EOBC (Ethernet out-of-band channel) is the communications path between then supervisor engine CPU, the MSFC and the line cards - and SCP (serial control protocol) defines the protocol that is used to exchange messages over the EOBC.
An increase in traffic by itself isn't normally a problem unless you're also getting log messages such as SCP comms failure messages, in which case I believe you need to contact the TAC.
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...