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Cisco Bug: CSCvt02603 - IMIX frame downstream throughput drop up to 30% seen on latest with 1560 AP

Last Modified

Aug 21, 2020

Products (1)

  • Cisco Aironet 1850 Series Access Points

Known Affected Releases

8.10(109.60) 8.10(118.60) 8.10(128.33)

Description (partial)

Symptom:
There is a packet loss rate of about 30% when try to inject the below downstream traffic model with MU-MIMO enabled on the traffic generator from wired infra side to a single wireless client.

Wireless  Downstream Traffic Model: 
    Frame size: Imix Frame; Traffic volume: 250Mbps; Channel width: 80Mhz;  WLAN  Auth: Open;  MUMIMO:enable
Imix frame size proposition (7:4:1): 64 * 58.33% + 594 * 33.33% + 1518 * 8.33%

Conditions:
Cisco Aironet 1560 Series Outdoor Access Points
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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