There's no way I know of to get the SME server itself to tell you this (although there probably ought to be), but if you have another machine, you can put it on the same Ethernet segment and use a network monitoring app to view the traffic. (Important: use a *hub* NOT a switch, to connect the monitoring PC and the SME server - this ensures the monitoring PC can "see" all the traffic to/from the SME server. It's OK to plug the hub into an "upstream" switch, som long as the server and monitoring PC are on the same segment.)
There are tons of monitoring programs, but most of them are aimed at detailed packet sniffing/analysis rather than just at-a-glance traffic caharacterization. Here are two that do the latter very well:
For Linux, try Etherape. It draws real-time traffic analysis maps in a uniquely intuitive way that can show protocol used and traffic volule at a glance after only a very short learning curve getting up to speed on colors, etc. If you don't want to dedicate a PC to running Linux to do this, there are several "run from CD" Linux distros that include this tool. The "knoppix-std" distro is one. (Be aware that some of the tools on the Knoppix-STD disk can be *very* dangerous in untrained hands - act accordingly.)
For DOS, try another really good traffic characterization program - the old Ethload app. It's getting to be a bigger pain to use this because you'll need DOS drivers for the NIC you're using - packet drivers work best. As a result, old hardware is your friend here - I like NE2000 clones, but you should be able to get packet drivers for a number of 100 Mb cards, too. Don't let it's DOS origins fool you - this is one of the best network traffic characterization programs I've seen, and I've seen a bunch. Sadly, it's beginning to show its age in other ways, too (no support for newer protocols, etc.) but it's still fine for most things.
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