D-Link DWS-4026 [180/741] Searching the forwarding database

ManagingVLANs

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

November2011 Page180

D‐LinkUWSUserManual

SearchingtheForwardingDatabase

Usethefollowingprocedurestosearchtheforwardingdatabase.

1. Enterthetwo‐bytehexadecimalVLANIDfollowedbythesixbytehexadecimalMACaddressintwo‐digit

groupsseparatedbycolons.

Forexample,01:23:45:67:89:AB:CD:EFwhere01:23istheVLANIDand45:67:89:AB:CD:EFistheMAC

address.

2. ClickSearch.

Iftheaddressexists,tha

tentryisdisplayedasthefirstentryinthetableafterthescreenrefreshes.The

entryisfollowedbytheremaining(greater)MACaddresses.Anexactmatchisrequired.Ifyouclick

Refresh,theMACaddresseswithlowervaluesaredisplayedagain.fake

ManagingVLANs

AddingVirtualLAN(VLAN)supporttoaLayer2switchofferssomeofthebenefitsofbothbridgingandrouting.

Likeabridge,aVLANswitchforwardstrafficbasedontheLayer2header,whichisfast,andlikearouter,it

partitionsthenetworkintologicalsegments,whichprovidesbetterad

ministration,securityandmanagement

ofmulticasttraffic.

AVLANisasetofendstationsandtheswitchportsthatconnectthem.Youmayhavemanyreasonsforthe

logicaldivision,suchasdepartmentorprojectmembership.Theonlyphysicalrequirementisthattheend

stationandtheporttowhichitisc

onnectedbothbelongtothesameVLAN.

EachVLANinanetworkhasanassociatedVLANID,whichappearsintheIEEE802.1QtagintheLayer2header

ofpacketstransmittedonaVLAN.Anendstationmayomitthetag,ortheVLANportionofthetag,inwhich

casethefir

stswitchporttoreceivethepacketmayeitherrejectitorinsertatagusingitsdefaultVLANID.A

givenportmayhandletrafficformorethanoneVLAN,butitcanonlysupportonedefaultVLANID.

VLANConfiguration

UsetheVLANConfigurationpagetodefineVLANgroupsstoredintheVLANmembershiptable.Yourswitch

supportsupto3965VLANs.VLAN1isthedefaultVLANofwhichallportsaremembers.

TodisplaytheVLANConfigurationpage,clickLAN>L2Features >VLAN>Configurationinthenavigationtr

ee.