Ip Access-Group - Cisco Catalyst 3560X-24P Command Reference Manual

ip access-group

ip access-group
Use the ip access-group interface configuration command on the switch stack or on a standalone switch
to control access to a Layer 2 or Layer 3 interface. Use the no form of this command to remove all access
groups or the specified access group from the interface.
Syntax Description
access-list-number
name
in
out
Defaults No access list is applied to the interface.
Command Modes Interface configuration
Command History Release
12.2(53)SE2
Usage Guidelines You can apply named or numbered standard or extended IP access lists to an interface. To define an
access list by name, use the ip access-list global configuration command. To define a numbered access
list, use the access list global configuration command. You can used numbered standard access lists
ranging from 1 to 99 and 1300 to 1999 or extended access lists ranging from 100 to 199 and 2000 to
2699.
Note Layer 3 interfaces are not supported on switches running the LAN base feature set.
You can use this command to apply an access list to a Layer 2 or Layer 3 interface. However, note these
limitations for Layer 2 interfaces (port ACLs):
•
•
•
Catalyst 3750-X and 3560-X Switch Command Reference
2-214
ip access-group {access-list-number | name} {in | out}
no ip access-group [access-list-number | name] {in | out}
The number of the IP access control list (ACL). The range is 1 to 199 or
1300 to 2699.
The name of an IP ACL, specified in the ip access-list global configuration
command.
Specify filtering on inbound packets.
Specify filtering on outbound packets. This keyword is valid only on
Layer 3 interfaces.
Modification
This command was introduced.
You can only apply ACLs in the inbound direction; the out keyword is not supported for Layer 2
interfaces.
You can only apply one IP ACL and one MAC ACL per interface.
Layer 2 interfaces Port ACLs do not support logging; if the log keyword is specified in the IP ACL,
it is ignored.
Chapter 2 Catalyst 3750-X and 3560-X Switch Cisco IOS Commands
OL-21522-02