In Keepalived DR mode why clients are sending request directly to the real servers?

Solution Verified - Updated -

Issue

  • Client systems communicating directly to the real servers, bypassing load balancer.
  • Even after blocking ARP traffic on real servers, why the client systems are still communicating directly with the real servers.

Environment

  • Red Hat Enterprise Linux 8.
  • Red Hat Enterprise Linux 7.
  • Keepalived(Direct Routing mode).

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