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Foglight for Infrastructure 5.9.5 - Infrastructure Utilities User Guide

Monitoring Web transactions Monitoring network devices

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:

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NetMonitor Devices Settings
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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.

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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.
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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:
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Private network ID: The ID of the private network.
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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
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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.
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Device name: The name of the monitored network device.
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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.
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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).
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Device name override: The device name override, if applicable.
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Ping Timeout (Milliseconds): The amount of time in milliseconds after which a ping request times out.
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Trace Route?: Select if you want to trace routes to this network device.
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Trace Route Timeout (Seconds): Type the amount of time in seconds after which a route trace times out.
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Number of Packets: The number of ICMP (Internet Control Message Protocol) or UDP (Universal Datagram Protocol) packets to send to monitored network devices.
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Data Size (Bytes): The size of the data portion of the packet in bytes.
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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:
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Collector Name: The name of the collector the uses to gather data.
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Default Collection Interval: The number of milliseconds, seconds, minutes, hours, or days during which the Net Monitor Agent collects data.
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Time Unit: The time unit associated with the Default Collection Interval: milliseconds, seconds, minutes, hours, or days.
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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.
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Fast-Mode Time Unit: The time unit associated with the Fast-Mode Collection Interval: milliseconds, seconds, minutes, hours, or days.
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Fast-Mode Max Count: The maximum number of the times the Net Monitor Agent can stay in fast collection mode.

View reference

Foglight displays monitoring data in views that group, format, and display data. The main types are described below.

Dashboards are top-level views that contain lower-level views. The dashboards supplied with Foglight, as well as those created by users, are accessible from the navigation panel.

Lower-level views in Foglight can be added to dashboards or can be accessed by drilling down from a dashboard. They receive and display data directly from the Management Server or from other views. Some views filter or select data that appears in other views in the same dashboard. Some are tree views with expandable nodes for selecting servers, applications, or data.

Foglight Net Monitor ships with several dashboards that allow you to monitor and configure your monitored environment. Each of these dashboards contains a number of views. This section describes these views in more detail. For more information about the available dashboards, see Managing monitored network devices and Investigating the performance of network devices.

This cartridge includes the following groups of views:

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Net Monitor Devices Management views
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Net Monitor Performance Browser views
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