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Руководство пользователя. Версия 2.0 Страница: 162

D-Link DWS-4026 Руководство пользователя. Версия 2.0 онлайн [162/741] 172936

ViewingSystemStatistics

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

November2011 Page162

D‐LinkUWSUserManual

MaximumFrameSize Themaximumethernetframesizetheinterfacesupportsorisconfigured,

includingethernetheader,CRC,andpayload.(1518to9216).Thedefault

maximumframesize is1518.

PacketsTransmittedSuccessfully

TotalPacketsTransmitted

Successfully

Thenumberofframesthathavebeentransmittedbythisporttoitssegment.

UnicastPacketsTransmitted Thetotalnumberofpack etsthathigher‐levelprotocolsrequestedbe

transmittedtoasubnetwork‐unicastaddress,includingthosethatwere

discardedornotsent.

MulticastPackets

Transmitted

Thetotalnum

berofpacketsthathigher‐levelprotocolsrequestedbe

transmittedtoaMulticastaddress,includingthosethatwerediscardedornot

sent.

BroadcastPackets

Transmitted

Thetotalnumberofpack etsthathigher‐levelprotocolsrequestedbe

transmittedtotheBroadcastaddress,includingthosethatwerediscardedor

notsent.

TransmitErrors

TotalTransmitErrors ThesumofSingle,Multiple,andExcessiveCollisions.

TxFCSErrors Thetotalnumberofpacketstransmittedthathadalength(excludingframing

bits,butincludingFCSoctets)ofbetween64and1518octets,inclusive,but

hadabadFrameCheckSequence(FCS)withanintegralnumberofoctets

TxOversized Thetot

alnumberofframesthatexceededthemaxpermittedframesize.This

counterhasamaxincrementrateof815countspersecondat10Mb/s.

UnderrunErrors ThetotalnumberofframesdiscardedbecausethetransmitFIFObuffer

becameemptyduringframetransmission.

TransmitDiscards

TotalTransmitPackets

Discarded

Thesumofsinglecollisionframesdiscarded,multiplecollisionframes

discarded,andexcessiveframesdiscarded.

TotalOutputPacketsDrops ThetotalnumberofAgedpackets.

SingleCollisionFrames Acountofthenumberofsuccessfullytransmittedframesonaparticular

interfaceforwhichtransmissionisinhibitedbyexactlyonec

ollision.

MultipleCollisionFrames Acountofthenumberofsuccessfullytransmittedframesonaparticular

interfaceforwhichtransmissionisinhibitedbymorethanonecollision.

ExcessiveCollisionFrames Acountofframesforwhichtransmissiononaparticularinterfacefailsdueto

excessivecollisions.

LateCollisionFrames Totalnumberofcollisionstha

toccurafter512bitcollisionwindowhaspassed.

PortMembershipDiscards Thenumberofframesdiscardedonegressforthisportduetoegressfiltering

beingenabled.

Lost/NoCarrierFrames Lossofthecarrierdetectionoccurswhenthecarriersignalofthehardwareis

undetectable.Itcouldbebecausethecarriersignalwasnotpr

esentorwas

presentbutcouldnotbedetected.Eachsucheventcausesthiscounterto

increase.

Table71:DetailedPortStatisticsFields(Cont.)

Field Description

D-Link DWS-4026 Руководство пользователя. Версия 2.0 онлайн [162/741] 172936

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