It's definitely not just use. I just ran into this majorly today. Had a client that showed 300GB in one month. I checked the client page and they had maybe a 1/10th of that. I was about to freak out thinking one of my clients was a Zombie. ... View more

Thanks for responding. Yes I mean the MX100, apologies. I have upgraded to the latest Beta firmware, this has not resolved anything.   Firstly, the below is a speedtest from a server connected to the Meraki and then a fibre line.  As you can see, the download portion of the update seems to be reporting down and up. The upload seems to be working fine. When I go to client usage, this is what is displayed (This is a fresh setup)   Traffic analytics shows usage of about 25mbps over a 1 hour period(roughly)     All three display different results, the only reasonably accurate one is the Live feed, and that worked more effectively when using the original firmware. I have the same experience with the Z1. ... View more