1.0 Added monitor option
pre-Version 6.1.1.0 Introduced for E-Series
Note: When ACL logging and byte counters are configured simultaneously, byte
counters may display an incorrect value. Configure packet counters with logging
instead.
deny Configure a filter to drop traffic.
permit Configure a filter to forward traffic.