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Cisco Bug: CSCuq34116 - N7K-F248XT-25E interfaces fail PortLoopback test and fail to initialize

Last Modified

Aug 31, 2018

Products (8)

  • Cisco Nexus 7000 Series Switches
  • Cisco Nexus 7000 10-Slot Switch
  • Cisco Nexus 7000 4-Slot Switch
  • Cisco Nexus 7700 6-Slot Switch
  • Cisco Nexus 7000 18-Slot Switch
  • Cisco Nexus 7700 18-Slot Switch
  • Cisco Nexus 7700 10-Slot Switch
  • Cisco Nexus 7000 9-Slot Switch

Known Affected Releases

6.2(2) 6.2(6) 6.2(6a) 6.2(6b) 6.2(8a)

Description (partial)

Symptom:
Interfaces on an N7K-F248-XT-25E fail to initialize.

- Gaurdian is in stuck state.
- Shut / no shut of the interface does not help.
- Not easily reproducible.
- Once we reload the LC, issue goes away.
- So this is very rare and intermittent case.

Conditions:
N7K-F248-XT-25E running 6.2(x)
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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  • Known Fixed Releases
  • Related Community Discussions
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