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Foglight for SNMP 5.9.2 - User and Reference Guide

Configuring SNMP agent properties

The SNMP agent includes the following groups of agent properties:

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On the navigation panel, under Dashboards, click Administration > Agents > Agent Status.
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On the navigation panel, under Dashboards, click Administration > Agents > Agent Status.
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Each entry in the list includes the following columns:

Each entry in the list includes the following columns:

Each entry in the list includes the following columns:

You can change the credentials for an SNMP agent, for example, if a credential becomes compromised.

There are two options for changing this global credential.

Use the Administration > Agents > Agent Properties dashboard. Select the SNMP agent from the Namespace > Type list.
Use the Administration > Agents > Agent Status dashboard. Select the SNMP agent. For example, GenericSNMPLinuxAgent. On the toolbar, click Edit > Edit Properties and click Modify the properties for all GenericSNMPAgent agents.

Each entry in the list includes the following columns:

Changing the GenericSNMPTrapAgent port

A GenericSNMPTrapAgent is created for each Agent Manager that you are using to monitor SNMP devices.

The default port number for a GenericSNMPTrapAgent is 162, but it can be changed.

On Linux, non-root users cannot bind to ports below 1024 on Linux hosts (by default), so this port number must be changed.

The GenericSNMPTrapAgent has two properties:

snmpTrapPort - Used to configure the port for the agent to receive SNMP traps from monitored SNMP devices. The port is opened on the agent side and is used to listen to the SNMP traps sent from the monitored devices.
devices - Do Not Change. The items in this table are populated by the GenericSNMPTrapAgent cartridge which is used to help the SNMPTrap agent decide if the agent should report the trap sent from an SNMP device. Only when the SNMP device sending the trap is in this monitored devices list, the agent will then report it and show it in the corresponding SNMP device dashboard.

The only property that should be changed for the GenericSNMPTrapAgent is the snmpTrapPort.

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Select the GenericSNMPTrapAgent.
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In the SNMP configurations and devices info section, change the snmpTrapPort number.
IMPORTANT: The devices property is configured automatically by the agent. It identifies the device that is sending the trap. It should not be changed.

Viewing SNMP monitored hosts

SNMP monitored hosts can be viewed from the Infrastructure Environment dashboard.

When you select a monitored host and display its resource utilization views in the Quick View, you can drill down to a detailed view to explore that host’s activity. For example, selecting a Windows® host and choosing Explore displays a monitoring dashboard that helps you understand the state of the host’s resources and how they affect your monitored system as a whole.

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On the navigation panel, under Dashboards, click Infrastructure.

In addition to the information displayed in the right-hand panel, the Physical and Unknown Host Selector is displayed on the navigation panel. Selecting a different monitored host refreshes the information displayed.

When you drill down into various levels across dashboards, a trail of breadcrumbs is left at the top of the current dashboard. This trail provides you with a simple path for returning to the main Infrastructure Environment view.

Click Infrastructure Environment in the breadcrumb to return to the main view.

Hosts monitored by both an Infrastructure and SNMP agent

When a host is monitored by both an Infrastructure and an SNMP agent, you see an Infrastructure-related Monitor tab and various SNMP tabs. SNMP tabs include Overview, Networking, and Disk Volumes.

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