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vSEC Cluster in Microsoft Azure fails over intermittently Technical Level
Symptoms
  • vSEC Cluster in Microsoft Azure fails over intermittently.

  • Running the $FWDIR/scripts/azure_ha_test.py script (per sk110194) on cluster members shows that some tests failed.

  • Kernel debug ('fw ctl debug -m fw + drop') on cluster members shows that traffic is dropped:
    ... dropped by fwfrag_error Reason: Virtual defragmentation error: Duplicate fragment

  • Running the $FWDIR/scripts/azure_ha_test.py script (per sk110194) after unloading the security policy on cluster members shows:
    All tests were successful!

  • Debug of Azure HA daemon (per sk110194) shows in the $FWDIR/log/azure_had.elg file:
    Testing credentials... Error: curl exit is 7

    (Note: This is an indication of a network connectivity issue)
Cause

Unsupported Hotfix(es) is(are) installed on vSEC Cluster in Microsoft Azure.


Solution
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