Troubleshooting TechNotes

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Cisco Catalyst 9300 Switch

• Cisco Catalyst 9000 License Upgrade - Offline Method 27/Jan/2022
• Configure and Troubleshoot StackPower and XPS 2200 on Catalyst 9300 Switches 11/May/2023
• Troubleshoot Catalyst 9200/9300 Reloads Due to Stack Issues 11/Sep/2023
• Troubleshoot Control Plane Operations on Catalyst 9000 Switches 03/Apr/2024
• Troubleshoot DHCP on Catalyst 9000 Switches 20/Feb/2024
• Troubleshoot IGMP Snooping on Cisco Switches 26/Jul/2024 New
• Troubleshoot Output Drops on Catalyst 9000 Switches 22/Aug/2023
• Troubleshoot Smart Licensing with Policy on Catalyst 9K after Upgrade to 17.3.2 and Later 25/Jul/2023
• Troubleshoot Unexpected Reloads on Catalyst 9000 Switches 27/Jul/2023

• • Cat9k Migration Best Practices for Cisco SDA 28/Aug/2021
  • Communications Failure with Cisco Smart License Server 03/Nov/2023
  • Configure Local Area Bonjour Unicast Mode on Catalyst 9000 Switches 05/Apr/2024
  • Configure and Troubleshoot MKA Using Secure Client 5 10/Aug/2023
  • Configure and Verify Netflow, AVC, and ETA on Catalyst 9000 Series Switches 19/Dec/2023
  • Implement BGP EVPN DHCP Layer 2 Relay on Catalyst 9000 Series Switches 17/Jan/2024
  • Implement BGP EVPN Protected Overlay Segmentation on Catalyst 9000 Series Switches 15/May/2024
  • Implement BGP EVPN Routing Policy on Catalyst 9000 Series Switches 18/Aug/2023
  • Implement SSDP Best Practices on Catalyst 9000 Series Switches 01/Jul/2022
  • Manage Catalyst 9000 Switches Using the Web UI 01/Feb/2024
  • Migrate Catalyst License to Smart Licensing Using Policy 09/Mar/2022
  • Operate and Troubleshoot DHCP Snooping on Catalyst 9000 Switches 12/Jun/2024
  • Potential Memory Leak 24/Apr/2023
  • Recover Catalyst 9000 Switches from Upgrade Failures 15/Mar/2023
  • Troubleshoot ARP Resolution in SD-Access Fabric 26/Oct/2023
  • Troubleshoot DHCP Issues on Catalyst 9000 DHCP Relay Agents 20/Oct/2023
  • Troubleshoot Dot1x on Catalyst 9000 Series Switches 13/Sep/2023
  • Troubleshoot EVPN VXLANv6 on Catalyst 9000 Series Switches 07/Jun/2023
  • Troubleshoot EVPN VxLAN TRM on Catalyst 9000 Switches 13/Aug/2024 Updated
  • Troubleshoot EtherChannels on Catalyst 9000 Switches 08/Aug/2024 Updated
  • Troubleshoot IGMP for NLB Deployments on Catalyst 9000 Switches 27/Jul/2023
  • Troubleshoot MACsec on Catalyst 9000 29/Aug/2023
  • Troubleshoot MTU on Catalyst 9000 Series Switches 12/May/2023
  • Troubleshoot Mac Address Table Manager on Catalyst 9000 Series Switches 14/May/2024 New
  • Troubleshoot Network Related Audio Issues on Catalyst 9000 Switches 01/Aug/2023
  • Troubleshoot Output from Catalyst 9000 Switches 14/Mar/2024
  • Troubleshoot Port Flaps on Catalyst 9000 Series Switches 13/Mar/2024
  • Troubleshoot Power Supplies on Catalyst 9000 Switches 11/Apr/2024
  • Troubleshoot Power over Ethernet on Catalyst 9000 Switches 05/Sep/2024 Updated
  • Troubleshoot Rommon on Catalyst 9000 Series Switches 21/Jun/2023
  • Troubleshoot SISF on Catalyst 9000 Series Switches 16/Jan/2024
  • Troubleshoot Silent Reloads on Catalyst 9300/3850/3650s 27/Jun/2024 New
  • Troubleshoot Smart Licensing on Catalyst Platforms 09/Jul/2024
  • Troubleshoot Trustsec Inline Tagging 31/Jan/2023
  • Understand Extended Fast Software Upgrade on Catalyst 9300 Series Switches 27/Nov/2023
  • Understand FCS Errors, Input Errors, or Packet Loss on Devices Connected to Multigigabit Ethernet Ports 16/Apr/2024
  • Understand Hardware Resources on Catalyst 9000 Switches 29/Feb/2024
  • Understand Output Drops on Catalyst 9000 Switches 15/Jul/2024
  • Understand REP on Catalyst 9000 Switches 09/Aug/2023
  • Understand Smart Licensing for Catalyst Switching 31/Jul/2024
  • Understand the OpenFlow on Catalyst 9000 Series Switches 24/Jun/2021
  • Upgrading Catalyst 9300 Switches 06/Aug/2024 New
  • Use iPerf on Catalyst 9000 Switches to Perform Bandwidth Tests 10/Mar/2023
  • Validate Layer 2 Hardware on Catalyst 9000 Series Switches 23/Jun/2022
  • Validate Layer 2 Hardware on Catalyst 9000 Series Switches 24/Jul/2024
  • Validate Security ACLs on Catalyst 9000 Switches 04/Feb/2022
  • Verify Differences between PoE 802.3AT/802.3BT on Catalyst 9000 26/Aug/2024 Updated
  • Verify Head-End Replication in SD-Access Fabric 26/Aug/2024 New
  • Verify Layer 2 LISP Connectivity in SDA on Catalyst 9000 Switches 14/Jun/2023
  • Verify MPLS on Catalyst 9000 Switches 08/Mar/2022
  • Verify SPAN and ERSPAN on Catalyst 9000 Series Switches 15/Nov/2023
  • Verify and Troubleshoot Stackwise on Catalyst 9200/9300 11/May/2023

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