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Cisco Bug: CSCvu44936 - CUPS-CP : LTE/WLAN Handover failures due to CP/UP mismatch for the impacted Session

Last Modified

Jul 20, 2020

Products (2)

  • Cisco ASR 5000 Series
  • Cisco ASR 5500

Known Affected Releases 21.15.39 21.18.4 21.19.4 21.20.0

Description (partial)

Cisco CUPS LTE to WLAN Handover failures were seen intermittently.

Race condition in call flow between GTPc/Sx interfaces.
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