Reasonably priced endpoint bandwidth monitoring in BYOD network?

Please save me from this Cisco nightmare!
I manage a BYOD network in a shared office complex. It is connected to 75mbps FCCT broadband via a Cisco 1921. I bought the 1921 because the old Draytek wasn't stable enough.
Obviously I need to monitor the upload / download consumed by the users. To my total supprise, I've wasted days trying to find a solution that will actually work with Cisco. I've tried (with the help of their tech support) PRTG only to find that is won't work unless all the endpoints are static IPs. Obviously this is not really feasable.  
I've had a look at ntopng, but I really don't want to be unsupported. All the others I've found cost £1000s and I have little faith that they'll work any better than PRTG.
I've gotta be missing something obvious??
TIA

Currently we have both wired and wireless, however I'm thinking of putting the wireless network behind a hotspot controller.
In terms of identification the ideal solution would allow me to label the MAC addresses of regular users and generate a monthly report.
All I need to be able to do is spot when a user is getting a bit greedy, I'm open to suggestions?

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    Canon's TS-E 45mm and TS-E 90mm lenses also are usable for near-macro and, with extension tubes added, macro shooting. These are Tilt-Shift lenses that give additional control over the plane of focus which can be used to good effect with macro and shallow depth of field. I use a TS-E 45mm a lot for table top studio shots of small products. However, these are manual focus only, largely tripod-only and rather pricey lenses, so I just wanted to mention them here. They are probably not something I'd recommend for a first time macro shooter or general purpose, outdoor, walk-around macro work.
    Personally, my two most-used macro lenses are a Canon EF 100/2.8 USM (the older model) and a Tamron SP 60/2.0. When I'm planning to shoot a lot of outdoor, walk-around macro shooting, the Canon lens is my first choice. However, it's rather large so when I'm not planning macro, but want to have a macro lens just in case, I'll substitute it with the much more compact Tamron lens. (Which also can replace two portrait lenses in my camera bag, so reduces my load by one lens serving in place of three.)
    Another key consideration is flash. Often when shooting macro it's a challenge to get enough light to allow a stopped down lens, desirable ISO and adequately fast shutter speed. So you probably will find yourself wanting to use flash sooner or later. Canon offers two macro-specific flashes: the MR14 EX Ring Lite and the MT24EX Twin Lite. I use both for different purposes. I prefer the Twin Lite for macro shots up to about 1:1, maybe 2:1 (double life size) magnification. The Ring Lite I mostly use for very high magnification shots with the MP-E 65mm lens.
    All the Canon lenses above have provision for, or can be adapted to allow for direct mounting of the two Canon macro flashes (Note: I believe there is a new "Mark II" version of the Ring Lite coming out soon). There also are adapters available to mount these flashes on non-macro Canon or onto third party lenses. It also is possible to use a single "standard" flash, along with an off-camera shoe cord and some sort of diffusion to hold back the flash, when shooting macro. I do that often with 550EX and 580EX II flashes.
    There are other macro-specific accessories you may want to consider eventually. Often I'll use a diffusion panel and/or a reflector when out in full sun, to reduce too extreme contrast and help fill too-deep shadows. A focusing stage is another useful thing, when shooting macro with a tripod.
    Finally, I recommend you pick up some books on macro photography. John Shaw's "Close-Ups in Nature" is perhaps the "Bible" among them and likely the most comprehensive. I also found books about macro by Tim Fitzharris and Joe & Mary MacDonald very helpful and interesting. I'm sure there are others, but those came immediately to mind.
    Alan Myers
    San Jose, Calif., USA
    "Walk softly and carry a big lens."
    GEAR: 5DII, 7D(x2), 50D(x3), some other cameras, various lenses & accessories
    FLICKR & PRINTROOM 
    Almost 2,400 words to answer a macro lens post? Alan, nobody can believe you can write so much (except TCampbell, ha ha) but you risk nobody wanting to read. See the link that follows for the sort of difficulty readers have with this sort of post, http://en.wikipedia.org/wiki/Wikipedia:Too_long;_didn't_read

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