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Forum Discussion
dd_88
Jul 16, 2019Aspirant
Router and Access Point
So I have the newst Comcast modem (TG3482G) which is a modem/router combo and I have a Nighthawk R9000. I want the Comcast modem/router combo to send a WiFi signal to the downstairs, and I want the N...
- Jul 17, 2019
dd_88 wrote:
If I change the channel could I keep the same SSID and password?
You could try that. If it works, great. Problem solved.
However, whatever you do as they move around wifi clients have to "forget" one connection and then move on to another one.
Most of my wifi clients happily handover between sources without me noticing. (I have two separate networks in the house and in my separate office.) I use different SSIDs so that I know which one I am connected to. I use the same password because it is easier to remember.
In effect, it all comes down to the abilities of the wifi clients. You make it harder for them if you have two different sources on the same wavelength and with the same SSID.
michaelkenward
Jul 17, 2019Guru - Experienced User
dd_88 wrote:
If I change the channel could I keep the same SSID and password?
You could try that. If it works, great. Problem solved.
However, whatever you do as they move around wifi clients have to "forget" one connection and then move on to another one.
Most of my wifi clients happily handover between sources without me noticing. (I have two separate networks in the house and in my separate office.) I use different SSIDs so that I know which one I am connected to. I use the same password because it is easier to remember.
In effect, it all comes down to the abilities of the wifi clients. You make it harder for them if you have two different sources on the same wavelength and with the same SSID.
dd_88
Jul 17, 2019Aspirant
Okay I will try this when I return home, will follow up at a later date for I dont know when the problem occurs it happens randomly.
But leading off what you said I am having trouble understanding the purpose of an SSID now. I always interperted the SSID as just a label you give the router/access point for the user to know what they are conneting to and for the client to give it a more readable name. How does changing the SSID allow WiFi clients to seamlessy connect without interfearance? Would the wavelength not be the only determinate that causes the issue, not the SSID for the clients don't care what the SSID is?
Sorry for being a nucence, just trying to understand better, and when I called Netgear the man wasn't much help he just told me to buy Orbi, but I'm trying to learn :/
- schumakuJul 17, 2019Guru - Experienced User
Well, many consumer devices don't support seamless roaming, e.g. supported by 802.11k (information list about neighboring AP channel and more) and 802.11r (Fast Basic Service Set Transition, FT). All this can work efficiently only if the same SSID is configured on all radio access points (router, WAP, ...). If some of these standards are in place, the industry does lazily define this as a wireless "Mesh" network.
Without this technology, and when using different SSID, a client will try to stick as long as possible to that SSID, and not roam to a nearer, much better AP.
- michaelkenwardJul 17, 2019Guru - Experienced User
dd_88 wrote:
I always interperted the SSID as just a label you give the router/access point for the user to know what they are conneting to and for the client to give it a more readable name. How does changing the SSID allow WiFi clients to seamlessy connect without interfearance? Would the wavelength not be the only determinate that causes the issue, not the SSID for the clients don't care what the SSID is?
Wifi clients connect to wifi hosts by latching on to the address and let you in with the right password.
The wifi source broadcasts its SSID so that wifi clients can see it. (You can also hide the SSID, but if you still know the SSID you can still connect to it.)
How do you expect your wifi clients to tell one wifi source from another of every source puts out the same name?
The interference may also be between two different wifi sources on exactly the same wavelength. What if every radio station broadcast on the same wavelength? Chaos.
- schumakuJul 17, 2019Guru - Experienced User
michaelkenward wrote:How do you expect your wifi clients to tell one wifi source from another of every source puts out the same name?
By BSSID and backing information tables built on the wireless client, on more sophisticated AP or consumer WiFi Mesh devices assisted by 802.11k, 802.11r, and sometimes 802.11r.
michaelkenward wrote:The interference may also be between two different wifi sources on exactly the same wavelength. What if every radio station broadcast on the same wavelength? Chaos.
Not that bad, but not ideal - there is however not much of a choice: The number of available channels is much to low. Sophisticated home and business class (typically dozens to hundreds of WiFi clients in the range of multiple APs) or large venue public WiFi installations designed for the-thousands of clients have many many AP operating on the same channel sets.
Here at home, the average WiFi client does see about 10 different radios on air on both 2.4 and 5 GHz.
- dd_88Jul 17, 2019Aspirant
Not that bad, but not ideal - there is however not much of a choice: The number of available channels is much to low. Sophisticated home and business class (typically dozens to hundreds of WiFi clients in the range of multiple APs) or large venue public WiFi installations designed for the-thousands of clients have many many AP operating on the same channel sets.
Here at home, the average WiFi client does see about 10 different radios on air on both 2.4 and 5 GHz.
Going off of this, the R8000 (just realized I've put this under R9000 but I have an R8000) only support 802.11ac, and since it does not support 802.11k and or 802.11r, the R8000 cannot be settup as an access point with the same SSID and password to create one large WiFi network that works like a "mesh" network that these large venues / business have?
I am basically trying to create a network like you'd see in a business or large venue where you see dozens of access points all with the same SSID and password so a client can go anywhere in the venue and be connected without this interfearance jamming the network. Is this not possible with the R8000?