Is there a way to analyze network traffic?

[johnysilvermon]

so erm... not doing anything (just opening MCX), letting it run overnight shows 50 meg up 36 meg down and that's in Bytes not bits:

Given I am just leaving it as is , dong nothing, and the number is growing, and the search indexer is off, I suspect this is RCC messaging, although rnsstatus shows it could be some routing stuff.... But I can't be sure, because there's no way to see traffic.

What do you recommend i do to help and debug that?