Preview Tool

Cisco Bug: CSCvr93741 - Cisco Nexus 3000 devices running 7.0(3)I4(7) and 7.0(3)I7(6) may fail with errors on ISSU

Last Modified

Aug 28, 2020

Products (1)

  • Cisco Nexus 3000 Series Switches

Known Affected Releases


Description (partial)

TORs and EOR LCs on Cisco Nexus 3000, 3100 and 3200 devices when doing an ISSU to NX-OS Images with Broadcom SDK 6.4.8 might fail in rare cases due to timeout with the following errors: 
switch# slot 1 quoted "show logging onboard internal bcm-usd.

Thu Oct 31 22:24:18 2019 (264327 us) 
unit 4 Got invalid mem pop from ING_SER_FIFO_X !!

On TORs and EOR LCs with Broadcom ASICs, ISSU to NXOS image with broadcom sdk 6.4.8,
the following errors may be seen if hardware tables run into parity errors 
during a small window in warmboot sdk initialization phase post kexec.
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.