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Cisco Bug: CSCuq36021 - cdp send - recv messages to/from fex should not block

Last Modified

Sep 09, 2019

Products (7)

  • Cisco Nexus 6000 Series Switches
  • Cisco Nexus 5548P Switch
  • Cisco Nexus 5596UP Switch
  • Cisco Nexus 6004 Switch
  • Cisco Nexus 6001 Switch
  • Cisco Nexus 5672UP Switch
  • Cisco Nexus 5548UP Switch

Known Affected Releases

7.0(1)N1(1)

Description (partial) 

Symptom:
cdp may cause a crash and disconnect fex devices connected to a Nexus N5K or N6K switch while cdp tries to 
get configuration information from the fex.

Conditions:
This is seen in a massive setup with many fex devices and at the time a network event which causes other processes to be very busy.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
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