ACCESS CONTROL LISTS

3.Permit all TCP packets from class C addresses 192.168.1.0 with the TCP control code set to “SYN.”

Console(config-ext-acl)#permit 10.7.1.1 255.255.255.0 any

3-120

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)#

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.)

3-67

Page 115
Image 115
SMC Networks SMC8624/48T manual Configuring a MAC ACL Command Attributes, 120