Following this article https://support.vyos.io/en/kb/articles/system-optimization will be helpful to provide possibility change ring buffers from CLI
It also provides the possibility to create a custom configuration for devices like Dell VEP with predefined tuning params.

Info: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/configuring_and_managing_networking/monitoring-and-tuning-the-rx-ring-buffer_configuring-and-managing-networking