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Command Line Interface
4-102
4
MAC ACLs
access-list mac
This command adds a MAC access list and enters MAC ACL configuration mode.
Use the no form to remove the specified ACL.
Syntax
[no] access-list mac acl_name
acl_name – Name of the ACL. (Maximum length: 16 characters)
Default Setting
None
Command Mode
Global Configuration
Command Usage
• An egress ACL must contain all deny rules.
• When you create a new ACL or enter configuration mode for an existing ACL,
use the permit or deny command to add new rules to the bottom of the list.
To create an ACL, you must add at least one rule to the list.
• To remove a rule, use the no permit or no deny command followed by the
exact text of a previously configured rule.
• An ACL can contain up to 32 rules.
Table 4-35 MAC ACL Commands
Command Function Mode Page
access-list mac Creates a MAC ACL and enters configuration mode GC 4-102
permit, deny Filters packets matching a specified source and
destination address, packet format, and Ethernet type
MAC-ACL 4-103
show mac access-list Displays the rules for configured MAC ACLs PE 4-104
access-list mac
mask-precedence
Changes to the mode for configuring access control masks GC 4-105
mask Sets a precedence mask for the ACL rules MAC-Mask 4-106
show access-list mac
mask-precedence
Shows the ingress or egress rule masks for MAC ACLs PE 4-108
mac access-group Adds a port to a MAC ACL IC 4-108
show mac access-group Shows port assignments for MAC ACLs PE 4-109
map access-list mac Sets the CoS value and corresponding output queue for
packets matching an ACL rule
IC 4-109
show map access-list mac Shows CoS value mapped to an access list for an interface PE 4-110
match access-list mac Changes the 802.1p priority of a frame matching the
defined rule (i.e., also called packet marking)
IC 4-111
show marking Displays the current configuration for packet marking PE 4-101