If you configure the ESXi SNMP agent for polling, it can listen for and respond to requests from SNMP management client systems, such as GET, GETNEXT and GETBULK requests.
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By default, the embedded SNMP agent listens on UDP port 161 for polling requests from management systems. You can use the esxcli system snmp set command with the --port option to configure an alternative port. To avoid conflicting with other services, use a UDP port that is not defined in /etc/services.
If you run ESXCLI commands through vCLI, you must supply connection options that specify the target host and login credentials. If you use ESXCLI commands directly on a host using the ESXi Shell, you can use the commands as given without specifying connection options. For more information on connection options see vSphere Command-Line Interface Concepts and Examples.
Configure the ESXi SNMP agent by using the ESXCLI commands. See Getting Started with vSphere Command-Line Interfaces for more information on how to use ESXCLI.
- Run the esxcli system snmp set command with the --port option to configure the port.
For example, run the following command:
esxcli system snmp set --port port
Here, port is the port the SNMP agent uses to listen for polling requests.Note:
The port you specify must not be already in use by other services. Use IP addresses from the dynamic range, port 49152 and up.
- (Optional) If the ESXi SNMP agent is not enabled, run the following command:
esxcli system snmp set --enable true