Accesslayer
Accessswitchesarethemostcommonswitches.Theyaredirectlyfacingusersandaremostwidelyused,especiallyingeneraloffices,smallcomputerroomsandbusinessdepartmentswherebusinessacceptanceismoreconcentrated.,MultimediaProductionCenter,WebsiteManagementCenterandotherdepartments.Intermsoftransmissionspeed,mostmodernaccessswitchesprovidemultipleportswith10M/100M/1000Madaptivecapabilities.
Inthedesignofthecorelayerandtheconvergencelayer,themainconsiderationisthatthenetworkperformanceandfunctionalityshouldbehigh,soweadvocatetheuseofhighcost-performanceequipmentintheaccesslayerdesign.Theaccesslayeristheinterfacebetweentheenduser(computer,server,etc.)andthenetwork.Itshouldprovideplug-and-playfeaturesandshouldbeveryeasytouseandmaintain.Ofcourse,weshouldalsoconsidertheissueofportdensity.
Theaccesslayeriscomposedofwirelessnetworkcard,APandL2Switch.Accordingtothedefinitionofbroadbandnetwork,themainfunctionoftheaccesslayeristocompletetheaccessandisolationofusertraffic.ForwirelesslocalareanetworkWLANusers,theuserterminalcompletesuseraccessthroughthewirelessnetworkcardandthewirelessaccesspointAP.
Přepínače přístupových vrstev
Přepínače přístupových vrstevaregenerallyusedtodirectlyconnecttocomputers,withlowcostandhighportdensitycharacteristics.Theinputoftheaccesslayerswitchportreferstothedatasentbytheservertotheswitchport,thatis,thedatasentbytheserver.Theoutputoftheaccesslayerswitchportreferstothedatatransmittedbytheswitchporttotheserver,thatis,thedatareceivedbytheserver.