Unanswered questions on what determines the max connection of a wlan NIC on AP mode
sgoswami at umich.edu
Fri Mar 28 19:37:38 EST 2003
I think there is a lower limit, the Association ID field of an AP can
have values between 1 and 2007.
From: hostap-admin at shmoo.com [mailto:hostap-admin at shmoo.com] On Behalf
Of John Breeden
Sent: Friday, March 28, 2003 2:59 PM
To: Hostap at Shmoo. Com
Subject: RE: Unanswered questions on what determines the max connection
of a wlan NIC on AP mode
OK, I'll bite:-)
david jaoui askes:
"How many computers max in a wireless LAN . Not a regarding the bandwith
to share behind"
Simple, 802.11 uses ethernet addressing - 24 bits. Therefore the max is
2 to the 24th power - 2 (broadcasts). That's 16,777,214 "computers".
Your acual milage may vary :-)
The acual limit is usally reached when it stops working ...
From: hostap-admin at shmoo.com [mailto:hostap-admin at shmoo.com]On Behalf Of
Sent: Friday, March 28, 2003 8:15 AM
To: hostap at shmoo.com
Subject: Unanswered questions on what determines the max connection of a
wlan NIC on AP mode
This is a very cryptic topic.
It's quite impossible to have an official answer.
Everyone gives a different answer or don't answer clearly.
How many concurrent connections can a PCMCIA (ie prism) in AP mode (ie
hostap) can accept ?
(= How many computers max in a wireless LAN . Not a regarding the
bandwith to share behind)
You can buy, for example, 3 different types of 3com access points :
3CRWE20096A-E1 up to 128 users
3CRWE60092A-E1 up to 65 users
3CRWE80096A up to 256 users
But when you ask what makes the difference technically between those
models, nobody answers or not clearly.
What determines the limit ?
Is it the chipset of the NIC itself ?
If yes, does the chipset version plays a role (comparison between prism
2 and prism 2.5) ?
If yes, does the firmware plays a role ?
If tertiary firmware used (no hostap), is-it more powerful ?
Is-it regarding the embedded RAM of the whole device (Access point or
embedded PC with motherboard soekris-like) ? Explanation according to
some people : The connections management table is as big as the size of
embedded RAM allows.
If someone qualified could answer to that question, it would be very
helpful in order to demistify that topic,
Thanx in advance
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