D-Link DWS-4026 [122/741] Snmp community configuration

DefiningSNMPParameters

D-Link UnifiedWiredandWirelessAccessSystem

November2011 Page122

D‐LinkUWSUserManual

SNMPCommunityConfiguration

AccessrightsaremanagedbydefiningcommunitiesontheSNMPv1,2Communitypage.Whenthecommunity

namesarechanged,accessrightsarealsochanged.SNMPCommunitiesaredefinedonlyforSNMPv1and

SNMPv2.

UsetheCommunityConfigurationpagetoenableSNMPandAuthenticationnotifications.

TodisplaytheCommunityConfigurationpage,cli

ckLAN>Administration>SNMPManager>SNMP

CommunityTableinthenavigationtree.

Figure53:SNMPCommunityConfiguration

Table43:CommunityConfigurationFields

Field Description

Community Containsthepredefinedanduser‐definedcommunitystringsthatactasa

passwordandareusedtoauthenticat etheSNMPmanagementstationtothe

device.Acommunitystringcancontainamaximumof20characters.By

default,theoptionsavailableinthemenuareasfollows:

• public:ThisSNMPcommunityha

sReadOnlyprivilegesanditsstatussetto

enable

• private:ThisSNMPcommunityhasRead/Writeprivilegesanditsstatusset

toenable.

• Create:Usethisoptiontocreateanewuser‐definedcommunitystring.

SNMPCommunityName Usethisfieldtoreconfigureanexistingcommunityortocreateanewone.A

alidentryisacase‐sensitivestringofupto16characters.

ClientIPAddress Takentogether,theClientIPAddressandClientIPMaskdenotearangeofIP

addressesfromwhichSNMPclientsmayusethatcommunitytoaccessthis

device.Ifeither(IPAddressorIPMask)v

alueis0.0.0.0,accessisallowedfrom

anyIPaddress.Otherwise,everyclient'sIPaddressisANDedwiththemask,as

istheClientIPAddress,and,ifthevaluesareequal,accessisallowed.For

example,iftheClientIPAddressandClientIPMaskparametersare

192.168.1.0/255.255.255.0,thenan

yclientwhoseIPaddressis192.168.1.0

through192.168.1.255(inclusive)willbeallowedaccess.Toallowaccessfrom

onlyonestation,useaClientIPMaskvalueof255.255.255.255,andusethat

machine'sIPaddressforClientIPAddress.