Owner's Manual

where IP_address is the IP address of the management station and community_name is the SNMP community name
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2. To enable SNMP configuration changes, restart the SNMP agent by typing:
service snmpd restart
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Firewall Configuration on Systems Running Supported Red Hat Enterprise Linux Operating Systems
IfyouenablefirewallsecuritywheninstallingRedHatEnterprise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usingoneofthepreviouslydescribedmethods,performthefollowingsteps:
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1. At the Red Hat Enterprise Linux command prompt, type setup and press <Enter> to start the Text Mode Setup Utility.
The Choose a Tool menu appears.
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2. Select Firewall Configuration using the down arrow and press <Enter>.
The Firewall Configuration screen appears.
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3. Select the Security Level. The selected Security Level is indicated by an asterisk.
a. To disable the firewall, select No firewall or Disabled and go to step 7.
b. To open an entire network interface or the SNMP port, select High, Medium, or Enabled.
4. Select Customize and press <Enter>.
The Firewall Configuration - Customize screen appears.
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5. ChossewhethertoopenanentirenetworkinterfaceorjusttheSNMPportonallnetworkinterfaces.
a. To open an entire network interface, select one of the Trusted Devicesandpressthespacebar.Anasteriskintheboxtotheleftofthedevice
name indicates that the entire interface is opened.
b. To open the SNMP port on all network interfaces, select Other ports and type snmp:udp.
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6. Select OK and press <Enter>.
The Firewall Configuration screen appears.
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7. Select OK and press <Enter>.
The Choose a Tool menu appears.
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8. Select Quit and press <Enter>.
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Configuring the SNMP Agent on Systems Running Supported SUSE Linux Enterprise Server
Operating Systems
Server Administrator uses the SNMP services provided by the ucd-snmp or net-snmp agent. You can configure the SNMP agent to enable SNMP access from
remote hosts, change the community name, enable Set operations, and send traps to a management station. To configure your SNMP agent for proper
interactionwithsystemsmanagementapplicationssuchasITAssistant,performtheproceduresdescribedinthefollowingsections.
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Sever Administrator SNMP Install Actions
Server Administrator SNMP communicates with the SNMP agent using the SNMP Multiplexing (SMUX) protocol. When Server Administrator SNMP connects to the
NOTE: Thiscommandisavailableonlyifyouhaveperformedadefaultinstallationoftheoperatingsystem.
NOTE: Press<F1>formoreinformationaboutthefirewallsecuritylevels.ThedefaultSNMPportnumberis161.IfyouareusingtheXWindows
GUI, pressing <F1> may not provide information about firewall security levels on newer versions of the Red Hat Enterprise Linux operating system.
NOTE: OnSUSELinuxEnterpriseServer(version10),theSNMPagentconfigurationfileislocatedat/etc/snmp/snmpd.conf.
NOTE: See your operating system documentation for additional details about SNMP configuration.