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