Managing Ethernet MicroLAN Modules
NOTE |
On devices running older firmware versions, unlinked ports will be disabled immediately after locking has been enabled; these ports can be
For newer firmware versions:
•For station ports, the locking mechanism behaves as described above: the first two detected addresses are automatically secured; port locking will shut down the port if any additional addresses attempt access.
•For trunk ports detecting more than two but fewer than 34 addresses, only the first two detected addresses are automatically secured, and no additional addresses can be secured. Due to a firmware anomaly, trunk ports may shut down if they are locked.
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CAUTION
Because of a firmware anomaly which may cause certain trunk ports to be shut down if they are locked, we recommend that you do not implement Port Locking from the Repeater menu for any channel which contains a trunk port supporting more than two but fewer than 34 users. You can still achieve a measure of security on such channels, however, by locking ports individually from the Port Security window; see Locking and Unlocking Individual Ports, page
•Trunk ports with more than 34 addresses are considered unsecurable, and will not be locked.
NOTE |
The Device Aging Time does not apply to station ports when Locking is enabled, although the snapshot of the Source Address Database provided by the Source Addressing window may show the detected source address aging out if that address remains inactive, and the appropriate trap will be generated.
Viewing Lock Status Information
The Device View for Ethernet MicroLAN modules displays the port locking status of each repeater channel in a panel to the left of the module.
•If the Lock Status icon is green and open, no ports on that repeater are locked.
•If the Lock Status icon is red and closed, all ports on that repeater are locked.
•If the Lock Status icon is yellow and open, the port lock status on the repeater is mixed.
Repeater Statistics |
