Network traffic disruption observed between F5 BIG-IP VMs running on an NSX segment and VMs on an HCX extended segment
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Network traffic disruption observed between F5 BIG-IP VMs running on an NSX segment and VMs on an HCX extended segment

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Article ID: 376486

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Updated On:

Products

VMware NSX VMware HCX

Issue/Introduction

Network traffic to an F5 BIG-IP VM's virtual IP (VIP) from VMs configured on an L2 HCX extended segment is intermittently disrupted

Environment

VMware HCX 
VMware NSX
VMware NSX-T Data Center
F5 BIG-IP

Cause

Cause 1: MAC Change is enabled and MAC Learning is disabled in the segment profile defined for the segment used by F5 BIG-IP VMs

Cause 2: The F5 BIG-IP VM is configured with the same network range and subnet on both data plane and VIP virtual IP network.

Resolution

Resolution for Cause 1: Ensure that MAC Change is disabled and MAC Learning is enabled in the segment profile defined for the segment used by F5 BIG-IP VMs

 

Resolution for Cause 2: Ensure the Data plane segment and VIP of the F5 BIG-IP VMs are on different networks/subnets

Additional Information