Ring Security Configuration
Vendor
This field, visible in both list boxes, displays the vendor associated with each list entry, as determined by the first three bytes in its MAC address.
Security Mode Options
The Security Mode options at the top of the Security Config window display the current security configuration, and allow you to reconfigure security. When you select the Warn mode, that level of security will immediately be set at the device; when you select the Warn and Remove mode, you will be asked to confirm your selection.
Disable Security
If this option is selected, no security is set at the device. Any station can attempt to enter the ring without security action being taken. Security is disabled by default.
Enable Security
If Enable Security is selected, one of two Security Mode options is in effect; these modes determine what action will be taken when an unknown MAC address (i.e., one not in the Allowed List) is detected trying to enter the ring. The two Security Mode options are:
Warn | In Warn mode, new stations can enter the ring, but a |
| “Station Added” trap will be sent to the network |
| management station in response. This trap message is |
| only sent once, and it includes the new station’s MAC |
| address. Because new stations can still be added to the |
| Allowed List in Warn Mode, you can use this mode to |
| allow new users to enter the ring; while in Warn mode, |
| the TRMMIM automatically enters the MAC address of |
| each inserted station on the ring in the Allowed List. This |
| saves you from entering MAC addresses one at time |
| using the Add button. |
Warn and Remove | This is the highest level of ring security, which will lock |
| the ring to new stations. While in the Warn and Remove |
| mode, the TRMMIM sends a “Remove MAC Frame” |
| command to any unauthorized station attempting to |
| enter the ring, and a trap to your management station |
| informing it of the action taken. The TRMMIM will try |
| three times to remove an unauthorized station from the |
| ring; if after three attempts the station cannot be |
| removed, a trap will be sent to the management station |
| informing it that the station could not be removed. |
Launching the Security Configuration Window |
