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In the spirit of this question, I'd like to dig deeper into using multiple wireless-access-point with the same ssid for performance reasons.
As I understand it, if I have two devices on the same WAP, and one device can only communicate using 802.11g, then all devices are slowed to G
speeds while that device is connected.
If this is true, is the following possible in order to maintain performance for all devices.
I'd like to set up THREE WAP's each with the exact same SSID, Encryption, and Passphrase. Each of the three WAP's would would differ as follows.
My question is, if I do this, will my N devices ALWAYS connect to N capable WAP's first (and prefer 5Ghz) if they're available? What about signal strength, does it come into play (ie: if the G WAP has a stronger signal, will an N device prefer it over an N WAP even though performance would be reduced)?
a single WAP can only communicate on single channel at a time. If an old iPhone3 connects to a WAP using 802.11g, then that WAP will be "locked" to 802.11g for as long as that device is connected. This is why 3 WAP's would be ideal. The iPhone3 can connect to the
G
router while the 4 can connect to theN (2.5Ghz)
router, and the Macbook Pro can connect to theN (5Ghz)
router. – Chase Florell – 2013-01-12T02:17:41.727Indeed, you are right! The WAP will get capped at the slower connection. So you have, as I've been reading after your comment, two options: 1) get yourself a true dual-band WAP or 2) have two WAPs, one operating at 2.4GHz and other exclusively at 5GHz. I believe they won't get interference from one another, since they are operation on different frequency, but I can't tell for sure about the clients. The N will prefer the 5GHz WAP, but will work on both. The G client won't be able to connect to 5GHz WAP. Got something from here: link
– fboaventura – 2013-01-12T05:12:40.017