Double connections (AP+internet) over a single dual band wifi dongle?

[Romain Billoir]

Hi all,

New to BSD (previously working on Linux), i'm attempting to create a device
(raspberry or rock64 platform) which need to be at the same time connected
to a internet connection and an access point. Both through two wireless
connection entirely separated: no bridge over the two connections is needed.

What I want to know is : if I connect an USB dual band wifi dongle, will
NetBSD be able to setup the double configuration on a single device? Or
will I need to buy a second wifi dongle?

Thanks for helps/advices and suggested (low-cost) wifi dongle and excuse me
for my poor English ;)


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[Greg Troxel]

Post by Romain Billoir
New to BSD (previously working on Linux), i'm attempting to create a device
(raspberry or rock64 platform) which need to be at the same time connected
to a internet connection and an access point. Both through two wireless
connection entirely separated: no bridge over the two connections is needed.

You say "internet" and "access point". Please clarify the nature of the
"internet" connection. Is it 802.11 also? If not, I do not understand
your problem.

Presumably the access point connection is a BSS and your device will
operate as a client.

Post by Romain Billoir
What I want to know is : if I connect an USB dual band wifi dongle, will
NetBSD be able to setup the double configuration on a single device? Or
will I need to buy a second wifi dongle?

I do not think this is likely to work. Two dongles is very likely to
be the least-pain approach.

Can you point to documentation to do what you want for any other OS?

It is true that hardware can do this, as many access point hardware
devices (e.g. Ubiquiti) can support multiple simultaneous SSIDs. But I
do not know whether the functionality that enables that is exposed on
USB wifi adaptors, or if it works in client mode.

Post by Romain Billoir
Thanks for helps/advices and suggested (low-cost) wifi dongle and excuse me
for my poor English ;)

Your English is great - no problems understanding you at all due to language!

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[Michael van Elst]

Post by Romain Billoir
What I want to know is : if I connect an USB dual band wifi dongle, will
NetBSD be able to setup the double configuration on a single device? Or
will I need to buy a second wifi dongle?

You need a second wifi dongle. While a few of them actually allow such a
multi-client configuration, it's not supported by NetBSD.

[Romain Billoir]

@Greg: To be more precise, the device I want to create is a kind of
portable intranet chat server.

I want users to connect with smartphones and tablets to connect on it
so I need the server to host an access point.

The device needs to be carriable so when the owner's get back to home,
I want it to connect to his home internet connection and search for
update (automatically, wpa_supplicant setup through an intranet
portal).

I don't want the internet connection to be shared due to security
reasons (in this case, users will be able to connect to owner's modem
and possibly hack it)

I also need it to be used on battery, this is why I'M searching to do
this with a single chipset.

@Michael: well... Assuming you're right, I'M gonna buy two dongles. I
know me: I will continue to search to do it with a single one and
finally use twice of it... For the start... ;)

Best regards and special thanks to Greg for the "private" mail ;)

Post by Greg Troxel

Post by Romain Billoir
New to BSD (previously working on Linux), i'm attempting to create a device
(raspberry or rock64 platform) which need to be at the same time connected
to a internet connection and an access point. Both through two wireless
connection entirely separated: no bridge over the two connections is needed.

You say "internet" and "access point". Please clarify the nature of the
"internet" connection. Is it 802.11 also? If not, I do not understand
your problem.
Presumably the access point connection is a BSS and your device will
operate as a client.

Post by Romain Billoir
What I want to know is : if I connect an USB dual band wifi dongle, will
NetBSD be able to setup the double configuration on a single device? Or
will I need to buy a second wifi dongle?

I do not think this is likely to work. Two dongles is very likely to
be the least-pain approach.
Can you point to documentation to do what you want for any other OS?
It is true that hardware can do this, as many access point hardware
devices (e.g. Ubiquiti) can support multiple simultaneous SSIDs. But I
do not know whether the functionality that enables that is exposed on
USB wifi adaptors, or if it works in client mode.

Post by Romain Billoir
Thanks for helps/advices and suggested (low-cost) wifi dongle and excuse me
for my poor English ;)

Your English is great - no problems understanding you at all due to language!

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Posted automagically by a mail2news gateway at muc.de e.V.
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[Greg Troxel]

Post by Romain Billoir
@Greg: To be more precise, the device I want to create is a kind of
portable intranet chat server.
I want users to connect with smartphones and tablets to connect on it
so I need the server to host an access point.

Beware that while almost all usb wifi things that are said to work at
all will be a client, you are talking about what our stack calls
"hostap" mode. Some wifi adaptors support that and some do not.

Not what you asked, but check out Briar and Manyverse.

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