I manage a mid-sized Industrial automation network. I have roughly 10 client machines and 4 server machines. Up until now, we didn’t have a GPS clock in the network. One of the machines, server-A, was working as a time server & NTP was used to sync other machines.
Now that we are installing this new GPS clock I need to configure server-A to receive the time from the GPS clock so that all the Clients + Servers will get time-synced with the GPS clock.
We have manageable Cisco switches in the network and I want to know if I need to plan to do time sync for the switches as well? I did not think so, but I am not sure. Can you please explain why time sync is required on managed switches and what may go wrong if these switches do not have synchronized times?