This link may also be related, it tells about same problems, but without CISCO hardware: https://askubuntu.com/questions/475700/application-stuck-in-tcp-retransmit/563984
This link may also be related, it tells about same problems, but without CISCO hardware: https:/ /askubuntu. com/questions/ 475700/ application- stuck-in- tcp-retransmit/ 563984