Generic SNMP

Pack Assets

Templates

The Centreon Plugin Pack Generic SNMP brings a host template:

• App-Protocol-SNMP-custom

It brings the following service templates:

Service Alias	Service Template	Service Description	Default	Discovery
Collection	App-Protocol-SNMP-Collection	Collect and compute SNMP datas
Collection	App-Protocol-SNMP-Collection-Discovery	Collect and compute SNMP datas		X
Generic-Value	App-Protocol-SNMP-Numeric-Value	Check allowing to retrieve a digital value from an OID
Generic-Value	App-Protocol-SNMP-String-Value	Check allowing to retrieve a string value from an OID
Uptime	App-Protocol-SNMP-Uptime	Check equipment uptime using standard OID

Discovery rules

Host

Rule Name	Description
SNMP Agents	Discover hosts by requesting their SNMP agents
SNMP v3 Agents	Discover hosts by requesting their SNMP agents using SNMP v3

More information about discovering hosts automatically is available on the dedicated page.

Service

Rule Name	Description
App-Protocol-SNMP-Collection-Name

More information about discovering services automatically is available on the dedicated page and in the following chapter.

Collected metrics & status

Collection

Metric Name	Unit
selections#select

Generic-Value

Could not retrieve metrics

Uptime

Metric Name	Unit
uptime

Prerequisites

SNMP Configuration

To use this pack, the SNMP service must be properly configured on your device. Refer to the documentation of the operating systems or ISV to achieve this.

Network flow

The target server must be reachable from the Centreon poller on the UDP/161 SNMP port.

Setup

Online License

1. Install the plugin package on every Centreon poller expected to monitor Generic SNMP resources:

yum install centreon-plugin-Applications-Protocol-Snmp

2. On the Centreon web interface, on page Configuration > Plugin Packs, install the Generic SNMP Centreon Plugin Pack.

Offline License

1. Install the plugin package on every Centreon poller expected to monitor Generic SNMP resources:

yum install centreon-plugin-Applications-Protocol-Snmp

2. Install the Generic SNMP Centreon Plugin Pack RPM on the Centreon central server:

yum install centreon-pack-applications-protocol-snmp

3. On the Centreon web interface, on page Configuration > Plugin Packs, install the Generic SNMP Centreon Plugin Pack.

Configuration

Host

• Log into Centreon and add a new host through Configuration > Hosts.
• Fill the Name, Alias & IP Address/DNS fields according to your Generic SNMP server settings.
• Apply the App-Protocol-SNMP-custom template to the host.

When using SNMP v3, use the SNMPEXTRAOPTIONS Macro to add specific authentication parameters More information in the Troubleshooting SNMP section.

Mandatory	Macro	Description
	SNMPCOLLECTIONCONFIG
	SNMPEXTRAOPTIONS	Configure your own SNMPv3 credentials combo

How to check in the CLI that the configuration is OK and what are the main options for?

Once the plugin is installed, log into your Centreon poller's CLI using the centreon-engine user account (su - centreon-engine) and test the plugin by running the following command:

/usr/lib/centreon/plugins//centreon_generic_snmp.pl \
    --plugin=apps::protocols::snmp::plugin \
    --mode=string-value \
    --hostname=10.0.0.1 \
    --snmp-community='my-snmp-community' \
    --snmp-version=2c \
    --oid='' \
    --format-ok='' \
    --format-warning='' \
    --format-critical='' \
    --format-unknown='' \
    --warning-regexp= \
    --critical-regexp= \
    --use-new-perfdata

The expected command output is shown below:

OK: | 

All available options for a given mode can be displayed by adding the --help parameter to the command:

/usr/lib/centreon/plugins//centreon_generic_snmp.pl \
    --plugin=apps::protocols::snmp::plugin \
    --mode=string-value \
    --help

All available modes can be displayed by adding the --list-mode parameter to the command:

/usr/lib/centreon/plugins//centreon_generic_snmp.pl \
    --plugin=apps::protocols::snmp::plugin \
    --list-mode

Troubleshooting

Please find the troubleshooting documentation for Centreon Plugins typical issues.