The VMware SD-WAN Standby Edge WAN link down in 5.2.3.0 R5230-20240313-GA

Products

• VMware VeloCloud SD-WAN

Issue/Introduction

• This KB article documents the issue encountered under  software issue # 122717.
• Symptoms:
  

  This issue has several symptoms. The following list summarizes what has been observed in the field: 

  • The Standby Edge WAN link doesn't form tunnel to gateways and  peers. ( can be observed in Remote diagnostics output for checking the path to gateways from Standby WAN link) 
  • Standby Edge WAN links becomes Disconnected ( can be observed in VCO monitor overview section)  
  • Standby WAN link physical status will be UP but there won't be any tunnels to VCG or peers. ( can be verified in Remote diagnostics)

Environment

VMware SD-WAN by VeloCloud Edge Version - R5230-20240313-GA

Cause

1. For a customer enterprise site deployed with an Enhanced High Availability topology where Edge model 540's are used, if a hard reset is performed on the Standby Edge
2. Edge model 540's already running version 5.2.3.0 and after tunnel flap (example- certificate renewal etc.)  the standby WAN links will not form tunnels

 

Resolution

A fix for issue # 122717 included in the following Edge builds:

• 5.2.3.2 (R5232-20240516-GA or later)

Additional Information

For more information on the VMware SD-WAN High Availability feature, please consult the VMware SD-WAN Administration Guide.
For more information on the Software issue , please consult https://docs.vmware.com/en/VMware-SASE/5.2.3/rn/vmware-sase-523-release-notes/index.html#:~:text=Fixed%20Issue%20122717,the%20Active%20Edge.