Chapter4
TRAPMessages
TableofContents
TRAPMessageExplanation................................................257
SystemTRAPMessage.....................................................257
AlarmTRAPMessage.......................................................259
RMONTRAPMessage.......................................................261
OSPFTRAPMessage........................................................262
BGPTRAPMessage..........................................................271
DHCPTRAPMessage........................................................272
VRRPTRAPMessage........................................................273
IPv6TRAPInformation......................................................274
POETRAPInformation......................................................274
TRAPMessageExplanation
IntheSNMPNMS,trapindicatesatypeofalarmreport(similarto
syslogreport).Everytraphasatraptypedenition,whichisused
toindicatewhattypethealarmis(e.g.:LinkUp,LinkDowntrap
meanslinkupanddownalarms).Moreover ,sometrapscancarry
somebindingvariablesforclearlydescribingthesituationwhen
alarmcreating,e.g.theifIndexboundinLinkUpandLinkDown
trapsistoindicatetheinterfaceindexthatLinkUp/LinkDownoc-
curred(denedinRFC1213.MIB).
SystemTRAPMessage
coldStart
Information
Description
Thetrapissentduringsystempower-onandstarting.
TriggeringCriteria
1.Thesystemisbeenpoweredonandstarted.
2.TherelevantcongurationforSNMPsendingtrapiscorrect.
Recommended
Operations
None.
CondentialandProprietaryInformationofZTECORPORATION257