对 Catalyst 9800 无线控制器进行故障排除.pdf

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1、#CiscoLive#CiscoLiveJavier Contreras AlbesaPrincipal EngineerBRKEWN-3628Troubleshoot Catalyst 9800 Troubleshoot Catalyst 9800 Wireless ControllersWireless Controllers 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveAbout me 2023 Cisco and/or its affiliates.All rights reser

2、ved.Cisco Public#CiscoLiveEnter your personal notes hereCisco Webex App Questions?Use Cisco Webex App to chat with the speaker after the sessionFind this session in the Cisco Live Mobile AppClick“Join the Discussion”Install the Webex App or go directly to the Webex spaceEnter messages/questions in t

3、he Webex spaceHowWebex spaces will be moderated by the speaker until June 9,2023.12345https:/ 2023 Cisco and/or its affiliates.All rights reserved.Cisco PublicBRKEWN-36285Agenda 2023 Cisco and/or its affiliates.All rights reserved.Cisco PublicTroubleshooting 101Architecture BasicsCat9800 Control Pla

4、ne debuggingCat9800 Data Plane debuggingAccess point Control Plane debuggingAccess point Data Plane debuggingWLC top issuesConclusionBRKEWN-36286Troubleshooting 101 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveWhere do we start?8BRKEWN-3628IPDHCPWLCIPISECAPWAPEOIP802.11

5、 CAPWAPRADIUSChan.1802.11 Management802.11 ManagementEAPIPsupp.driverradioWireless Link =Complex multi-variable equation Isolate and remove the variablesCAPWAP 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveTroubleshooting BasicsTroubleshooting 101Clearly define the probl

6、emUnderstand any possible triggersKnow the expected behaviorReproducibilityDo not jump to conclusions9BRKEWN-3628Problem DefinitionQuestionsTestsSolution(s)Analysis 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveTroubleshooting BasicsLogical and procedural mindsetStep 1:D