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Access Control List Commands
4-99
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.
Example
Table 4-35 MAC ACL Commands
Command Function Mode Page
access-list mac Creates a MAC ACL and enters configuration mode GC 4-99
permit, deny Filters packets matching a specified source and
destination address, packet format, and Ethernet type
MAC-ACL 4-100
show mac access-list Displays the rules for configured MAC ACLs PE 4-101
access-list mac
mask-precedence
Changes to the mode for configuring access control masks GC 4-102
mask Sets a precedence mask for the ACL rules MAC-Mask 4-102
show access-list mac
mask-precedence
Shows the ingress or egress rule masks for MAC ACLs PE 4-104
mac access-group Adds a port to a MAC ACL IC 4-105
show mac access-group Shows port assignments for MAC ACLs PE 4-105
Console(config)#access-list mac jerry
Console(config-mac-acl)#