A
CCESS
C
ONTROL
L
ISTS
3-103
3. Permit all TCP packets from class C addresses 192.168.1.0 with the
TCP control code set to “SYN.”
Configuring a MAC ACL
Command Attributes
• Action – An ACL can contain permit rules, deny rules, or a
combination of both. (Default: Permit 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 Bit Mask – Hexidecimal mask for source or
destination MAC address.
• VID – VLAN ID. (Range: 1-4095)
• VID Bit Mask – VLAN bitmask. (Range: 1-4095)
• 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.
Console(config-ext-acl)#permit 10.7.1.1 255.255.255.0 any 4-117
Console(config-ext-acl)#permit 192.168.1.0 255.255.255.0 any dport 80
Console(config-ext-acl)#permit 192.168.1.0 255.255.255.0 any tcp
control-code 2 2
Console(config-std-acl)#
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