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Cisco Bug: CSCuq92989 - N7k: Input discards during ISSU on interface with custom service-policy

Last Modified

Sep 10, 2019

Products (7)

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

Known Affected Releases

6.2(2)

Description (partial) 

Symptom:
While performing ISSU, input discards are seen on interfaces carrying FCoE traffic.

Conditions:
This is seen on N7k F2E linecards in an FCoE multihop environment, with long-distance(2km or greater) links.
Custom QoS service-policy is applied to these FCoE multi-hop interfaces

ISSU from 6.2(2) to 6.2(8a)
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Bug Details Include

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