Hi @Wolfgang,
I found this for R80.40. Maybe this will help:
Support for Policy-Based Routing (VSX)
PBR can be configured only on Virtual Routers in the SmartDashboard. When VSX mode is enabled, Gaia Portal is disabled on Security Gateway as it is not supported in VSX mode, and the Clish command "set pbr" command is disabled for Virtual Systems. Furthermore, configuration in the SmartDashboard supports only Source Address and Mask, and Destination Address and Mask.
Notes:
For more informations read this sk: Policy-Based Routing (PBR) on Gaia OS
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