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Cisco Bug: CSCup37826 - Nexus 1000v more than 4 Local SPAN Sessions dont work

Last Modified

Jul 31, 2014

Products (2)

  • Cisco Nexus 1000V Switch for VMware vSphere
  • Cisco Nexus 1000V Switch

Known Affected Releases


Description (partial)

Local SPAN Sessions (above 5) will stop working
From Nexus 1000v point of view 'sh monitor session all'  the SPAN session will show up as State UP
But the destination veth (of session 5 and above) will have no incrementing  TX packets and 5 minute output rate finally drops to 0 bits/second

More than 4 Local SPAN sessions are configured on a source port, exceeding the SPAN limits. The source for all SPAN session is the same.
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