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Cisco Bug: CSCvt65999 - WLC sending capwap fragmented packets in out of order sequence when heavy udp traffic is sent

Last Modified

Oct 12, 2020

Products (1)

  • Cisco 5500 Series Wireless Controllers

Known Affected Releases

8.5(135.0)

Description (partial)

Symptom:
WLC running latest AireOS image + AP joined in PMTU 576/1005 + Send heavy iperf traffic in downstream direction. Packets from WLC are sent in frag ids in out or order sequence

Conditions:
AP in lesser PMTU 576/1005 and traffic in downlink direction.
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