ZyXEL Communications 3G Wireless Router NBG410W3G User manual

www.zyxel.com
NBG410W3GSeries
3GWirelessRouter
User sGuide
Version 4.03
08/2008
Edition1

AboutThisUser'sGuide
NBG410W3GSeriesUser sGuide 3
AboutThisUser'sGuide
IntendedAudience
Thismanualisintendedfor people who wanttoconfiguretheZyXELDeviceusingtheweb
configurator.You shouldhaveatleastabasicknowledgeof TCP/IPnetworking conceptsand
topology.
Related Documentation
QuickStartGuide
TheQuickStartGuideisdesignedtohelpyou getupandrunning rightaway.Itcontains
information on setting up your network andconfiguring for Internetaccess.
WebConfigurator OnlineHelp
Embeddedwebhelpfor descriptionsof individualscreensand supplementary
information.
Supporting Disk
RefertotheincludedCDfor supportdocuments.
ZyXELWebSite
Pleasereferto www.zyxel.com for additionalsupportdocumentation and product
certifications.
UserGuideFeedback
Helpushelpyou.Send allUserGuide-relatedcomments,questionsor suggestionsfor
improvementtothefollowing address,or usee-mail instead.Thank you!
TheTechnical Writing Team,
ZyXELCommunicationsCorp.,
6Innovation RoadII,
Science-BasedIndustrialPark,
Hsinchu,300,Taiwan.
E-mail: [e-mail]

DocumentConventions
NBG410W3GSeriesUser sGuide
4
DocumentConventions
Warningsand Notes
Thesearehowwarningsand notesareshowninthisUser!sGuide.
Warningstell youabout thingsthatcouldharm you oryourdevice.
Notestell youotherimportantinformation(forexample, otherthingsyou may
need toconfigureorhelpfultips)orrecommendations.
Syntax Conventions
TheNBG410W3Gand NBG412W3Gmaybereferredtoasthe "ZyXELDevice#,the
"device#,the "system#,or the "NBG410W3GSeries#inthisUser!sGuide.
Productlabels,screennames,fieldlabelsand fieldchoicesareallin bold font.
Akeystrokeisdenotedbysquarebracketsand uppercasetext, for example,[ENTER]
meansthe "enter#or "return#keyon your keyboard.
"Enter#meansforyou totypeoneormore charactersandthenpressthe[ENTER]key.
"Select#or "choose#meansfor you touseoneof thepredefinedchoices.
Arightanglebracket(>)withinascreen namedenotesamouseclick.For example,
Maintenance>Log >Log Setting meansyou firstclick Maintenance inthenavigation
panel,thenthe Log sub menu and finallythe Log Setting tabtoget tothatscreen.
Unitsof measurementmaydenotethe "metric#valueor the "scientific#value.For
example, "k#for kilomaydenote "1000#or "1024#, "M#for megamaydenote "1000000#
or "1048576#and soon.
"e.g.,#isashorthand for "forinstance#,and "i.e.,#means "thatis#or "inotherwords#.

DocumentConventions
NBG410W3GSeriesUser sGuide 5
IconsUsedin Figures
FiguresinthisUser!sGuidemayusethefollowing genericicons.TheZyXELDeviceicon is
notanexactrepresentation of your device.
ZyXELDevice Computer Notebookcomputer
Server DSLAM Firewall
Telephone Switch Router

SafetyWarnings
NBG410W3GSeriesUser sGuide
6
SafetyWarnings
Foryoursafety,be suretoread andfollowall warningnoticesandinstructions.
DoNOTusethisproduct nearwater,for example,inawet basementornearaswimming
pool.
DoNOTexposeyour devicetodampness, dustor corrosiveliquids.
DoNOTstorethingsonthedevice.
DoNOTinstall,use,orservicethisdeviceduringathunderstorm.Thereisaremoterisk
of electric shockfromlightning.
ConnectONLYsuitableaccessoriestothedevice.
DoNOTopenthedevice or unit.Opening or removingcoverscanexposeyou to
dangeroushigh voltagepointsor otherrisks.ONLYqualifiedservicepersonnel should
serviceor disassemblethisdevice.Pleasecontactyour vendor for furtherinformation.
Makesuretoconnectthecablestothecorrectports.
Placeconnecting cablescarefullysothat no one willstepon themor stumbleoverthem.
Alwaysdisconnectallcablesfromthis devicebeforeservicingor disassembling.
UseONLYanappropriatepoweradaptor or cord for your device.
Connectthepoweradaptor or cord totherightsupplyvoltage(for example,110VACin
NorthAmericaor 230VACinEurope).
DoNOTremovetheplug and connect it toapoweroutletby itself;alwaysattachtheplug
tothepoweradaptor firstbeforeconnecting ittoapoweroutlet.
DoNOTallowanything toreston thepoweradaptor or cord and do NOTplacethe
product whereanyonecanwalkon thepoweradaptor or cord.
DoNOTusethedeviceifthepoweradaptoror cord isdamagedasitmightcause
electrocution.
If thepoweradaptor orcord isdamaged, removeitfromthepoweroutlet.
DoNOTattempttorepairthepoweradaptor or cord.Contactyour localvendortoordera
newone.
Donotusethedeviceoutside, and makesure alltheconnectionsareindoors.Thereisa
remoteriskof electric shockfromlightning.
DoNOTobstructthedeviceventilation slots, asinsufficientairflowmayharmyour
device.
AntennaWarning! Thisdevice meetsETSI andFCC certification requirementswhen
using theincludedantenna(s).Onlyusetheincludedantenna(s).
If you wallmountyour device,makesurethatno electricallines, gasor waterpipeswill
bedamaged.
Thisproductisrecyclable.Disposeof it properly.

SafetyWarnings
NBG410W3GSeriesUser sGuide 7

SafetyWarnings
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ContentsOverview
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ContentsOverview
Introduction............................................................................................................................33
Getting toKnowYourZyXELDevice.........................................................................................35
Introducing the Web Configurator..............................................................................................43
WizardSetup .............................................................................................................................59
Tutorials.....................................................................................................................................65
Network ...................................................................................................................................99
LANScreens...........................................................................................................................101
WANScreens...........................................................................................................................111
DMZScreens...........................................................................................................................135
Wireless................................................................................................................................145
Wi-Fi........................................................................................................................................147
Security.................................................................................................................................165
Firewall ....................................................................................................................................167
Authentication Server..............................................................................................................191
Certificates...............................................................................................................................195
Advanced..............................................................................................................................223
NetworkAddressTranslation (NAT)........................................................................................225
StaticRoute.............................................................................................................................243
DNS.........................................................................................................................................247
RemoteManagement..............................................................................................................259
UPnP.......................................................................................................................................281
CustomApplication ..................................................................................................................291
ALGScreen .............................................................................................................................293
Logsand Maintenance........................................................................................................299
LogsScreens...........................................................................................................................301
Maintenance............................................................................................................................325
Troubleshootingand Specifications..................................................................................337
Troubleshooting.......................................................................................................................339
ProductSpecifications.............................................................................................................345
Appendices and Index.........................................................................................................351

ContentsOverview
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TableofContents
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TableofContents
AboutThisUser'sGuide..........................................................................................................3
DocumentConventions............................................................................................................4
SafetyWarnings........................................................................................................................6
ContentsOverview...................................................................................................................9
TableofContents....................................................................................................................11
ListofFigures.........................................................................................................................21
ListofTables...........................................................................................................................29
Part I:Introduction.................................................................................33
Chapter 1
Getting toKnow YourZyXELDevice....................................................................................35
1.1Overview..............................................................................................................................35
1.2ApplicationsfortheZyXELDevice......................................................................................35
1.2.13G WANApplication ...................................................................................................35
1.2.2SecureBroadband InternetAccessviaCableorDSLModem..................................36
1.3Ways toManage theZyXELDevice....................................................................................36
1.4Configuring YourZyXELDevice sSecurity Features..........................................................37
1.4.1ControlAccess toYourDevice...................................................................................37
1.4.2Wireless Security.......................................................................................................37
1.4.3Firewall ......................................................................................................................37
1.4.4NAT............................................................................................................................38
1.4.5UPnP..........................................................................................................................38
1.5Maintaining YourZyXELDevice..........................................................................................38
1.5.1Front PanelLights......................................................................................................39
Chapter 2
IntroducingtheWebConfigurator........................................................................................43
2.1Web ConfiguratorOverview.................................................................................................43
2.2Accessing theZyXELDeviceWeb Configurator.................................................................43
2.3Resetting theZyXELDevice................................................................................................45
2.3.1ProcedureToUseThe Reset Button .........................................................................45
2.3.2UploadingaConfigurationFileViaConsolePort.......................................................45

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2.4Navigating theZyXELDeviceWeb Configurator.................................................................46
2.4.1TitleBar......................................................................................................................46
2.4.2MainWindow..............................................................................................................47
2.4.3HOMEScreen ...........................................................................................................47
2.4.4NavigationPanel........................................................................................................52
2.4.5PortStatistics ...........................................................................................................54
2.4.6ShowStatistics:Line Chart........................................................................................55
2.4.7DHCPTableScreen ................................................................................................56
Chapter 3
WizardSetup...........................................................................................................................59
3.1WizardSetup Overview......................................................................................................59
3.2Internet Access ...................................................................................................................59
3.2.1ISP Parameters..........................................................................................................59
3.2.2InternetAccessWizardSetup Complete...................................................................64
Chapter 4
Tutorials...................................................................................................................................65
4.1DMZOverview.....................................................................................................................65
4.2DMZSetup Example...........................................................................................................66
4.2.1BasicSetup ................................................................................................................66
4.2.2Advanced Setup .........................................................................................................68
4.3FirewallRuleSetup .............................................................................................................69
4.4Setting UpaVoIPPhone withH.323 ...................................................................................72
4.5Using NATwithMultiplePublicIPAddresses......................................................................77
4.5.1ExampleParametersand Scenario...........................................................................77
4.5.2Configuring the WANConnectionwithaStaticIPAddress........................................78
4.5.3PublicIPAddress Mapping ........................................................................................82
4.5.4Forwarding Trafficfromthe WANtoaLocalComputer..............................................87
4.5.5AllowWAN-to-LANTrafficthrough the Firewall..........................................................89
4.5.6Testingthe Connections.............................................................................................96
4.6Using NATwithMultipleGamePlayers...............................................................................96
Part II:Network.......................................................................................99
Chapter 5
LAN Screens..........................................................................................................................101
5.1LAN,WANand the ZyXELDevice.....................................................................................101
5.2IPAddress and SubnetMask ............................................................................................101
5.2.1PrivateIPAddresses................................................................................................102
5.3DHCP................................................................................................................................102

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5.3.1IPPoolSetup ...........................................................................................................103
5.4RIPSetup ..........................................................................................................................103
5.5Multicast............................................................................................................................103
5.6WINS.................................................................................................................................104
5.7LAN....................................................................................................................................104
5.8LANStaticDHCP...............................................................................................................106
5.9LANIPAlias....................................................................................................................107
5.10 LANPortRoles................................................................................................................109
Chapter 6
WANScreens.........................................................................................................................111
6.1WANOverview...................................................................................................................111
6.2MultipleWAN......................................................................................................................111
6.3TCP/IPPriority(Metric).......................................................................................................112
6.4WANGeneral......................................................................................................................112
6.5WANIPAddress Assignment.............................................................................................115
6.6DNSServerAddress Assignment......................................................................................116
6.7WANMACAddress............................................................................................................116
6.8WAN1...............................................................................................................................117
6.8.1WANEthernetEncapsulation ....................................................................................117
6.8.2PPPoEEncapsulation ..............................................................................................120
6.8.3PPTPEncapsulation ................................................................................................123
6.93G(WAN2)......................................................................................................................126
6.10 TrafficRedirect...............................................................................................................132
6.11Configuring TrafficRedirect.............................................................................................133
Chapter 7
DMZScreens.........................................................................................................................135
7.1DMZ..................................................................................................................................135
7.2ConfiguringDMZ...............................................................................................................135
7.3DMZStaticDHCP............................................................................................................138
7.4DMZIPAlias....................................................................................................................139
7.5DMZPublicIPAddress Example......................................................................................141
7.6DMZPrivateand PublicIPAddress Example...................................................................141
7.7DMZPort Roles...............................................................................................................142
Part III:Wireless...................................................................................145
Chapter 8
Wi-Fi.......................................................................................................................................147
8.1Wi-FiIntroduction ..............................................................................................................147

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8.2Wireless SecurityOverview...............................................................................................148
8.2.1SSID.........................................................................................................................148
8.2.2MACAddress Filter..................................................................................................148
8.2.3UserAuthentication ..................................................................................................149
8.2.4Encryption ................................................................................................................149
8.2.5AdditionalInstallation RequirementsforUsing 802.1x.............................................151
8.3Wireless Card...................................................................................................................151
8.3.1SSIDProfile.............................................................................................................153
8.4Configuring Wireless Security...........................................................................................154
8.4.1NoSecurity...............................................................................................................156
8.4.2StaticWEP...............................................................................................................156
8.4.3IEEE802.1xOnly.....................................................................................................157
8.4.4IEEE802.1x+StaticWEP.......................................................................................158
8.4.5WPA,WPA2,WPA2-MIX..........................................................................................160
8.4.6WPA-PSK,WPA2-PSK,WPA2-PSK-MIX.................................................................161
8.5MACFilter.........................................................................................................................162
Part IV:Security...................................................................................165
Chapter 9
Firewall...................................................................................................................................167
9.1FirewallOverview.............................................................................................................167
9.2PacketDirection Matrix......................................................................................................168
9.3PacketDirection Examples................................................................................................169
9.4SecurityConsiderations.....................................................................................................170
9.5FirewallRulesExample.....................................................................................................171
9.6AsymmetricalRoutes.........................................................................................................173
9.6.1AsymmetricalRoutesand IPAlias...........................................................................173
9.7FirewallDefault Rule.........................................................................................................173
9.8FirewallRuleSummary....................................................................................................175
9.8.1FirewallEditRule.................................................................................................177
9.9Anti-Probing ....................................................................................................................180
9.10 FirewallThresholds......................................................................................................181
9.10.1ThresholdValues...................................................................................................182
9.11ThresholdScreen .............................................................................................................182
9.12 Service............................................................................................................................184
9.12.1FirewallEditCustomService................................................................................185
9.13 MyServiceFirewallRuleExample..................................................................................186
Chapter 10
AuthenticationServer...........................................................................................................191

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10.1AuthenticationServerOverview......................................................................................191
10.2LocalUserDatabase.....................................................................................................191
10.3RADIUS.........................................................................................................................193
Chapter 11
Certificates............................................................................................................................195
11.1CertificatesOverview.......................................................................................................195
11.1.1AdvantagesofCertificates.....................................................................................196
11.2Self-signed Certificates....................................................................................................196
11.3Verifying aCertificate.......................................................................................................196
11.3.1Checking the Fingerprintof aCertificateon YourComputer..................................196
11.4Configuration Summary...................................................................................................197
11.5MyCertificates................................................................................................................198
11.6MyCertificateDetails.....................................................................................................200
11.7MyCertificateExport.......................................................................................................202
11.7.1CertificateFileExportFormats...............................................................................202
11.8MyCertificateImport ......................................................................................................203
11.8.1CertificateFileFormats..........................................................................................203
11.9MyCertificateCreate.....................................................................................................205
11.10 Trusted CAs.................................................................................................................209
11.11Trusted CADetails.........................................................................................................211
11.12 Trusted CAImport........................................................................................................214
11.13 TrustedRemoteHosts.................................................................................................215
11.14 TrustedRemoteHostsImport ......................................................................................217
11.15 TrustedRemoteHost CertificateDetails......................................................................218
11.16 DirectoryServers..........................................................................................................220
11.17 DirectoryServerAddorEdit ........................................................................................221
Part V:Advanced.................................................................................223
Chapter 12
Network Address Translation(NAT)....................................................................................225
12.1NATOverview................................................................................................................225
12.1.1NATDefinitions......................................................................................................225
12.1.2WhatNATDoes.....................................................................................................226
12.1.3HowNATWorks .....................................................................................................226
12.1.4NATApplication......................................................................................................227
12.1.5PortRestricted Cone NAT......................................................................................228
12.1.6NATMappingTypes...............................................................................................229
12.2Using NAT........................................................................................................................230
12.2.1SUA(SingleUserAccount)VersusNAT................................................................230

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12.3NATOverviewScreen .....................................................................................................230
12.4NATAddress Mapping ...................................................................................................232
12.4.1WhatNATDoes.....................................................................................................232
12.4.2NATAddress MappingEdit...................................................................................234
12.5PortForwarding ..............................................................................................................235
12.5.1DefaultServerIPAddress ......................................................................................235
12.5.2Port Forwarding:Servicesand PortNumbers........................................................236
12.5.3Configuring ServersBehind PortForwarding (Example).......................................236
12.5.4NATand MultipleWAN...........................................................................................237
12.5.5PortTranslation......................................................................................................237
12.6PortForwarding Screen...................................................................................................238
12.7PortTriggering ...............................................................................................................240
Chapter 13
StaticRoute...........................................................................................................................243
13.1IPStaticRoute..............................................................................................................243
13.2IPStaticRoute.................................................................................................................244
13.2.1IPStaticRouteEdit..............................................................................................245
Chapter 14
DNS........................................................................................................................................247
14.1DNSOverview................................................................................................................247
14.2DNSServerAddress Assignment...................................................................................247
14.3DNSServers....................................................................................................................247
14.4Address Record...............................................................................................................248
14.4.1DNSWildcard.........................................................................................................248
14.5NameServerRecord.......................................................................................................248
14.5.1PrivateDNSServer................................................................................................248
14.6SystemScreen ................................................................................................................248
14.6.1Addingan Address Record..................................................................................250
14.6.2Inserting aNameServerRecord..........................................................................251
14.7DNSCache ....................................................................................................................252
14.8ConfigureDNSCache.....................................................................................................252
14.9Configuring DNSDHCP.................................................................................................254
14.10 DynamicDNS..............................................................................................................255
14.10.1DYNDNSWildcard...............................................................................................255
14.10.2High Availability....................................................................................................256
14.11Configuring DynamicDNS.............................................................................................256
Chapter 15
RemoteManagement............................................................................................................259
15.1RemoteManagementOverview......................................................................................259
15.1.1RemoteManagementLimitations..........................................................................260

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15.1.2SystemTimeout.....................................................................................................260
15.2WWW (HTTPand HTTPS).............................................................................................260
15.3WWW ..............................................................................................................................261
15.4HTTPSExample..............................................................................................................263
15.4.1InternetExplorerWarning Messages.....................................................................263
15.4.2NetscapeNavigatorWarningMessages................................................................263
15.4.3Avoiding the BrowserWarning Messages..............................................................264
15.4.4LoginScreen ..........................................................................................................265
15.5SSH...............................................................................................................................267
15.6HowSSHWorks..............................................................................................................267
15.7SSHImplementation on the ZyXELDevice.....................................................................268
15.7.1RequirementsforUsing SSH.................................................................................268
15.8Configuring SSH..............................................................................................................269
15.9SecureTelnet Using SSHExamples...............................................................................270
15.9.1Example1:MicrosoftWindows..............................................................................270
15.9.2Example2: Linux....................................................................................................270
15.10 SecureFTPUsing SSHExample..................................................................................271
15.11Telnet............................................................................................................................272
15.12 Configuring TELNET.....................................................................................................272
15.13 FTP..............................................................................................................................273
15.14 SNMP..........................................................................................................................274
15.14.1SupportedMIBs..................................................................................................275
15.14.2SNMPTraps.........................................................................................................276
15.14.3REMOTEMANAGEMENT:SNMP.......................................................................276
15.15 DNS.............................................................................................................................277
15.16 Introducing Vantage CNM.............................................................................................278
15.17 Configuring CNM...........................................................................................................278
15.17.1AdditionalConfiguration forVantage CNM..........................................................280
Chapter 16
UPnP......................................................................................................................................281
16.1UniversalPlug and PlayOverview.................................................................................281
16.1.1HowDoIKnowIfI'mUsing UPnP?.......................................................................281
16.1.2NATTraversal........................................................................................................281
16.1.3CautionswithUPnP...............................................................................................281
16.1.4UPnPand ZyXEL...................................................................................................282
16.2Configuring UPnP............................................................................................................282
16.3Displaying UPnPPortMapping ....................................................................................283
16.4Installing UPnPinWindowsExample..............................................................................284
16.4.1Installing UPnPinWindowsMe.............................................................................285
16.4.2Installing UPnPinWindowsXP.............................................................................286
16.5Using UPnPinWindowsXP Example.............................................................................286
16.5.1Auto-discoverYourUPnP-enabled NetworkDevice..............................................287

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16.5.2Web ConfiguratorEasy Access .............................................................................288
Chapter 17
CustomApplication..............................................................................................................291
17.1CustomApplication .........................................................................................................291
17.2CustomApplication Configuration ...................................................................................291
Chapter 18
ALGScreen...........................................................................................................................293
18.1ALGIntroduction.............................................................................................................293
18.1.1ALGandNAT.........................................................................................................293
18.1.2ALGand the Firewall..............................................................................................293
18.1.3ALG and MultipleWAN..........................................................................................294
18.2FTP..................................................................................................................................294
18.3H.323...............................................................................................................................294
18.4RTP..................................................................................................................................294
18.4.1H.323 ALG Details.................................................................................................294
18.5SIP...................................................................................................................................295
18.5.1STUN.....................................................................................................................295
18.5.2SIPALG Details.....................................................................................................296
18.5.3SIPSignaling Session Timeout..............................................................................296
18.5.4SIPAudioSession Timeout....................................................................................296
18.6ALGScreen .....................................................................................................................296
Part VI:LogsandMaintenance...........................................................299
Chapter 19
LogsScreens........................................................................................................................301
19.1Configuring ViewLog ......................................................................................................301
19.2LogDescription Example.................................................................................................302
19.2.1Aboutthe CertificateNot Trusted Log ....................................................................303
19.3Configuring Log Settings................................................................................................304
19.4Configuring Reports........................................................................................................307
19.4.1Viewing WebSiteHits............................................................................................309
19.4.2ViewingHostIPAddress ........................................................................................309
19.4.3ViewingProtocol/Port.............................................................................................310
19.4.4SystemReportsSpecifications...............................................................................312
19.5Log Descriptions..............................................................................................................312
19.6Syslog Logs.....................................................................................................................323
Chapter 20
Maintenance..........................................................................................................................325

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20.1MaintenanceOverview....................................................................................................325
20.2GeneralSetup and SystemName...................................................................................325
20.2.1GeneralSetup .......................................................................................................325
20.3Configuring Password....................................................................................................326
20.4Timeand Date................................................................................................................327
20.5Pre-defined NTPTimeServerPools...............................................................................330
20.5.1Resettingthe Time.................................................................................................330
20.5.2TimeServerSynchronization .................................................................................330
20.6F/WUploadScreen ........................................................................................................331
20.7Backup and Restore.......................................................................................................333
20.7.1Backup Configuration .............................................................................................334
20.7.2RestoreConfiguration ............................................................................................334
20.7.3Back toFactoryDefaults........................................................................................335
20.8RestartScreen ................................................................................................................336
Part VII:Troubleshooting andSpecifications...................................337
Chapter 21
Troubleshooting....................................................................................................................339
21.1Power,HardwareConnections,and LEDs......................................................................339
21.2ZyXELDeviceAccess and Login....................................................................................340
21.3Internet Access ................................................................................................................342
21.43G Connection .................................................................................................................343
Chapter 22
ProductSpecifications.........................................................................................................345
22.1GeneralZyXELDeviceSpecifications.............................................................................345
22.2Wall-mounting Instructions..............................................................................................347
22.3PowerAdaptorSpecifications..........................................................................................349
Part VIII:Appendicesand Index.........................................................351
AppendixAPop-upWindows,JavaScriptsand JavaPermissions......................................353
AppendixBSettingup YourComputer sIPAddress............................................................361
AppendixCIPAddressesand Subnetting...........................................................................377
AppendixDCommonServices............................................................................................385
AppendixEWireless LANs..................................................................................................389

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AppendixFImportingCertificates........................................................................................403
AppendixGLegalInformation..............................................................................................415
AppendixHCustomerSupport.............................................................................................419
Index.......................................................................................................................................425