Extreme Networks EPICenter Guide User Manual

Using the EPICenter Alarm System
EPICenter Concepts and Solutions Guide
57
Example 3: Create an RMON Rule to Detect Excessive Port Utilization
Example: Create an RMON rule that will cause an RMON Rising Trap when port utilization on a set of
critical ports, members of the port group “CriticalPorts,” exceeds 15%.
1 Bring up the New Configuration dialog. On the Configuration page, do the following:
a Type a name for the rule in the Name field (for example, “WAN Link 15%”).
If you have already created an alarm definition that will use this rule, make sure the name
matches the name you entered in the alarm definition.
b Click the Look up... button to display the Select MIB Variable dialog.
c Expand the Extreme folder, select the
extremeRtStatsUtilization variable, and click OK to
enter it into the MIB Variable field.
d Type “1500” in the Rising Threshold field. Note that for this variable the value must be in
hundredths of a percent.
e Type a smaller value, for example “1450” in the Falling Threshold field.
f Leave the Sample Type as “Absolute” and the Sample Interval at the default value (15).
g Select Rising for the Startup Alarm field.
2 Click the Ta rg et tab and do the following:
a Select Port Group as the Source Type
b Select “CriticalPorts” from the Port Groups list
c Click Add to add the Port Group to the Selection list
3 Click the Apply button to configure the rule on the device ports that are members of the
CriticalPorts port group.
A message window will appear with the device configuration results.
4 Verify that no switch configuration errors have been reported, and click OK to dismiss the window.
5 Click Close to dismiss the New Configuration dialog.
Configuring a CPU Utilization Rule
NOTE
CPU Utilization is only supported on switches running ExtremeWare 6.2 or later.
If you select CPU Utilization, only the Rising Threshold field allows input. The other fields and buttons
in this window are predefined.
● Rising Threshold— A threshold value, in percent, that will trigger an event when the CPU
utilization rises past this value. This value is also used to compute a falling threshold, which is
defined as 80% of the rising threshold.
The other parameters that you can set when you configure an RMON event, are predefined in the
Extreme switch agent for a CPU Utilization event. These are:
● MIB Variable: The MIB variable is predefined to be extremeCpuUtilRisingThreshold.0.
● Falling Threshold: This is predefined as 80% of the rising threshold
● Sample Interval: The sample interval for a CPU Utilization alarm is also predefined, and is set to 3
seconds

Extreme Networks EPICenter Guide Specifications

General

Brand	Extreme Networks
Model	EPICenter Guide
Category	Software
Language	English

Summary

EPICenter Overview

EPICenter Features

Comprehensive overview of the EPICenter software's capabilities and advantages for network management.

Inventory Management

Manages a database of all devices, enabling discovery and status tracking of network components.

The Alarm System

Provides fault detection and alarm handling for network devices, allowing custom alarm definitions.

Getting Started with EPICenter

Starting EPICenter

Details on launching the EPICenter server and client components for initial use.

Creating the Device Inventory

First step in using EPICenter to populate the inventory database through discovery or manual addition.

Managing your Network Assets

Using Discovery to Find Network Devices

Utilizes the Inventory Manager's discovery feature to automatically find network devices running SNMP agents.

Organizing Your Inventory with Device Groups

Groups devices with common characteristics for unit management, simplifying tasks like alarm scoping.

Configuring and Monitoring Your Network

User-Defined Telnet Macros

Enables creation and execution of Telnet macros for automating configuration tasks on multiple devices.

Network-wide VLAN Configuration

Manages VLANs across multiple devices, providing network-wide visibility and configuration capabilities.

Managing Network Security

Management Access Security

Secures switch configuration and traffic monitoring, controlling user access and ensuring confidentiality.

Using RADIUS for EPICenter User Authentication

Configures EPICenter to use an external RADIUS server for robust user authentication and authorization.

Tuning and Debugging EPICenter

Monitoring and Tuning EPICenter Performance

Addresses factors affecting EPICenter performance and provides tuning strategies for optimal operation.

Tuning the Alarm System

Optimizes alarm system performance by disabling unnecessary alarms and scoping them to relevant devices.

EPICenter Utilities

The DevCLI Utility

Command-line utility for managing devices and device groups, useful for bulk operations and automation.

Inventory Export Scripts

Scripts to export device or slot information from EPICenter inventory into CSV format for analysis.