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Latency after upgrade from NGX R65 to R75.x / R76 / R77.x when SecureXL is enabled
Symptoms
  • Output of 'ifconfig' command / 'netstat' command shows that RX drops counter on the interface grows rapidly under traffic load.

  • The issue occurs only when SecureXL is enabled.

  • Kernel debug debug shows the following drops:
    ...dropped by do_inbound_finish, Reason: transmission failed

  • Following sk84300 (Latency after upgrade from NGX R65 to R75.x) does not resolve the issue.

Cause

The interfaces are busy and cannot accept packets coming from the SecureXL module.


Solution
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