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C H A P T E R 7 Virtual LANs (VLANs)
115
This example show MAC 00:00:00:00:00:aa is only allowed to
enter into the VLAN on ports 10 and 11 because of membership
in group 100:
• The group
any is equivalent to the group 0 (zero). Ports that are
configured as
any allow any MAC address to be assigned to a
VLAN, regardless of group association.
• You can download partial configurations of the MAC-to-VLAN
database to the switch
using the timed download configuration
feature. See "Timed Configuration Download, MAC-Based
VLANs" on page 117 for more information.
MAC-Based VLAN Limitations
The limitations of MAC-based VLANs are:
You can download up to
7,000 MAC addresses to
the switch when using
MAC-based VLANs.
• Ports participating in MAC VLANs must first be removed from
any static VLANs.
• The MAC-to-VLAN mapping can only be associated with
VLANs that exist on the switch.
• A MAC address cannot be configured to associate with more than
one VLAN. If this is attempted, the MAC address is associated
with the most recent VLAN entry in the MAC-to-VLAN
database.
• The feature is intended to support one client per physical port.
After a client MAC address has successfully registered, the
*
switch480T:50 # show mac
Port Vlan Group State
10 MacVlanDiscover 100 Discover
11 MacVlanDiscover 100 Discover
12 MacVlanDiscover any Discover
13 MacVlanDiscover any Discover
14 MacVlanDiscover any Discover
Total Entries in Database:2
Mac Vlan Group
00:00:00:00:00:aa sales 100
00:00:00:00:00:01 sales any
2 matching entries