Que upgrading and repairing networks 5th edition may 2006 ISBN 078973530x

UpgradingandRepairingNetworks
ByTerryW.Ogletree,MarkEdwardSoper
...............................................
Publisher:Que
PubDate:May11,2006
PrintISBN-10:0-7897-3530-X
PrintISBN-13:978-0-7897-3530-0
Pages:1200

TableofContents|Index

UpgradingandRepairingNetworks,FifthEdition
isthedefinitiveguideforanyonewithanetwork,fromhomenetworkingenthusiaststo
professionalnetworkadministrators.Thebookexplainsnetworkarchitecturesand
protocolsusingplainEnglishandreal-worldexamples,andgivesvaluableinsightforfixing
networkproblems.Thisupdatededitionincludesthelatestonnetworkplanningand
design,andbuildinganetworkusingwired,wireless,orbothtechnologies.Itcoversthe
latestupdatesinWindowsXPServicePack2,aswellasGigabitEthernet,virtualLANs,
Bluetooth,WAP,security,firewalls,andVPNuse.


UpgradingandRepairingNetworks
ByTerryW.Ogletree,MarkEdwardSoper
...............................................
Publisher:Que
PubDate:May11,2006
PrintISBN-10:0-7897-3530-X
PrintISBN-13:978-0-7897-3530-0
Pages:1200

TableofContents|Index

Copyright
AbouttheAuthors
Acknowledgments
WeWanttoHearfromYou!
ReaderServices
Introduction
PartI:UpFront:NetworkPlanningandDesignConcepts
Chapter1.AShortHistoryofComputerNetworking
Chapter2.OverviewofNetworkTopologies
LANTopologies
BuildingandCampusTopologies
Multi-TieredNetworkTopology
Chapter3.NetworkDesignStrategies
PlanningaLogicalNetworkDesign
PlanningandDesignComponents
ThePhysicalNetwork

PlanningResources
Chapter4.UpgradingStrategiesandProjectManagement
WhereDoYouStart?
DeterminingWhenanUpgradeIsNecessaryTheEvaluationProcess
WhatResourcesAreNeededfortheUpgrade?
PlanninganUpgrade
TestingthePlan
Deployment

UserTraining
ClosingtheBookDocumentingWhatHasChangedandWhy
OtherConsiderationsforUpgrading

Chapter5.ProtectingtheNetwork:PreventativeMaintenanceTechniques
PowerConditioningandUninterruptiblePowerSupplies(UPSs)
NetworkMonitoring
ServerandWorkstationBackups
RoutineMaintenance
BuildingRedundancyintotheNetwork
RecoveryPlanning
JustifyingPreventativeMaintenance
PartII:PhysicalNetworkingComponents
Chapter6.WiringtheNetworkCables,Connectors,Concentrators,andOther
NetworkComponents
StructuredWiring
ImportantDefinitions
PhysicalCableTypes
TerminationsandConnections
TelecommunicationsRooms
Chapter7.NetworkInterfaceCards
ChoosingaHardwareBusType
TheWiredforManagement(WfM)Initiative
Multi-HomedSystems
LoadBalancingandDual-RedundantNetworkControllers
SoftwareDrivers
IRQsandI/OPorts
TroubleshootingNetworkCards
Chapter8.NetworkSwitches
HowSwitchesWork
SwitchHardwareTypes
SwitchTroubleshootingandManagement
Chapter9.VirtualLANs
VirtualLANsandNetworkTopologies

SwitchingBasedonNetworkFrames
ImplicitandExplicitTagging
IEEEStandardsforVirtualLANs
WhatKindofSwitchShouldYouBuy?
Chapter10.Routers
WhatRoutersDo

TheDifferenceBetweenRoutableProtocolsandRoutingProtocols
WhenDoYouNeedtoUseaRouter?
RouterPortsandConnections
ConfiguringRouters
RouterChassisTypes
Chapter11.NetworkAttachedStorage(NAS)andStorageAreaNetworks

(SANs)
LocalVersusNetworkedStorageDevices
NetworkAttachedStorage
StorageAreaNetworks
BasicSANs:ArbitratedLoops
UsingaFabricSwitchedTopologyforSANs
AMixedTopologyofLoopsandSwitches
IPSANsandiSCSI
WhatKindofNASorSANSolutionShouldYouUse?
PartIII:Low-LevelNetworkProtocols
Chapter12.TheIEEELAN/MANCommitteeNetworkingStandards
WhatIstheLAN/MANCommittee?
ObtainingtheIEEE802StandardsDocumentsFree
Chapter13.Ethernet:TheUniversalStandard
AShortHistoryofEthernet
Collisions:WhatAreCSMA/CAandCSMA/CD?
RestrictionsonLegacyEthernetTopologies
UsingaBusTopology
UsingaStarTopology
HybridLANTopologies
UsingaBackbonetoConnecttheEnterprise
EthernetFrames
FastEthernet(IEEE802.3u)andGigabitEthernet(IEEE802.3z)
EthernetProblems
EthernetErrors
MonitoringErrors
PartIV:DedicatedConnectionsandWANProtocols
Chapter14.Dial-UpConnections
ThePoint-to-PointProtocolandtheSerialLineInternetProtocol
TheSerialLineInternetProtocol(SLIP)

ThePoint-to-PointProtocol(PPP)
ConfiguringaWindowsXPProfessionalClientforDial-Up
WhenDial-UpIsn'tFastEnough

Chapter15.DedicatedConnections
LeasedLines
AsynchronousTransferMode(ATM)
TheImportanceofFrameRelayandtheX.25Interface
Chapter16.DigitalSubscriberLines(DSL)Technology
DSLandCableModems
TheFutureofDSL

Chapter17.UsingaCableModem
HowCableModemsWork
HowCableModemsDifferfromxDSLBroadbandAccess
TheDataOverCableServiceInterfaceSpecification(DOCSIS)
ChoosingBetweenCableandDSL
PartV:WirelessNetworkingProtocols
Chapter18.IntroductiontoWirelessNetworking
WhyWirelessNetworksHaveProliferated
AccessPointsandAdHocNetworks
PhysicalTransmissionTechnologies
TheIEEE802.11WirelessStandard
SourcesofInterferenceforWirelessNetworks
Chapter19.IEEE802.11b:Wi-FiPioneer
Componentsofan802.11-BasedWirelessNetwork
Section802.11.bFirst,ButFadingAway
WhattoLookforinanAccessPoint
DoYouNeedaWirelessNetwork?
ConnectingtheWirelessNetworktoaWiredLAN
Dual-ModeAccessPoints
WhyWi-Fi?
Chapter20.FasterService:IEEE802.11a
OverviewoftheIEEE802.11aStandard
Comparing802.11awith802.11band802.11g
Chapter21.TheIEEE802.11gStandard
Overviewofthe802.11gStandard
InstallingaWireless-GBroadbandRouter
InstallingandConfiguringaWirelessNetworkAdapter
ProprietaryExtensionstotheIEEE802.11gStandard
ImprovingNetworkPerformancewithDual-BandWirelessTechnology
WhichWirelessProtocolShouldYouUse?

Chapter22.BluetoothWirelessTechnology
TheBluetoothSpecialInterestGroup(SIG)

GeneralOverviewofBluetooth
PiconetsandScatternets
BluetoothDeviceModes
SCOandACLLinks
WhatAreBluetoothProfiles?
BluetoothIsMoreThanaWirelessCommunicationProtocol
Chapter23.SecurityandOtherWirelessTechnologies
InstantMessagingandConsumerDevices
WirelessSecurity
PersonalAreaNetworks(PANs)
PartVI:LanandWanNetwork,Service,andApplicationProtocols
Chapter24.OverviewoftheTCP/IPProtocolSuite

TCP/IPandtheOSIReferenceModel
TheInternetProtocol(IP)
TheAddressResolutionProtocolResolvingIPAddressestoHardware
Addresses
TheTransmissionControlProtocol(TCP)
TheUserDatagramProtocol(UDP)
Ports,Services,andApplications
TheInternetControlMessageProtocol(ICMP)
Chapter25.BasicTCP/IPServicesandApplications
TheFileTransferProtocol(FTP)
TheTelnetProtocol
UsingTelnetandFTPwithaFirewall
TheR-Utilities
TheFingerUtility
OtherServicesandApplicationsBuiltontheTCP/IPSuite
Chapter26.InternetMailProtocols:POP3,SMTP,andIMAP
HowSMTPWorks
PuttingItAllTogether
ThePostOfficeProtocol(POP3)
TheInternetMessageAccessProtocolVersion4(IMAP4)
Chapter27.TroubleshootingToolsforTCP/IPNetworks
CheckingtheHostSystem'sConfigurationFirst
UsingpingandtracerttoCheckConnectivity
UsingthenslookupCommandtoTroubleshootNameResolutionIssues
OtherUsefulCommands
UsingNetworkConnectionRepairinWindowsXP

Chapter28.BOOTPandDynamicHostConfigurationProtocol(DHCP)

WhatIsBOOTP?
TakingBOOTPOneStepFurther:DHCP
InstallingandConfiguringaDHCPServeronWindows2000/2003
UsingDHCPwithRedHatLinux
ConfiguringaRouterorWAPtoProvideDHCPServices
Chapter29.NetworkNameResolution
HardwareVersusProtocolAddresses
NetBIOS
InstallingandConfiguringWINSonWindows2000/2003Servers
TCP/IPNames
InstallingDNSonaWindowsServer
NetworkInformationService
Chapter30.UsingtheActiveDirectoryService
EarlyDirectoryTechnologies
ObjectsandAttributes
WhatIsaDomainTree?WhatIsaForest?
TheActiveDirectoryandDynamicDNS
ActiveDirectoryServiceInterfaces(ADSI)
TheActiveDirectorySchema
FindingObjectsintheActiveDirectory

TheActiveDirectoryServiceandWindowsServer2003
NewActiveDirectoryFeaturesinWindowsServer2003
Chapter31.FileServerProtocols
WhyFileServerProtocolsareImportant
ServerMessageBlock(SMB)andtheCommonInternetFileSystem(CIFS)
NetWareCoreProtocol(NCP)
UnixNetworkFileSystem(NFS)
MicrosoftDistributedFileSystem(DFS)
Chapter32.TheHypertextTransferProtocol
TheBeginningofHTTP
DefiningHTTP
URLs,URIs,andURNs
Chapter33.RoutingProtocols
BasicTypesofRoutingProtocols
Multi-ProtocolLabelSwitching(MPLS)
Chapter34.TheSecureSocketsLayer(SSL)Protocol
SymmetricandAsymmetricEncryption

DoesSSLProvideEnoughSecurityforInternetTransactions?

OpenSourceSSL

Chapter35.IntroductiontotheIPv6Protocol
What'stheDifferenceBetweenIPv4andIPv6?
TheIPv6Headers
OtherIPv6Considerations
TheFutureofIPv6
PartVII:NetworkUserandResourceManagement
Chapter36.WindowsNTDomains
WorkgroupsandDomains
WindowsNTUserGroups
ManagingUserAccounts
PasswordsandPolicies
StrategiestoMinimizeLogonProblems
Chapter37.Windows2000andWindowsServer2003UserandComputer
ManagementUtilities

TheMicrosoftManagementConsole
UserManagement
ComputerManagement
Windows2000UserGroups
Chapter38.ManagingUnixandLinuxUsers
UserAdministration
NetworkInformationService(NIS)
CommonLoginProblems
Chapter39.RightsandPermissions
User-LevelandShare-LevelSecurity
AssigningUserRightsforWindows2000,Server2003,andXP
NTFSStandardandSpecialPermissions
UserGroupsMakeManagingUserRightsEasier
UserGroupsinWindows2000andServer2003
ActiveDirectoryGroups
NetWare
UnixandLinux
Chapter40.NetworkPrintingProtocols
PrintingProtocolsandPrintingLanguages
DataLinkControlProtocol(DLC)
InternetPrintingProtocol(IPP)
Chapter41.PrintServers




Unix/LinuxPrinting

ConfiguringWindowsPrintServers



InstallingandConfiguringPrintersonWindowsServers




PrintingUnderNetWare
Hardware-BasedPrintServersPrintServerAppliances

PartVIII:SystemandNetworkSecurity
Chapter42.BasicSecurityMeasuresEveryNetworkAdministratorNeedsto
Know
PoliciesandProcedures
PhysicalSecurityMeasures
TheTwoSidesofSecurity
SystemDaemonsandServices
RemovingDeadWood
DelegatingAuthority
Don'tForgetAboutFirewalls
Chapter43.AuditingandOtherMonitoringMeasures
UnixandLinuxSystems
ConfiguringWindowsNT4.0AuditingPolicies
ConfiguringWindows2000andWindowsServer2003AuditingPolicies
AuditingWindowsXPProfessionalComputers

NovellSecurity
NetWareAuditingSolutions
Chapter44.SecurityIssuesforWideAreaNetworks
You'veBeenTargeted!
ComputerViruses,TrojanHorses,andOtherDestructivePrograms
YourNetworkUnderFireCommonAttacks
NetworkProbes
SpoofingandImpersonation
IfIt'sTooGoodtoBeTrue,ItIsn't
PreventativeMeasures
StayingonTopofSecurityIssues
Chapter45.Firewalls
WhatIsaFirewall?
PacketFilters
IntrusionDetection(StatefulInspection)
ProxyServers
Hybrids




InexpensiveFirewallsforSOHOEnvironments



HowDoYouKnowThattheFirewallIsSecure?

Chapter46.VirtualPrivateNetworks(VPNs)andTunneling
WhatIsaVPN?
Protocols,Protocols,andMoreProtocols!
IPSecProtocols
ThePoint-to-PointTunnelingProtocol(PPTP)
LayerTwoTunnelingProtocol(L2TP)
CreatingaVPNConnectionwithWindowsXPProfessional
SelectingaRouterwithVPNSupport
Chapter47.EncryptionTechnology
ComputersandPrivacy
WhatIsEncryption?
DigitalCertificates
PrettyGoodPrivacy(PGP)
PartIX:TroubleshootingNetworks
Chapter48.StrategiesforTroubleshootingNetworkProblems
ADocumentedNetworkIsEasiertoTroubleshoot
Problem-SolvingTechniques
PitfallsofTroubleshooting
Chapter49.NetworkTestingandAnalysisTools
Basics:TestingCables
NetworkandProtocolAnalyzers
SimpleNetworkManagementProtocol(SNMP)
Chapter50.TroubleshootingSmallOfficeandHomeOffice(SOHO)Networks
PowerProblems

ComputerConfigurationIssues
ComponentProblemsYouCan'tGetTherefromHere
SecureThoseCables!
FirewallProblems
KeepingYourNetworkHealthy
WirelessNetworkingProblems
WhenAllElseFails
PartX:UpgradingNetworkHardware
Chapter51.UpgradingOlderEthernetNetworks
Upgradingfrom10BASE-2or10BASE-T




HardwareandSoftwareFactorstoConsiderfor10BASE-2,10BASE-T,and
100BASE-T





ConnectingNetworksThatUseDifferentCablesorTopologies
OtherPossibilities
UpgradingtheNetworkBackbonetoGigabitEthernet





UsingGigabitEthernetforHigh-EndServers

GigabitEthernetCanCovertheDistance

Section10.GigabitEthernetIsBecomingEconomicallyFeasible
Chapter52.UpgradingfromBridgesandHubstoRoutersandSwitches
GrowingBeyondaSmallLAN

FromBridgestoRouters
FromBridgestoSwitches
Chapter53.AddingWirelessNetworkingtoaLAN
WhyGoWireless?
ChoosingLocationsforAccessPoints
SecurityIssues
PartXI:MigrationandIntegration
Chapter54.MigratingfromNetWaretoWindows2000orWindows2003
WindowsProtocolsandServices
Microsoft'sServicesforNetWareVersion5.0(SFN)
Chapter55.MigrationandIntegrationIssues:WindowsNT,Windows2000,
Windows2003,Unix,andLinux
WindowsServerSupportforUnixProtocolsandUtilities
ManagingtheFTPServiceonWindowsServer2003
Applications
MicrosoftWindowsServicesforUnix3.5
Samba
SunNetworkInformationSystem
Chapter56.MigratingfromWindowsNT4.0toWindows2000,Windows2003,
andWindowsXP
DoYouNeedtoUpgradetheOperatingSystemorApplications?
UpgradingtoWindows2000Server
ImplementingaMigrationtotheActiveDirectoryforWindows2000
UpgradingWindowsNT4.0orWindows2000toWindowsServer2003
Chapter57.MigrationandIntegration:NetWare,Unix,andLinux
WhyUseUnixorLinux?

KeyDifferencesBetweenUnix/LinuxandNetWare



MovingUserAccounts




NetworkingProtocols
Applications





FindingLinuxDriversforHardware
NovellOpenEnterpriseServer
Appendixes





AppendixA.OverviewoftheOSISeven-LayerNetworkingReferenceModel
It'sOnlyaModel!
AppendixB.NetworkingGlossary

AppendixC.InternetResourcesforNetworkAdministrators
StandardsOrganizations
NetworkHardwareandSoftwareManufacturers
WirelessNetworking

Security
AppendixD.TheLightweightDirectoryAccessProtocol
AQuickIntroductiontoLDAP
TheX.500ProtocolsandStandards
TheLightweightDirectoryAccessProtocol
LDAPDirectories
AppendixE.IntroductiontoSettingUpaSOHONetwork
AssessingYourRequirements:WhatDoYouNeed?
SOHONetworkTopologies
BackupSolutionsforaSOHONetwork
Index


Copyright
UpgradingandRepairingNetworks,FifthEdition
Copyright©2006byQuePublishing
Allrightsreserved.Nopartofthisbookshallbereproduced,
storedinaretrievalsystem,ortransmittedbyanymeans,
electronic,mechanical,photocopying,recording,orotherwise,
withoutwrittenpermissionfromthepublisher.Nopatent
liabilityisassumedwithrespecttotheuseoftheinformation
containedherein.Althougheveryprecautionhasbeentakenin
thepreparationofthisbook,thepublisherandauthorassume
noresponsibilityforerrorsoromissions.Norisanyliability

assumedfordamagesresultingfromtheuseoftheinformation
containedherein.
LibraryofCongressCatalogCardNumber:2006920308
PrintedintheUnitedStatesofAmerica
FirstPrinting:June2006
090807064321
AssociatePublisher
GregWiegand
ExecutiveEdito
RickKughen
AcquisitionsEditor
ToddGreen
DevelopmentEditor


ToddBrakke
ManagingEditor
CharlotteClapp
ProjectEditor
DanKnott
Indexer
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Proofreader
BradEngels
TechnicalEditorandSpecialContributor
RobertJ.Shimonski
TechnicalEditor
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PublishingCoordinator
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BookDesigner
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WarningandDisclaimer
Everyefforthasbeenmadetomakethisbookascompleteand
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Dedication
ToJimPeck,whoencouragedmetobecomeseriousabout
technologywriting.
MarkSoper





AbouttheAuthors
ScottMuellerispresidentofMuellerTechnicalResearch(MTR),
aninternationalresearchandcorporatetrainingfirm.Since
1982,MTRhasproducedtheindustry'smostin-depth,accurate,
andeffectiveseminars,books,articles,videos,andFAQs
coveringPChardwareanddatarecovery.MTRmaintainsaclient
listthatincludesFortune500companies,theU.S.andforeign
governments,majorsoftwareandhardwarecorporations,as
wellasPCenthusiastsandentrepreneurs.Hisseminarshave
beenpresentedtoseveralthousandsofPCsupport
professionalsthroughouttheworld.
Scottpersonallyteachesseminarsnationwidecoveringall
aspectsofPChardware(includingtroubleshooting,
maintenance,repair,andupgrade),A+Certification,anddata
recovery/forensics.Hehasaknackformakingtechnicaltopics
notonlyunderstandablebutentertainingaswell;hisclasses
areneverboring!Ifyouhave10ormorepeopletotrain,Scott

candesignandpresentacustomseminarforyourorganization.
Althoughhehastaughtclassesvirtuallynonstopsince1982,
Scottisbestknownastheauthorofthelongestrunning,most
popular,andmostcomprehensivePChardwarebookinthe
world,UpgradingandRepairingPCs,whichhasnotonlybeen
producedinmorethan17editionsbuthasalsobecomethe
coreofanentireseriesofbooks.
Scotthasauthoredmanybooksoverthelast20+years,
includingUpgradingandRepairingPCs,1stthrough17thand
Academiceditions;UpgradingandRepairingLaptops1stand
2ndeditions;UpgradingandRepairingServers;Upgradingand
RepairingWindows;UpgradingandRepairingPCs:A+
CertificationStudyGuide,1stand2ndeditions;Upgradingand
RepairingPCsTechnician'sPortableReference,1stand2nd
editions;UpgradingandRepairingPCsFieldGuide;Upgrading


andRepairingPCsQuickReference;UpgradingandRepairing
PCs,LinuxEdition;KillerPCUtilities;TheIBMPS/2Handbook;
andQue'sGuidetoDataRecovery.
ScotthasproducedseveralvideotrainingpackagescoveringPC
hardware,includingasix-hour,CD-basedseminartitled
UpgradingandRepairingPCsTrainingCourse:ADigitalSeminar
fromScottMueller.Scotthasalsoproducedothervideosover
theyears,includingUpgradingandRepairingPCsVideo:12th
Edition;YourPC:TheInsideStory;aswellastwohoursoffree
videotrainingthatwereincludedineachofthe10th,and12th
through17theditionsofUpgradingandRepairingPCs,aswell
asUpgradingandRepairingLaptops,UpgradingandRepairing
Windows,andUpgradingandRepairingServers.

ContactMTRdirectlyifyouhaveauniquebook,article,orvideo
projectinmind,orifyouwantScotttoconductacustomPC
troubleshooting,repair,maintenance,upgrade,ordata-recovery
seminartailoredforyourorganization:
MuellerTechnicalResearch
3700GrayhawkDrive
Algonquin,IL60102-6325
(847)854-6794
(847)854-6795Fax
Internet:
Web:

Scott'spremierework,UpgradingandRepairingPCs,hassold
wellover2millioncopies,makingitbyfarthemostpopular
andlongest-runningPChardwarebookonthemarkettoday.
ScotthasbeenfeaturedinForbesmagazineandhaswritten
severalarticlesforMaximumPCmagazine,severalnewsletters,
andtheUpgradingandRepairingPCswebsite.


Ifyouhavesuggestionsforthenextversionofthisbook,any
commentsaboutthebookingeneral,ornewbookorarticle
topicsyouwouldliketoseecovered,sendthemtoScottvia
emailatorvisit
www.upgradingandrepairingpcs.comandclicktheAskScott
button.
WhenheisnotworkingonPC-relatedbooksorontheroad
teachingseminars,Scottcanusuallybefoundinthegarage
workingonseveralvehicularprojects.
MarkEdwardSoperisa23-yearveteranofthetechnology

field,emphasizingtraining,technicalwriting,andeducation.He
isthepresidentofSelectSystems&Associates,Inc.,an
Evansville-basedfirmspecializingintechnicalwritingand
training.
Markistheauthororco-authorof15previousbooks.His
currentbooksincludeLeoLaporte'sGuidetoSafeComputing,
LeoLaporte'sPCHelpDesk,AbsoluteBeginner'sGuidetoHome
Automation,AbsoluteBeginner'sGuidetoHomeNetworking,
EasyDigitalCameras,AbsoluteBeginner'sGuidetoA+
Certification,andTechTV'sUpgradingYourPC,SecondEdition.
MarkisalsotheleadauthoroftheforthcomingUpgradingand
RepairingServers.Mark'sbookshavebeentranslatedinto
severallanguages,includingChinese,Russian,Czech,Urdu,
Spanish,Italian,andFrench.
Markhasalsocontributedcontenttomanyotherbookseries,
includingUpgradingandRepairingPCs(11thtocurrent17th
edition)andSpecialEditionUsingWindows(MeandXP).
Inadditiontoasuccessfulcareerasatechnologybookauthor,
Markisalsotheauthorofabout150articlesforcomputerand
technologymagazines,mostrecentlyforMaximumPC'sOctober
2005issue.Markhasalsocontributedchapterstotwo
MaximumPCbooks:MaximumPCGuidetoBuildingaDreamPC
andMaximumPCUltimatePerformanceGuide.


MarkalsoteachesadultenrichmentclassesatIvyTech
CommunityCollegeofIndiana,includingdigitalphotography,
imagescanningandarchiving,eBay,A+Certification,and
spyware/virusprotection.
MarkcurrentlyprovidesonlinetutorialsforSkywireSoftware,a

leadingsourceforcorporatetechnologyhelpdeskservices,and
hasalsoprovidedtechnologyscreeningquestionsfor
ReviewNet,aleadingsourcefortechnologyemployment
screeningservices.
Whenhe'snotworking,Markenjoysphotography,researching
thehistoryoftransportation,churchactivities,andhis
grandchildren.
TerryWilliamOgletreeisaconsultantcurrentlyworkingin
NewJersey.Hehasworkedwithnetworkedcomputersystems
since1980,startingoutonDigitalEquipmentPDPcomputers
andOpenVMS-basedVAXsystems.HehasworkedwithUnix
andTCP/IPsince1985andhasbeeninvolvedwithWindowsNT
andWindows2000sincetheyfirstappeared,aswellasthe
newestadditionstothefamily,WindowsXPandtheWindows
Server2003familyofservers.Besidesbeingtheleadauthorof
thethirdandfourtheditionsofthisbook,heistheauthorof
WindowsXPUnleashed1stEdition,PracticalFirewalls,andThe
CompleteIdiot'sGuidetoCreatingYourOwnCDs1stand2nd
Editions.Hehasalsocontributedchapterstomanyotherbooks
publishedbyQue,includingMicrosoftWindows2000Security
HandbookandSpecialEditionUsingUnix,ThirdEdition.Heis
alsotheauthorofFundamentalsofStorageAreaNetworking.
WhenbetweenjobsandnotwritingforQue,hecanoftenbe
foundonstreetcornersholdingasignthatreads"Willworkfor
hundredsofthousandsofdollars."


Acknowledgments
Thisbookisthe16thbookwithmynameonthecover,butIam
farfromaloneintheprocessofcreatingit.Aboveall,Iwantto

thankAlmightyGodfortheopportunitytolive,learn,andwrite
duringaperiodofamazingtechnologicalchanges.Allgloryto
Him.
IalsowanttothankmywifeCherylforputtingupwithanother
roundoflongdaysandnightsduringthecreationofthis
edition.Herencouragementandsupportmakemycareerasa
technologywriterpossible.Ialsowanttothankmyevergrowingfamilyforhelpingmerememberthatoneofthe
greatestbenefitsofnetworkingistheabilityto,attheclickofa
mouse,stayintouchwiththoseyoucareabout.
ManythankstoScottMueller,whoseUpgradingandRepairing
PCshasbeenmymost-referred-toreferencebooksinceitsfirst
edition,andtoTerryWilliamOgletree,whohashelpedbring
Scott'svisionofencyclopedicthoroughnessandaccuracyto
networktopicsinpreviouseditionsofthisbook.Iamhumbled
tohavetheopportunitytoworkwiththeseindividuals.
IalsowanttothankthestaffatQuePublishingforthe
continuedopportunitytowriteabouttechnologysubjects.In
particular:
GregWiegand,forbuildingaterrificteam.
ToddGreen,foraskingmetotakeonthisproject.
RickKughen,forhislong-timestewardshipoverthe
UpgradingandRepairingfamily.
ToddBrakke,forexperteditingandsuggestions.


DanKnott,formanagingtheprocess.
RobertShimonski,forhelpingtoassuretechnical
accuracy.
SharryGregory,forkeepingpaymentscomingand
handlingmyquestions.

Finally,I'dliketothankthegraphics,design,andproofreading
teammembers,forcontinuingtohelpproduceoutstanding
technologybooks.
MarkEdwardSoper




WeWanttoHearfromYou!
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andcommentator.Wevalueyouropinionandwanttoknow
whatwe'redoingright,whatwecoulddobetter,whatareas
you'dliketoseeuspublishin,andanyotherwordsofwisdom
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AsanassociatepublisherforQuePublishing,Iwelcomeyour
comments.Youcanemailorwritemedirectlytoletmeknow
whatyoudidordidn'tlikeaboutthisbookaswellaswhatwe
candotomakeourbooksbetter.
PleasenotethatIcannothelpyouwithtechnicalproblems
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Whenyouwrite,pleasebesuretoincludethisbook'stitleand
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Introduction
Understandinghownetworksworkandhowtomanagethemis
anessentialskillforvirtuallyeverycomputeruser,from
corporateITmanagerstosmalloffice/homeoffice
entrepreneurs.InthisfiftheditionofUpgradingandRepairing
Networks,ourgoalistoensurethatalltypesofnetworkusers
understandthechangesthathavetakenplaceincomputer
networkingsincethefourtheditionofthisbook.
Insomeways,networkinghasbecomeeasierinrecentyears.
Forexample,thedominanceofTCP/IPhasenabledthecreation
ofsingle-protocolnetworksateverylevel.Novellhas
completelyembracedTCP/IPasareplacementforIPX/SPX,and
MicrosoftnolongerprovidesNetBEUIforanyuseotherthan
networktroubleshooting.Theincorporationofwizardsforboth
wiredandwirelessnetworkingintoWindowsXP,startingwith

ServicePack2,makesclientconfigurationeasierthanever
before.
Althoughit'snolongernecessarytousemultiplenetwork
protocols,otheraspectsofnetworkingcontinuetooffer
challenges.Wirelessnetworkvendorsofferaconfusingvariety
ofproprietaryextensionstothe802.11gstandard;thebattle
betweenDSLandcablebroadbandisfarfromsettled;and
firewalltypesandproducts,nottomentionthethreatsthey
guardagainst,aremorenumerousthaneverbefore.Another
factorcomplicatingnetworkdesignistheincreasinguseof
Linuxserversaswellasclientsinpreviouslyall-Microsoft
networkenvironments.
UpgradingandRepairingNetworks,FifthEditionisdesignedto
helpyounavigatethroughthechangingworldofnetworkingto
reachthedestinationofapowerful,properlyoperatingnetwork,
regardlessofsize.