Not saying that it's strictly how it has to be done but historically in OT environments the choice was more between (Ethernet) CSMA/CD and token ring (not so mu

Not saying that it's strictly how it has to be done but historically in OT environments the choice was more between (Ethernet) CSMA/CD and token ring (not so much Netware, it wanted to do its own thing) on a segment that IP was transiting.