Users Guide

8. Run the following command to ensure that the SNMP ports are open before sending traps to the management

station: esxcfg-firewall -e snmpd.

Configuring The SNMP Agent On Systems Running Supported VMware ESXi 4.X And ESXi 5.X Operating

Systems

Server Administrator supports SNMP traps on VMware ESXi 4.X and ESXi 5.X. If a stand-alone license is only present,

SNMP configuration fails on VMware ESXi operating systems. Server Administrator does not support SNMP Get and Set

operations on VMWare ESXi 4.X and ESXi 5.X as the required SNMP support is unavailable. The VMware vSphere

Command- Line Interface (CLI) is used to configure systems running VMware ESXi 4.X and ESXi 5.X to send SNMP traps

to a management station.

NOTE: For more information about using the VMware vSphere CLI, see vmware.com/support.

Configuring Your System To Send Traps To A Management Station

Server Administrator generates SNMP traps in response to changes in the status of sensors and other monitored

parameters. One or more trap destinations must be configured on the system running Server Administrator for SNMP

traps to be sent to a management station.

To configure your ESXi system running Server Administrator to send traps to a management station:

1. Install the VMware vSphere CLI.

2. Open a command prompt on the system where the VMware vSphere CLI is installed.

3. Change to the directory where the VMware vSphere CLI is installed. The default location on Linux is /usr/bin. The

default location on Windows is

C:\Program Files\VMware\VMware vSphere CLI\bin.

4. Run the following command: vicfg-snmp.pl --server <server> --username <username> --

password <password> -c <community> -t <hostname> @162/<community>

where <server> is the hostname or IP address of the ESXi system, <username> is a user on the ESXi system,

<community> is the SNMP community name and <hostname> is the hostname or IP address of the

management station.

NOTE: The extension .pl is not required on Linux.

NOTE: If you do not specify a user name and password, you are prompted.

The SNMP trap configuration takes effect immediately without restarting any services.

Firewall Configuration On Systems Running Supported Red Hat Enterprise Linux Operating

Systems And SUSE Linux Enterprise Server

If you enable firewall security while installing Red Hat Enterprise Linux/SUSE Linux, the SNMP port on all external

network interfaces is closed by default. To enable SNMP management applications such as IT Assistant to discover and

retrieve information from Server Administrator, the SNMP port on at least one external network interface must be open.

If Server Administrator detects that the SNMP port is not open in the firewall for any external network interface, Server

Administrator displays a warning message and logs a message to the system log.

You can open the SNMP port by disabling the firewall, opening an entire external network interface in the firewall, or

opening the SNMP port for at least one external network interface in the firewall. You can perform this action before or

after Server Administrator is started.

To open the SNMP port on Red Hat Enterprise Linux using one of the previously described methods:

1. At the Red Hat Enterprise Linux command prompt, type setup and press <Enter> to start the Text Mode Setup

Utility.