Reference Guide

246 | 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
Extended MAC ACL Commands
When an access-list is created without any rule and then applied to an interface, ACL
behavior reflects implicit permit.
c and s platforms support Ingress MAC ACLs only.
The following commands configure Extended MAC ACLs.
• deny
• mac access-list extended
• permit
• seq
deny
c e s
Configure a filter to drop packets that match the filter criteria.
Syntax
deny {any | host mac-address | mac-source-address mac-source-address-mask} {any |
host mac-address | mac-destination-address mac-destination-address-mask}
[
ethertype-operator] [count [byte]] [log] [monitor]
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 packets.
permit Configure a filter to forward packets.
Note: Refer also to Commands Common to all ACL Types and Common MAC
Access List Commands.