Do if there are any issues with version 15.21.1 on switch MS 250. I have a customer that their pin pads connected to the switch just stopped working a not able to communicate with their server? They need to reboot the switch and thereafter, the pin pads star working again. I have checked the documents, and it appears that this version causes the following issues:   In some cases, devices connected to the switch ports may experience connectivity issues or reduced speeds. This could be due to incompatibilities with the firmware of connected devices or auto-negotiation settings.   Can you please confirm?   Thank you.    ... View more