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All Lights Flash and Switch Stops Passing Traffic When connected to Network With No Loops

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TitleAll Lights Flash and Switch Stops Passing Traffic When connected to Network With No Loops
Symptoms
  • Connecting uplink causes all LED to light
  • Disconnect uplink does not resolve
  • No mac address moving
  • No spanning tree topology changes
  • Enabling ports one at a time does not cause any issues until the uplink is connected
  • Wirehsark trace of Non-mirror port shows forty percent IPv6 traffic
  • filter IPv6 traffic resolves
Environment
Securestack
 
Cause
Excessive IPv6 Traffic with no IPv6  interfaces Configured on switches or routers
Resolution
Configure filter to drop IPv6 traffic


 
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