a evoluçãodo pacotewireless...lorenzo busatti • fundadorda grifonlines.r.l. [isp] (1997) •...
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Aevolução dopacote wireless
(6.40-6.41)por LorenzoBusatti
apresentado em português por Guilherme Ramires
1MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy
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LorenzoBusatti• Fundador daGrifonline S.r.l.[ISP]
(1997)
• Fundador daLinkwave [WISP](2006)
• MikroTik Trainer(2010)
• Membro daRIPE,AMS-IX,MIX-IT
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 2
Sobre mim
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LorenzoBusatti
• FounderofGrifonline S.r.l.[ISP](1997)
• FounderofLinkwave [WISP](2006)
• MikroTik Trainer(2010)
• MemberofRIPE,AMS-IX,MIX-IT
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 3
Aboutme
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MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 4
Sobre mim
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I'maMikroTik enthusiast
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 5
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Eu sou umentusiasta doMikroTik
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 6
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Eu sou umentusiasta doMikroTik
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 7
Eu sou umevangelistaMikroTikiano
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MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 8
Sobre mim• Fundador da(2016)
UmaONGparaTrainingPartnersdealta qualidade
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Dedicado ao Max
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 9
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O“novo”pacote wireless
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 10
Onovopacote Wireless(desde avers 6.37),implementa os seguintes novos recursos:
§ TheDFS“settings”§ Backgroundscan§ WirelessScanfeatures§ StationRoaming§ Repeaterfunction§ NewVirtualWirelessInterfaces§ Futurefeatures?
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O“novo”pacote wireless
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 11
Caso vocêtenhainteressenestetemavocêpodeassistirminhaapresentaçãodoMUMemMilão2017:
PDF: https://goo.gl/2TFtf8Youtube: https://youtu.be/1MsbivitzEw
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Aevolução dopacote wireless
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 12
Os novos recursos dopacotewirelessdaMikroTik:• nv2-downlink-ratio• recurso desincronização deAPsNv2• emuito mais..
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nv2-downlink-ratio
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 13
• NovorecursodisponíveldesdeoRouterOS6.40• Vaipermitirvocêajustaraproporçãodedownload/uploaddoAPparaasstations.• Podeserconfiguradodeduasformas:–Dynamic-downlink–Fixed-downlink
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nv2-downlink-ratio
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 14
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nv2-downlink-ratio
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 15
• Esterecursovaipermitirvocêreservar“maistempo”deusodawirelessparaodownloaddasstations• Consequentementevocêvaiprovermaisbandwidthprosclientes
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nv2-downlink-ratio
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 16
•Ovalorpadrãoé50•Ovalormínimoé20•Omáximoé80
• Obs.:Estesvaloressãopercentual
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nv2-uplink-ratio
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 17
•AproporçãodoUplinkécalculadoautomaticamentecombasenodownlink-ratioespecificado.
Porexemplopara:•Umdownlink-ratio=70->Uplink=30•Umdownlink-ratio=60->Uplink=40
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nv2-mode=fixed-downlink
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 18
• Estenovorecursovaipermitrvocêagendarestaticamente“maistempo”paraodownloaddasstations.• Sevocêsetarovalorde70oAPvaireservar:–70%dotempodedownloadparaosclientes–30%dotempodeuploadparaclientes
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nv2-mode=fixed-downlink
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nv2-mode=dynamic-downlink
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 20
• EsterecursopermitequeoAPdefinadinamicamenteotimeslotdasestações.• PORÉM:quandoolinkficacompletamentesaturadoelevaiusarovalorespecificadoporvocêemNv2-downlink-ratio(odefaulté50)
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nv2-mode=dynamic-downlink
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Exemplorealdebandwidth
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 22
Entregarbombandwidthaumaestaçãoésimples,porémparamaisestaçõesnãoé,porque:• Estaçõesestãoposicionadasemdistânciasdiferentes• Existemdiferentesdataratesdefinidos• Interferência• Tempo“perdido”paragerenciarostimeslotsparaasstations
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Exemplorealdebandwidth
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 23
Fizemosalgunstestescomdiferentescenáriosesetups,parademonstrarcomopodemosgerenciarosparamentrosealcançarmaisbandwidth,especialmenteemcenáriosPtMP.
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Lab1:dynamic-downlink50
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 24
1concurrentstation2HTchainsNprotocolCe
TotalbandwidthfromtheAP:127Mbps
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Lab2:dynamic-downlink50
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 25
9concurrentstations2HTchainsNprotocolCe
TotalbandwidthfromtheAP:80Mbps
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Lab3:fixed-downlink70
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 26
9concurrentstations2HTchainsNprotocolCe
TotalbandwidthfromtheAP:106Mbps
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Lab3:fixed-downlink70
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 27
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Lab4:fixed-downlink80
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 28
9concurrentstations2HTchainsNprotocolCe
TotalbandwidthfromtheAP:125Mbps
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Lab4:fixed-downlink80
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Labsresults
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 30
1station,ratiod50->127Mbps9stations,ratiod50-> 80Mbps9stations,ratiof70-> 106Mbps9stations,ratiof80-> 125Mbps
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Nv2APsynchronization
[experimentalsupport]
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Nv2APsynchronization
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 32
• IntroduzidonoRouterOS 6.40• EsterecursovaipermitirquemultiplosAPNv2MikroTik Nv2possamco-existirutilizandoamesmafrequenciaesendocapazesdereduzirainterferênciacausada.• UmdosmaisdesejadosrecursosintroduzidonoRouterOS• Eestetemumagrandevantagemcomrelaçãoaoutrosfabricantes:nãoprecisaGPS
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Nv2APsynchronization
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 33
• Esterecursovaisincronizarostemposdetransmissão/recepçãodos APsnamesmafrequencia,portanto“OsAPsMikroTik Nv2sincronizados”poderãore-aproveitarafrequencia.• UmrecursomuitoimportanteemlocaisondevocêpossuidiversosAPs,dessaformavocêterámaisflexibilidadeparaplanejaroscenários.
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Nv2APsynchronization
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 34
SSID: Rede1Freq: 5600
SSID: Rede2Freq: 5600
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Nv2APsynchronization
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 35
Nocenáriovocêterá:• UmAP“master”•MultiplosAPs“slaves”
• TodoselesdeverãousaraMESMAfrequencia• Porémpoderãoterdiferentes SSIDs• Epoderãousardiferentes Nv2encryptionpassword
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Nv2APsynchronization
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 36
EntretantotodosdeverãoutilizaroMESMOnv2-sync-secret.
Elesvãosincronizarusandoo“password”,independentementedoSSID.
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Nv2APsynchronization
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Nv2APsynchronization
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Nv2APsynchronization
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 39
OsAPsslavevãoprocurarpelosAPsMasterquepossuemomesmo"nv2-sync-secret".
ApósoAPMasterserencontrado,oAPSlavevaicalcularadistânciaproAPMasterlevandoemconsideraçãoqueoAPMasterpoderánãoestarnomesmolocal.
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Nv2APsynchronization
MUM Maceió 2017 © Lorenzo Busatti, http://routing.wireless.academy 40
EmseguidaoAPSlavecomeçaaoperareadaptaoperiod-sizeeodownlink-ratiocombasenasinformaçõesenviadaspeloAPMaster.
ApósumAPSlaveestaroperacional,outrosAPsSlavepoderãoutilizaroSlaveanteriorparasincronizartambém.
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Nv2APsynchronization
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Nv2APsynchronization
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Nv2APsynchronization
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• OAPSlaveperiodicamenteescutaoAPMastereverificaseo"nv2-sync-secret"aindaconfereeemseguidaconferetambémosparametrosadaptativos.• SeainterfacedoAP Masterfordesabilitada/habilitadatodososSlavesvãodesconectareiniciaroprocessodesincronizaçãonovamente.• SeoMasterAPparardefuncionar,osSlaveAPstambémvãoparardefuncionaratéencontrarumnovoMasterprasincronizar.
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Nv2APsynchronization
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Lembrem-sedeque esterecursoespecifico está ainda em processodedesenvolvimento eportantodevemos efetuar diversos testesantes dedecidir colocar-loemprodução.
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Maisnovidades?
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Observandoochangelog:
Otherchangessince6.39.2:*)wireless- fixed802.11uwirelessrequestprocessing;
What'snewin6.41rc52(2017-Nov-0708:48):*)wireless- newdriverwithinitialsupportfor160and80+80MHzchannelwidth;
Fiqueatento!
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Conclusão
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üEspero quetodos adotem estesprevilegiados “métodos demelhoramento”dawirelessomais brevepossívelJ
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Obrigado!
Perguntas?
http://[email protected]
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