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Edimax Technology BR-6228NC V2 Network Router User Manual

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129

Anetworkmaskisalsoa32‐bitbinarypattern,andconsistsofconsecutive

leading1’sfollowedbyconsecutivetrailing0’s,suchas

11111111.11111111.11111111.00000000.Thereforesometimesanetwork

maskcanalsobedescribedsimplyas“x”numberofleading1’s.

Whenbotharerepresentedsidebysideintheirbinaryforms,

allbitsintheIP

addressthatcorrespondto1’sinthenetworkmaskbecomepartoftheIP

networkaddress,andtheremainingbitscorrespondtothehostID.



Forexample,iftheIPaddressforadeviceis,initsbinaryform,

11011001.10110000.1001

0000.00000111,andifitsnetworkmaskis,

11111111.11111111.11110000.00000000

Itmeansthedevice’snetworkaddressis

11011001.10110000.1001

0000.00000000,anditshostIDis,

00000000.00000000.00000000.00000111

.Thisisaconvenientandefficient

methodforaccesspointstorouteIPpacketstotheirdestination.



ISPGatewayAddress:(seeISPfordefinition).TheISPGatewayAddressisan

IPaddressfortheInternetaccesspointlocatedattheISP'soffice.



ISP:InternetServiceProvider.AnISPisa

businessthatprovidesconnectivity

totheInternetforindividualsandotherbusinessesororganizations.



LAN:LocalAreaNetwork.ALANisagroupofcomputersanddevices

connectedtogetherinarelativelysmallarea(suchasahouseoranoffice).

YourhomenetworkisconsideredaLAN.



MACAddress:

MACstandsforMediaAccessControl.AMACaddressisthe

hardwareaddressofadeviceconnectedtoanetwork.TheMACaddressisa

uniqueidentifierforadevicewithanEthernetinterface.Itiscomprisedof

twoparts:3bytesofdatathatcorrespondstotheManufacturerID(unique



foreachmanufacturer),plus3bytesthatareoftenusedastheproduct’s

serialnumber.



NAT:NetworkAddressTranslation.Thisprocessallowsallofthecomputers

onyourhomenetworktouseoneIPaddress.Usingthebroadbandaccess

point’sNATcapability,youcanaccesstheInternetfromanycomputer

on

yourhomenetworkwithouthavingtopurchasemoreIPaddressesfromyour

ISP.

Port:NetworkClients(LANPC)usesportnumberstodistinguishonenetwork

application/protocoloveranother.Belowisalistofcommonapplicationsand

protocol/portnumbers:



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