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Latency after upgrade from NGX R65 to R75.x Technical Level
  • Latency is observed after upgrade from R65 to R75.x (while pinging upstream / downstream devices from the Security Gateway itself, response fluctuates between 0-30 msec.)

  • Kernel debug shows:
    "...dropped by do_inbound_finish, Reason: transmission failed;"

  • 'Firewall' is the only Software Blade enabled on the Security Gateway.

This can be caused by exhausted interface queue buffer.

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