LVS is sending all traffic to one host

Solution Unverified - Updated -

Issue

  • After a period of time, all traffic is sent to the same real server.
  • ipvsadm command shows zero active/inactive connections but ipvsadm -Lnc shows all connections.
TCP  myvirtualservice:http wlc persistent 1200
  -> real1.com:http    Route   1      0          0         
  -> real2.com:http    Route   1      0          0         
  -> real3.com:http    Route   1      0          0         
TCP myvirtualservice2:https wlc persistent 1200
  -> real1.com:https   Route   1      0          0         
  -> real2.com:https   Route   1      0          0         
  -> real3.com:https   Route   1      0          0    

Environment

  • Red Hat Enterprise Linux (RHEL)
  • Load Balancer Add-On

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