User guide

5-34 ExtremeWare EPICenter Software Installation and User Guide
The EPICenter Alarm System
The fields and buttons in this window are defined as follows:
• Source Type: The source of the RMON rule targets (Devices, Device Groups, Ports,or
Port Groups). Select the type you want from the pull-down list. The choices you have
are determined by the variable you selected for the rule. For example, if the variable
you have selected to monitor is applied per port, you will be able to select by Port or
Port Group.
• Source List (Device/DeviceGroup/Port Group): The list of components (devices or
groups) of the specified type. The field label changes based on the Source Type. It is
labeled Device when you select either Device or Ports (a second Port field is provided
for port selection).
Note that when youleave yourcursoron adevicefor amoment, a pop-up displays the
IP address of the device.
• Source List (Port): The list of ports available on the device selected in the Devices
Source list. This list appears only if you’ve selected Ports as the Source Type. Select a
device from the Device list, and the appropriate set of ports for the device appears.
• Selection: The devices, ports, device groups, or port groups that are currently targets
for the RMON rule.
•Add->:Adds the selected Device(s), Port(s), Device Groups or Port Groups to the
Selections list, for inclusion as a target for this rule.
• Add All->: Adds all the components in the Source list to the Selection list
• <-Remove: Removes the selected components from the Selection list.
• <-Remove All: Removes all the components from the Selection list.
RMON Rule Configuration Example
Example: Create an RMON rule that will cause an RMON Rising Trap when port
utilization on port 10 of device “switch8” exceeds 15%.
1 Bring up the New Configuration dialog. On the Configuration page, dothe following:
a TypeanamefortheruleintheName field (for example, “WAN Link 15%”).
If you have already createdan alarm definition that will usethis rule, make sure the
name matches the name you entered in the alarm definition.
b Click the Look up... button to displaytheSelect MIB Variable dialog.
c Expand the Extreme folder, select the
extremeRtStatsUtilization variable, and
click OK to enter it into the MIB Variable field.