User manual SWEEX LW310V2

[. . . ] I · roadbandmodem:Fromhereon:modem. YourmodemisthedeviceyoualreadyhaveorthathasbeensuppliedtoyoubyyourISPthat B currentlyprovidesyourinternetconnection. ThetwomostcommonmodemtypesarecablemodemsandADSLmodems, butotherkindsof modemsalsoexist. · AN:LANstandsfor"LocalAreaNetwork", inthecaseofthisrouter, theLANconsistsofthefouryellowportsandthewirelessnetwork. Withthe L router, allyourcomputerswillformasingleLAN. · AN:WANstandsfor"WideAreaNetwork", inmostcasesthismeanstheInternet. W · irelesssecurity:Bydefault, therouter'swirelessnetworkisnotsecured. Thismeansthatanyoneinrange(includingyourneighbours)can W connecttothenetworkanduseyourinternetconnection. Wirelesssecurityprotectsyournetworksothatonlyauthoriseddevicescangainaccess. [. . . ] henfinished, clickthe"Apply"button. Ifyouwereconnectedwirelessly, youwillnowobservethatyourconnectionislost. Followthesteps W describedinthe"Connectingtoawirelessnetwork"sectionofthemanualtoregainthe(nowsecure)connection. Advanced features Inthischapterwewilldescribesomeoftheadvancedfeaturesintherouter. Thefollowingsectionsassumebasicknowledgeofcomputernetworking technologyandterminology. Static DHCP Bydefault, therouterdynamicallyassignsIPaddressestoallconnecteddevicesthroughtheDHCPprotocol. Thisisthemostuser-friendlymethod ofnetworkconfigurationbutitcanalsoleadtoIPaddressesthatchangeovertimeorwhenadevicereconnects. Incertaincasesthisisundesirable behaviour, forexamplewhenyouuseportforwardingitisnecessaryforthedevice'sIPaddresstoremainconstant. Onepossiblesolutionisto configureastaticIPaddressinthedeviceitselfbutthiscancauseproblemswhenyoualsousethedeviceonothernetworks. Anothersolutionisto instructtheroutertoalwaysassignthesameIPaddresstothedevice. ThisiscalledstaticDHCPorDHCPaddressreservation. TosetupstaticDHCPforadevice, logintotherouterasdescribedinthe"Advancedsetup"chapterandclick"DHCPServer"­"DHCPList& Binding"inthemenuontheleft. Youwillseethefollowingscreen: 17 ENglISH VErSIoN ToconfigureadeviceforastaticDHCPaddress, filloutthedesiredaddressandthedevice'scorrespondingMACaddressintheStaticIPsection, then clickthe"Add"buttonand"Apply". LookatthelisttoseetheIPandMACaddressesofallautomaticallyconfigureddevicescurrentlyactiveonyour network. Note:DonotassignstaticDHCPaddressesintherange192. 168. 31. 100to192. 168. 31. 200!Thisrangeisalreadyusedfordynamicallyassigned addresses. Theaddresses192. 168. 31. 1(therouteritself)and192. 168. 31. 255(broadcastaddress)mayalsonotbeused. Port forwarding (virtual server) and DMZ setup Forcertainapplications, devicesandservers, itmaybenecessarysosetupportforwardingforthemtooperateproperlybehindtherouter'sfirewall. Thisisbecausebydefault, thefirewallblocksallincomingconnectionsandallowsonlyoutgoingconnections. Fortechnicalreasonsthebuilt-in firewallisinherenttotheroutingfunctionandcannotbedisabledcompletely. PortforwardinginstructstheroutertoacceptanincomingconnectiononacertainportandforwardittotheIPaddressofadeviceinyourlocal network. PleasenotethatuseofthetermportinthischapterreferstoTCPorUDPportsandisnotrelatedtothephysicalWANandLANportsatthe backoftherouter. DMZisaspecialcaseofportforwardingwheretherouterisinstructedtoforwardallincomingconnectionstothespecifiedaddress. Tosetupportforwarding, logintotherouterasdescribedinthe"Advancedsetup"chapterandclick"VirtualServer"­"PortRangeForwarding"in themenuontheleft. Youwillseethefollowingscreen: Toforwardasingleport, enterthedesiredportnumbertwiceinthefirstemptyrule, entertheIPaddressthattheportshouldbeforwardedtoand selectthedesiredprotocol, checkthe"Enable"checkboxandclickthe"Apply"button. Toforwardmultipleadjacentportsatonce, justenterthefirst portinthe"StartPort"fieldandthelastportinthe"EndPortfield". ForaDMZ, click"DMZ"inthemenuontheleft, entertheIPaddressofthedevice, checkthe"Enable"checkboxandclickthe"Apply"button. 18 ENglISH VErSIoN Traffic Control Trafficcontrolisalsoknownas"bandwidthmanagement". Itallowsyoutoartificiallyrestrictbandwidthforoneormoredevicesonyournetwork. Thiscanbeusefulwhen, forexample, youneedtoreservebandwidthforaVOIPphoneoryouwanttorestrictthebandwidthavailabletopeer-topeerapplications. TosetupTrafficControl, logintotherouterasdescribedinthe"Advancedsetup"chapter, click"TrafficControl"inthemenuontheleftandcheckthe "Enable"checkbox. Youwillseethefollowingscreen: FirstentertheWANuploadbandwidthanddownloadbandwidthinkbps. Asarule, takethespeedsadvertisedbyyourISPandlowerthemby10% oruseaspeedtestingwebsitetomeasureyourbandwidth, andlowertheoutcomeby5%. Nextyoucanstartcreatingrules. Enterthedesired port(s)andprotocol(s)thattheruleshouldapplytoorselectapredefinedservuce, andsettheIPaddressofyourdeviceoranIPrangeformultiple devicesandsetthedesiredguaranteedandmaximumbandwidth. Nextclickthe"Apply"checkboxandclickthe"Add"buttontoaddtherule. When doneaddingrules, clickthe"Apply"button. Note:Whenapplyingtrafficcontrolrulestoacertaindevice, itisadvisabletogiveitastaticDHCPIPaddressfirst. Otherwisethedevicemaychange IPaddressandtherulewillnolongerapply, orapplytoadifferentcomputerinstead. Client filtering Clientfilteringallowsyoutoselectivelydisableinternetaccessfordevices, basedonatimeschedule. 19 ENglISH VErSIoN TosetuptheClientFilter, logintotherouterasdescribedinthe"Advancedsetup"chapterand, "SecuritySettings"inthemenuontheleftand checkthe"Enable"checkbox. Youwillseethefollowingscreen: Intheaboveexample, allaccesstotheinternetisblockedfrom22:00onwards, until07:00inthemorning. Thereisamaximumof10access policies. Note:WhenapplyingaClientfilteringpolicytoacertaindevice, itisadvisabletogiveitastaticDHCPIPaddressfirst. Otherwisethedevicemay changeIPaddressandthepolicywillnolongerapply, orapplytoadifferentcomputerinstead. Troubleshooting Thischapterofthemanualwillexplainanumberofcommonissuesthatyoumayrunintoandpossiblesolutions. · heCDWizardcannotconnecttotherouterandIcannotaccesstherouterathttp://192. 168. 31. 1/. · hisissuemayarisefromincorrectIPsettingsonyourcomputer. Youcancheckandadjustyoursettingsasfollows: T Windows XP 1. lickthestartbuttonatthebottomrightofyourscreenandclick"ControlPanel" C 20 ENglISH VErSIoN 2. nthecontrolpanel, click"NetworkandInternetConnectionsandopenthe"NetworkConnections"icon. IfyourcontrolpanelisinClassicView, I youmayopenthe"NetworkConnections"iconstraightaway. 3. ightclickthefirstconnectedLANorHigh-SpeedInternetConnection, inthisexamplethe"LocalAreaConnection", andclick"Properties"from R thecontextmenu. Ifyouhavemultipleconnectedconnections, repeatsteps3to6foreachconnection. 4. heconnection'spropertywindowappears. Inthiswindows, selectthe"InternetProtocol"fromthelistofitemsandclickthe"Properties"Button: T 21 ENglISH VErSIoN 5. heInternetProtocol'spropertywindowappears. Inthiswindow, ensurethatbothsettingsaresetto"Obtainautomatically": T 6. [. . . ] ccesstherouterfromacomputerthatisconnectedbynetworkcableasdescribedinthe"Advancedsetup"sectionofthismanual. Click A "WirelessNetwork"­"SecuritySettings", youcanviewthekeythere. 2. Resettheroutertoitsfactorydefaultsettings, whichisanunsecurednetwork. Theresetprocedureisdescribedfurtheron. · cannotfindanywirelessnetworks I · hisproblemusuallyhappensonnotebooks, mostnotebookshaveaswitchorkeyboardcombinationtodisable/enableitsWirelessnetworking T module. Consultthemanualofyournotebookforenablingthewirelessmodule. 29 ENglISH VErSIoN · canfindothernetworks, butIdon'tseetheSweexLW310V2network I · herearetwopossiblesolutionsforthisissue: T 1. Youareoutofrangeoftherouter. Pleasetrytoconnectinthesameroomthattherouterisin. 2. Therouteristransmittingonachannelthatyoucannotreceive. Thismaysometimesoccurwhentherouteristransmittingonchannels12or 13, whichnotalldevicescanreceive. Tochangethechannel, seechapterxx"WirelessNetworkConfiguration". [. . . ]