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Port Monitoring

Capture LAN traffic for analysis using features such as Switched Port Analyzer (SPAN).

Switched Port Analyzer (SPAN)
Remote SPAN (RSPAN)
Mirroring
VLAN SPAN (VSPAN)

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Configuration
- Applicable to Multiple Technologies
  - Configure ASR1000 Local ERSPAN 28-Aug-2017
- Switched Port Analyzer (SPAN)
  - Configure Catalyst Switched Port Analyzer (SPAN): Example 11-Jul-2023
  - CUBE Third-Party Interoperability Fax Guidelines 14-Aug-2013
  - Use the Ethernet Packet Capture Feature to Troubleshoot High CPU Utilization 14-Jun-2013
  - Catalyst Express 500 Series Switches Configuration Example 13-Jun-2008
- VLAN SPAN (VSPAN)
  - VACL Capture for Granular Traffic Analysis with Cisco Catalyst 6000/6500 Running Cisco IOS Software 22-Mar-2007
- Catalyst 3550/3560 Series Switches Using Port-Based Traffic Control Configuration Example 21-Dec-2011
Operation and Troubleshooting
- Switched Port Analyzer (SPAN)
  - Troubleshoot Nexus Cheat Sheet for Beginners 22-Sep-2023
  - Troubleshoot ISE 3.1 GUI Log in with SAML SSO 23-Aug-2022
  - How to Factory Reset Speaker Track on MX series 09-Jul-2018
  - How to Send API commands in CE 8.0 22-May-2017
  - Nexus 5000 Switch Packet Drop Identification 05-Sep-2013
  - Wireshark Use to Identify Bursty Traffic on Catalyst Switches 28-Jun-2013
  - Flow-Based SPAN Alternative to VACL Capture 08-May-2013
- How to Get Catalyst Switch Backplane Utilization Using SNMP 21-May-2006