The port MAC Locking tab lets you enable or disable the MAC Locking
feature on the selected port, if the device supports it. You can also view and
change a list of MAC addresses that are currently locked on the port. (Click the Retrieve
button to display this information.). To access this tab, select
a port that supports MAC Locking on the
left panel
Network Elements tab, and click the MAC Locking tab in the right panel.
In order for MAC Locking to take effect on a port, it must be enabled at the device level. You can
do this using the
Device Configuration wizard, or the
device
MAC Locking tab.
You can also enable MAC Locking for selected ports in the
Port Configuration wizard.
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Click the graphic for more information.
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MAC Locking
- Device MAC Locking Status
- Shows whether the MAC Locking feature
is enabled or disabled the device.
If the device does not support MAC locking, this option is
grayed out. In order for MAC Locking to take effect on a port, it must be
enabled at the device level. You can do this using the
device
MAC Locking tab.
- MAC Locking
- Lets you to enable or disable the MAC Locking feature on this
port.
If the device does not support MAC locking, this option is
grayed out.
MAC Locking Limits
- Maximum Number of Dynamic Locked MAC Addresses
- Allows you to set the maximum number of MAC addresses that can be locked
dynamically on the port. The numbers in parentheses let you know the range of
allowed values for the particular device. When you enable Dynamic MAC
Locking on a port, the next MAC address that authenticates or accesses
the port (up to the maximum number of dynamic locked MAC addresses) will
have exclusive access to that port from that time on. If you are using
static locked MAC addresses, the maximum number of dynamic locked MAC
addresses is usually set to 0.
- Maximum Number of Static Locked MAC Addresses
- Allows you to set the maximum number of MAC addresses that can be locked
administratively on the port. The numbers in parentheses let you know the
range of allowed values for the particular device. Static MAC Locking lets
you create a list of locked MAC addresses for a port so that the port only
accepts traffic from those MAC addresses.
- Apply
- Applies the MAC limits you've set.
Static MACs
- Static MACs
- Click Apply to change all Dynamic Locked MAC addresses (with the
Locking Cause of "First Arrival") to Static Locked
MAC addresses. To ensure that all Dynamic Locked MAC addresses are changed
to Static, make sure that the Maximum Number of Static Locked MAC
Addresses is set to a large enough value.
Locked MAC Addresses
- Retrieve
- Populates the Locked MAC Addresses table with a list of the MAC addresses currently
locked on the selected port.
- Add
- Opens the Add Static MAC window, where you can
create a list of locked MAC addresses for this port.
- Remove
- Removes the selected entry from the Locked MAC Addresses table.
- MAC Address
- MAC address that is locked.
- Locking Cause
- Indicates why the MAC address is locked:
- Authentication - Locked as the result of authentication
- First Arrival - Locked because it was the first MAC address to access the port
- Static - MAC address was added to the list administratively
For information on related concepts:
For information on related tasks:
For information on related windows: