I concede that it is as you say just the upload stacked on thee download. Still seems odd that you only get that if you have only one uplink, but if your site is important enough to need a redundant link then you don't get download.   Thanks ... View more

Not really, our upload and down loads vary greatly, these stay in lock step so can't be upload and down load. ... View more

Thx for the reply.  It does look like a stacked graph but a few things odd: 1) It says Upload on one side and download on the other.  But as the 2 lines follow each other, it can't be both. 2) If it was just the same graph repeated, they should be exactly on top of each other, but one is slightly less than the other (in 4 out of 4 example sites I have looked at). So is it just a glitch, or is on graph showing, I don't know say download minus management overhead or something?   ... View more