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Cisco Bug: CSCvt02463 - vnic can hang under load on VIC 14xx

Last Modified

Jun 08, 2020

Products (1)

  • Cisco Unified Computing System

Known Affected Releases

4.0(4f)C

Description (partial)

Symptom:
A vnic may spontaneously stop transmitting data and appear 'wedged'.  When running UCS managed C-series, rebooting the server does not recover the vnic.

Conditions:
Only VIC 14xx are affected.  This typically happens under heavy TCP transmit load.
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  • Status
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