In a cluster topology in an SD-WAN environment, after an activity that would cause edges to change cluster member, incorrect routing might be seen, causing:
This may occur after any of the following:
This is a known issue affecting SD-WAN Gateways, and is tracked under ID: 90884
After a HUB rebalance, route preference is not properly updated on the VCG before providing the routes to the edges. Causing for the incorrect order to be used for routing.
Upgrade the SD-WAN Gateways used by the edges to a fixed releases:
Release 5.1.0.0 (R5100-20221204-GA ) or later
For information on how to upgrade please check the following article: VMware SD-WAN Software Upgrade FAQs