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Cisco Bug: CSCuo81303 - All ports error disabled after LPM parity error at a particular index

Last Modified

Aug 24, 2020

Products (6)

  • Cisco Nexus 3000 Series Switches
  • Cisco Nexus 3064 Switch
  • Cisco Nexus 3016 Switch
  • Cisco Nexus 3064-T Switch
  • Cisco Nexus 3048 Switch
  • Cisco Nexus 3132Q Switch

Known Affected Releases

6.0(2)U2(1)

Description (partial) 

Symptom:
All ports will go error-disabled and following message will appear in syslog

2014 May 14 06:16:16  %USER-3-SYSTEM_MSG: bcm_usd_notif_err_hwfail_helper:487: front-port 1, send hwFailure request success  - bcm_usd
2014 May 14 06:16:16  %USER-3-SYSTEM_MSG: bcm_usd_notif_err_hwfail_helper:487: front-port 2, send hwFailure request success  - bcm_usd
2014 May 14 06:16:16  %USER-3-SYSTEM_MSG: bcm_usd_notif_err_hwfail_helper:487: front-port 3, send hwFailure request success  - bcm_usd
2014 May 14 06:16:16  %USER-3-SYSTEM_MSG: bcm_usd_notif_err_hwfail_helper:487: front-port 4, send hwFailure request success  - bcm_usd

Conditions:
This only happens when parity errors are detected at specific indices across various tables
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Bug Details Include

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