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Bullet Dodger Apprentice
Joined: 16 Jul 2005 Posts: 230
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Posted: Mon Feb 21, 2011 7:44 pm Post subject: Linux router |
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I'm planning on building a linux wifi router. I would like to support both 2.5Hz 'b' and 5Hz 'n' devices. I have so far assumed that this will require 2 wifi cards, Is this correct?
Or are all/some (mini PCIe) wifi cards capable of allowing both g and n devices to connect at the same time? |
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NeddySeagoon Administrator
Joined: 05 Jul 2003 Posts: 54244 Location: 56N 3W
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Posted: Mon Feb 21, 2011 7:58 pm Post subject: |
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Bullet Dodger,
Some cards do b/g/n but I can't think of one just now.
They don't actually do all three standards at the same time, its only one transmitter/receiver. Instead, they time division multiplex between the standards as required by the the associated devices.
If you want to maximise available bandwidth, you want two cards, one for g and one for n, however, they will need to be on separate subnets.
Start with one card and see if it works well enough for you. _________________ Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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Bullet Dodger Apprentice
Joined: 16 Jul 2005 Posts: 230
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Posted: Mon Feb 21, 2011 9:09 pm Post subject: |
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Ok, Thanks.
I have seen cards advertised as b/g/n, but I thought they only operated as 1 or the other. I didn't thnik they multiplexed as required, but thinking about it now, it seems obvious that they would.
It is only a home router and some homes might get away with just 1 wifi card, but as I have 5 wifi enabled devices in my house I think 2 wifi cards is the way to go.
Also part of the reason for wanting an 'n' router is the 2.5GHz bandwidth seems to be getting crowded around here. Or rather I can see a lot of wifi devices that I have assumed are on 2.5GHz. Is there any way to find out what is on 5GHz and what is on 2.5GHz, using just a mac book or a b/g/n wifi enabled gentoo?
So far the plan is to use a zotac nm10-a-e mini itx motherboard.
This gives me 2 mini PCIe slots.
The PCIe x1 will be unusable as I am planning on using this case M350.
The motherboard comes with a AzureWave mini-PCIe wireless card. I'll try to setup this card, then buy a 2nd 1. Possibly intel as they have support in the kernel.
I am also wanting to make this into a 2TB time capsule.
There aren't many 2TB slim 2.5" HDD's about, but they do exist.
HITACHI HD SERIAL 2TB
Cheers |
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cwr Veteran
Joined: 17 Dec 2005 Posts: 1969
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Posted: Tue Feb 22, 2011 8:35 am Post subject: |
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I'm pretty sure that Kismet will do most of the scanning that you want.
Apparently it has OSX support (as well as Linux).
Will |
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Mark D. Craine n00b
Joined: 24 Feb 2011 Posts: 5
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Posted: Thu Feb 24, 2011 7:18 am Post subject: |
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I have a wifi router of a company and he was working with Linux very well but the Dialup router is not working well and i want to work with dialup router _________________ Great men undertake great things because they are great; fools, because they think them easy. |
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