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"Failed to calculate sync targets for conn" error in /var/log/messages Technical Level
Symptoms
  • Following messages appear in /var/log/messages
    ERROR: Failed to calculate sync targets for conn <dir 0, IP:Port -> IP:Port IPP y>
    ERROR: Failed to calculate sync targets for conn <dir 1, IP:Port -> IP:Port IPP y>


    For example:
    ERROR: Failed to calculate sync targets for conn <dir 0, 2.2.2.2:64735 -> 8.8.8.9:18435 IPP 6>
    ERROR: Failed to calculate sync targets for conn <dir 1, 8.8.8.9:18435 -> 2.2.2.2:64735 IPP 6>

  • Traffic is impacted once security group member is back online after a reboot.

Cause

During the boot-up process, the rebooted member state is set to "Active" prematurely.


Solution
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