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Cisco Bug: CSCum73822 - MDS - TX span session not working after ISSU upgrade

Last Modified

Jul 23, 2014

Products (1)

  • Cisco MDS 9000 Series Multilayer Switches

Known Affected Releases

5.2(8b)

Description (partial)

Symptom:
Span sessions spanning source ports in the TX directions may not work. 
It means that the destination interface does not send any packets out to 
the attached sniffer. Spanning the source ports in the RX direction 
always works instead.

Example of non working span config:

span session 8
  destination interface fc3/39
  source interface fc3/14 tx

Conditions:
After the MDS has been upgraded via ISSU to version 5.2(8b) from 5.0. Previous
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
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