Citrix ADC HA failover causes service disruption for 3-5 minutes

Citrix ADC HA failover causes service disruption for 3-5 minutes

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Article ID: CTX259010

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Updated On:

Description

Other subnet's resources outside the NSIP subnet become unavailable. Specific Vservers/services would show UP but cannot be accessed until 3-5 minutes, after the failover.

Resolution

  • Configured VMACs for each relevant interface
  • In Vmware Virtual Machine settings, enabled promiscuous mode
  • In VMware Virtual Machine settings, enabled forged transmits

Problem Cause

A combination of L2 issues with mis-configuration on the ADC and VMware Virtual Machine Settings

Issue/Introduction

Case Study on ADC service disruptions for 3-5 minutes after HA failover occurs

Additional Information