@Cmiller putting all APs into a single network *might* be fine for your deployment, but could also go against a common best practice, but again it depends on your deployment. Each wireless network is meant to be more of a single site or physical location, like a single branch office, or a corporate office building or group of buildings, or a single school (or perhaps a middle + high school on a common campus, or a single college or university campus for example. The point is that each of these is a single contiguous AutoRF domain for which all of the APs make their RF decisions about channels and power. I usually use the example of a K12 school district as an example, you would not want to have a single district-wide wireless network across every school. That would be a single large AutoRF domain for buildings that are miles apart, way out of RF range from one another, but they all have to run the same instance of an AutoRF algorithm. You could potentially have APs in a high school making RF adjustments based off of changes that stemmed from a different school miles away. That doesn't tend to happen, and RF adjustments tend to remain localized, but it's possible, and inefficient since the majority of the computations involving other schools are unnecessary algorithmic noise. I've seen K12 districts run district-wide wireless networks just fine, but it's definitely less than ideal, and the best practice is to divide up the RF domains into a network-per-site so dozens or hundreds or even thousands of APs don't all have to run the same instance of an algorithm when they're way out of range anyway. Even in the university campus example I gave above, some decide to do a network-per building approach, like for large dorm buildings, versus a single campus-wide network, while others have separate campus-wide networks broken out for dorms, academic buildings, and general outdoor and common areas, while still others do have a single campus-wide deployment (less common). Just rules of thumb, lots of variables and of course every deployment's different. The switch network is another story, there it might be more common to have a campus or district-wide switching network but with wireless networks broken out site by site. Only thing there is you wouldn't have site-by-site combined MS+MR networks in Dashboard, likely not a big deal, but it depends.
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