> # Enabling RMON Alarms by Port

> ## Detailed Steps

> To configure an RMON alarm for one or more ports, follow these steps:

> 1. Choose Admin > Events > Threshold Manager and click the FC Interfaces tab.

> You see the Threshold Manager dialog box.

> 2. Choose the Select radio button to select individual ports for this threshold alarm.
> 1. Click the ... button to the right of the Selected field to display all ports.
> 2. Select the ports you want to monitor.
> 3. Click OK to accept the selection.

> Alternatively, click the appropriate radio button to choose ports by type: All ports, xE ports, or Fx ports.

> 3. Check the check box for each variable to be monitored.
> 4. Enter the threshold value in the Value column.
> 5. Enter the sampling period in seconds. This is the time between each snapshot of the variable.
> 6. Choose one of the following severity levels to assign to the alarm: Fatal, Warning, Critical, Error, Information.
> 7. Click Create.
> 8. Confirm the operation to define an alarm and a log event when the system prompts you to define a severity event. If you do not confirm the operation, the system only defines a log event.
> 9. Click More and then click the Alarms tab from the Threshold Manager dialog box to verify the alarm you created.
> 10. Close both dialog box pop-up windows.

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