3 Configuring the Switch

Configuring a MAC ACL

Command Attributes

Action – An ACL can contain any combination of permit or deny rules.

Source/Destination Address Type – Use “Any” to include all possible addresses, “Host” to indicate a specific MAC address, or “MAC” to specify an address range with the Address and Bitmask fields. (Options: Any, Host, MAC; Default: Any)

Source/Destination MAC Address – Source or destination MAC address.

Source/Destination MAC Bit Mask – Hexidecimal mask for source or destination MAC address.

VID – VLAN ID. (Range: 1-4094)

VID Bit Mask – VLAN bitmask. (Range: 1-4094)

Ethernet Type – This option can only be used to filter Ethernet II formatted packets. (Range: 600-fff hex.)

A detailed listing of Ethernet protocol types can be found in RFC 1060. A few of the more common types include 0800 (IP), 0806 (ARP), 8137 (IPX).

Ethernet Type Bit Mask – Protocol bitmask. (Range: 600-fff hex.)

Packet Format – This attribute includes the following packet types:

-Any – Any Ethernet packet type.

-Untagged-eth2 – Untagged Ethernet II packets.

-Untagged-802.3 – Untagged Ethernet 802.3 packets.

-Tagged-eth2 – Tagged Ethernet II packets.

-Tagged-802.3 – Tagged Ethernet 802.3 packets.

Command Usage

Egress MAC ACLs only work for destination-mac-known packets, not for multicast, broadcast, or destination-mac-unknown packets.

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