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Foglight for Infrastructure 5.9.7 - Infrastructure Utilities User Guide

Monitoring Web transactions
Configuring credentials for Web sites requiring user or proxy authentication Exploring your collection of monitored Web sites Investigating the performance of Web transactions and monitoring locations Exploring Web Monitor services Generating reports Configuring Web Monitor agent properties View reference
Monitoring network devices

Configuring the agent properties

The Net Monitor Agent collects data about monitored network devices and sends it to the Management Server. Monitoring agents keep track of resource utilization metrics and alert you when certain pre-defined thresholds are reached.

When an agent connects to Foglight, it is provided with sets of properties that it uses to configure its correct running state. Each agent is provided with a combination of two types of properties: agent properties and shareable properties.

Default versions of these properties are installed with Foglight for Net Monitor. However, you can edit the default shareable and agent properties, configure agent properties that apply only to a specific agent instance, and create edited clones of shareable properties that are used by a subset of agents of a certain type.

For complete information about working with agent properties, see the Administration and Configuration Help.

To configure agent properties:
1
Log in to the Foglight browser interface.
2
Ensure that the navigation panel is open.
To open the navigation panel, click the right-facing arrow on the left.
3
Open the Agent Status dashboard and navigate to the agent properties.
a
On the navigation panel, under Dashboards, choose Administration > Agents > Agent Status.
 
* 
IMPORTANT: Another way of editing agent properties is through the Agent Properties dashboard. The properties you specify on this dashboard apply to all instances of the selected agent type, excluding any of the existing agents. To be certain that you are editing the properties of a particular agent instance and to prevent overwriting of properties of another agent instance, use the Agent Status dashboard instead of the Agent Properties dashboard.
b
On the Agent Status dashboard, select the instance of the Net Monitor Agent whose properties you want to modify and click Edit Properties.
c
Indicate that you want to edit the properties of the selected agent instance.
A list of agent properties appears in the display area.

Configuring Net Monitor agent properties

When you first install Foglight Net Monitor, you must deploy the Net Monitor Agent package on one or more hosts (monitoring locations). Then, create new agent instances, and set the running mode on those instances (Quick Check mode or Normal mode), and data collection intervals using the Net Monitor Agent properties.

Next, activate the agent instances, and start the data collection. If you monitor the same collection of sub-network devices, you can specify private network properties, as required. The Net Monitor Agent includes the following groups of agent properties that control its behavior:

•
NetMonitor Devices Settings
•
Data Collection Scheduler

When you finish configuring the Net Monitor Agent instances and their agent properties, you can specify the network devices that you want to monitor, and associate them with appropriate monitoring agents, as required. This can be done using the Devices Management dashboard. For more information about this dashboard, see Managing Monitored Network Devices.

NetMonitor Devices Settings

The Settings properties specify the collection mode, any private networks to which the monitored network devices belong, and identify the monitored network devices.

•
Run Quick Check Mode: Quick Check is a utility included with the Net Monitor Agent. It verifies whether a device is alive. It instructs the agent to collect data only if it fails to detect the devices that the agent is configured to monitor. Use Quick Check mode when you want to verify that devices are up and running.
If Quick Check detects the devices in the currently monitored list, Foglight continues to collect data according to the sample frequency. However, if it fails to detect the devices, it immediately initiates a data collection cycle and triggers the Network Device Not Found rule which sends an email to the system administrator.
To have the agent run in Quick Check mode, select True.
•
Private Network Config Item: A list identifying private networks to which the monitored network devices belong, if applicable. Each entry in the list includes the following columns:
•
Private network ID: The ID of the private network.
•
Private Ip Pattern: An expression representing the pattern of the private network IP. This property is used in combination with the network ID. Any IP addresses that match the specified pattern are in same network. For example, if the network ID is private network 1 and the IP pattern is 10.30.178.1-10.30.178.254, the agent monitors all devices in private network 1 that are in the 10.30.178.1-10.30.178.254 range.
Examples of private IP pattern ranges include:
192.168.0.1-192.168.0.254
192.168.0.1-192.168.0.254, 192.168.1.1-192.168.1.254
•
Device Item: A list identifying the devices monitored by the agent instance. Each entry in the list includes the following columns:
 
* 
IMPORTANT: Do not use this list to specify monitored devices. Instead, use the Devices Management dashboard. For more information about this dashboard, see Managing monitored network devices.
•
Device name: The name of the monitored network device.
•
Device’s network ID: The ID of the network associated with the network device. Configure this property if you want the agent to monitor more than one device with the same IP address but with different network IDs.
•
Device Type: The type of the network device: Host (if the device is used by a host system), or Other (if the device is used by a different machine type, such as a printer).
•
Device name override: The device name override, if applicable.
•
Ping Timeout (Milliseconds): The amount of time in milliseconds after which a ping request times out.
•
Trace Route?: Select if you want to trace routes to this network device.
•
Trace Route Timeout (Seconds): Type the amount of time in seconds after which a route trace times out.
•
Number of Packets: The number of ICMP (Internet Control Message Protocol) or UDP (Universal Datagram Protocol) packets to send to monitored network devices.
•
Data Size (Bytes): The size of the data portion of the packet in bytes.
•
Expected Response Time (Milliseconds): The expected amount of round-trip response time in milliseconds between the monitoring location and monitored network devices.

Data Collection Scheduler

The Data Collection Scheduler agent properties specify the data frequency settings that the Net Monitor Agent uses to collect metrics from the monitored websites.

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Collector Config: A list containing the data collectors the agent uses. Each entry in the list includes the following columns:
•
Collector Name: The name of the collector the uses to gather data.
•
Default Collection Interval: The number of milliseconds, seconds, minutes, hours, or days during which the Net Monitor Agent collects data.
•
Time Unit: The time unit associated with the Default Collection Interval: milliseconds, seconds, minutes, hours, or days.
•
Fast-Mode Collection Interval: The number of milliseconds, seconds, minutes, hours, or days during which the Net Monitor Agent collects data when working in the fast collection mode.
•
Fast-Mode Time Unit: The time unit associated with the Fast-Mode Collection Interval: milliseconds, seconds, minutes, hours, or days.
•
Fast-Mode Max Count: The maximum number of the times the Net Monitor Agent can stay in fast collection mode.
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