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Defining Access Control Lists 65
■ Selection ACL — Selects an existing MAC-based ACL to which rules
are to be added.
■ Create ACL — Defines a new user-defined MAC-based Access
Control List.
Add Rules to ACL
■ Priority — Sets the rule priority, which determines which rule is
matched to a packet on a first-match basis. The possible field values
are 1-2147483647.
■ Source MAC Address — Matches the source MAC address to which
packets are addressed to the rule.
■ Source Mask — Defines the source MAC Address wildcard mask.
Wildcards are used to mask all or part of a source MAC address.
Wildcard masks specify which bits are used and which are ignored. A
wildcard mask of FF:FF:FF:FF:FF:FF indicates that no bit is important. A
wildcard of 00.00.00.00.00.00.00 indicates that all bits are important.
For example, if the source MAC address is 00:AB:22:11:33:00 and the
wildcard mask is 00:00:00:00:00:FF, the first five bytes of the MAC are
used, while the last byte is ignored. For the source MAC address
00:AB:22:11:33:00, this wildcard mask matches all MAC addresses in
the range 00:AB:22:11:33:00 to 00:AB:22:11:33:FF.
■ Destination MAC Address — Matches the destination MAC address
to which packets are addressed to the rule.
■ Destination Mask — Defines the destination MAC Address wildcard
mask. Wildcards are used to mask all or part of a destination MAC
address. Wildcard masks specify which bits are used and which are
ignored. A wildcard mask of FF:FF:FF:FF:FF:FF indicates that no bit is
important. A wildcard mask of 00.00.00.00.00.00 indicates that all
bits are important. For example, if the destination MAC address is
00:AB:22:11:33:00 and the wildcard mask is 00:00:00:00:00:FF, the
first five bytes of the MAC are used, while the last byte is ignored. For
the destination MAC address 00:AB:22:11:33:00, this wildcard mask
matches all MAC addresses in the range 00:AB:22:11:33:00 to
00:AB:22:11:33:FF.
■ VLAN ID — Matches the packet's VLAN ID to the rule. The possible
field values are 1 to 4093.
■ CoS — Classifies traffic based on the CoS tag value.
■ CoS Mask — Defines the CoS mask used to classify network traffic.