Can not ping to service

Hi ı have a problem.
when ı connected to my service , ı cant ping to service(172.28.28.4) .
Also, my client frequently disconnects and reconnects.getting can not reach error.my screens :






Config seems to be OK.
Please send client logs which you can find in Status window bottom ( also you can send to support@ferrumgate.com)
image

and on server, please follow logs with cmd
ferrumgate --all-logs
if any error occurs