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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 Bitmask – Hexadecimal mask for source or
destination MAC address.
• VID – VLAN ID. (Range: 1-4094)
• VID 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 Bitmask – 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-802.3 – Tagged Ethernet 802.3 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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