Manual

134
V. Glossary
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DefaultGateway(Wirelessbridge):Everynon‐accesspointIPdeviceneedsto
configureadefaultgateway’sIPaddress.WhenthedevicesendsoutanIP
packet,ifthedestinationisnotonthesamenetwork,thedevicehastosend
thepackettoitsdefaultgateway,whichwillthensend
itouttowardsthe
destination.
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DHCP:DynamicHostConfigurationProtocol.Thisprotocolautomaticallygives
everycomputeronyourhomenetworkanIPaddress.
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DNSServerIPAddress:DNSstandsforDomainNameSystem,whichallows
Internetserverstohaveadomainname(suchaswww.Broadbandaccess
point.com)andoneormoreIP
addresses(suchas192.34.45.8).ADNSserver
keepsadatabaseofInternetserversandtheirrespectivedomainnamesand
IPaddresses,sothatwhenadomainnameisrequested(asintyping
"Broadbandaccesspoint.com"intoyourInternetbrowser),theuserissentto
theproperIPaddress.TheDNSserver
IPaddressusedbythecomputerson
yourhomenetworkisthelocationoftheDNSserveryourISPhasassignedto
you.
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DSLModem:DSLstandsforDigitalSubscriberLine.ADSLmodemusesyour
existingphonelinestotransmitdataathighspeeds.
 
Ethernet:Astandardforcomputer
networks.Ethernetnetworksare
connectedbyspecialcablesandhubs,andmovedataaroundatupto10/100
millionbitspersecond(Mbps).
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IPAddressandNetwork(Subnet)Mask:IPstandsforInternetProtocol.AnIP
addressconsistsofaseriesoffournumbersseparatedbyperiods,that
identifiesa
single,uniqueInternetcomputerhostinanIPnetwork.Example:
192.168.2.1.Itconsistsof2portions:theIPnetworkaddress,andthehost
identifier.
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TheIPaddressisa32‐bitbinarypattern,whichcanberepresentedasfour
cascadeddecimalnumbersseparatedby“.”:aaa.aaa.aaa.aaa,whereeach
“aaa”canbe
anythingfrom000to255,orasfourcascadedbinarynumbers
separatedby“.”:bbbbbbbb.bbbbbbbb.bbbbbbbb.bbbbbbbb,whereeach“b”
caneitherbe0or1.
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