ESX QE450.2 Specifikace stáhnout pdf (Strana 98)

Basic System Administration

98 VMware, Inc.

Configuring SNMP Management Client Software

TouseyourSNMPmanagementsoftwarewiththeESXServer3orESXServer3iagents,

takethestepsneededtoaccomplishthefollowing:

 Inyourmanagementsoftware,specifytheESXServermachineasanSNMP‐based

manageddevice.

 Setupappropriatecommunitynamesinthemanagementsoftware.Thesemust

correspondtothevaluessetinthemasterSNMPagent’sconfigurationfile,for

example,rocommunity,trapcommunity,andtrapsink.

 LoadtheESXServerMIBsintothemanagementsoftwaresoyoucanviewthe

symbolicnamesfortheESXServervariables.YoucanfindtheMIBfileson

ESX ServerSW,inthe/usr/lib/vmware/snmp/mibsdirectory.

Configuring SNMP Security for ESX Server 3

TheESXServerSNMPpackagetakesthesimplestapproachtoSNMPsecurityinthe

defaultconfiguration.Itsetsupasinglecommunitywithread‐onlyaccess.Thisis

denotedbytherocommunityconfigurationparameterintheconfigurationfileforthe

snmpd daemon,snmpd.conf.Youshouldchangethisfile.

Otherenhancementsto

theSNMPsecuritymechanismallowanadministratortosetup

amoreelaboratepermissionsscheme.Seethesnmpd.conf(5)manpagefordetails.

SNMP Diagnostics

YoucanusethefollowingtoolstodiagnoseproblemswithSNMPconfiguration.

 Typevicfg-snmp -Tattheremotecommand‐lineinterfacetoprompttheESX

Server3iagenttosendatesttrap.

 TheSNMPv2-MIBfileprovidesanumberofcounterstoaidindebuggingSNMP

problems.Table 5‐11listssomeofthesediagnosticcounters.

Table 5-11. Diagnostic Counters from SNMPv2-MIB

Variable ID Mapping Description

snmpInPkts snmp 1 Thetotalnumberofmessagesdeliveredto

theSNMPentityfromthetransportservice.

snmpInBadVersions snmp 3 ThetotalnumberofSNMPmessagesthat

weredeliveredtotheSNMPentityand

wereforanunsupportedSNMPversion.

1 2 ... 93 94 95 96 97 98 99 100 101 102 103 ... 387 388

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ESX QE450.2 Specifikace Strana 98