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C
ONFIGURING
THE
S
WITCH
3-78
(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 all permit rules or all deny rules.
(Default: Permit rules)
• Source/Destination MAC – 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 Bitmask – Hexidecimal mask for source
or destination MAC address.
• VID – VLAN ID. (Range: 1-4095)
• VID 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 Mask – Protocol bitmask. (Range: 600-fff hex.)
• Packet Format – This attribute includes the following packet types:
- Any – Any Ethernet packet type.
Console(config-ext-acl)#permit 10.7.1.1 255.255.255.0 any3-118
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)#