Re: Question on Multiple BSSID support

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On Wed, May 18, 2016 at 11:07:30AM -0700, Ann Lo wrote:
> The hostapd configuration allows for multiple BSSID support, with the
> following comment:
> 
> #bss=wlan0_0
> #ssid=test2
> # most of the above items can be used here (apart from radio interface specific
> # items, like channel)
> 
> Would you advise whether it is OK to define the following
> configurations differently for each BSSID? We are using ath10k driver.
> 1) WMM parameters
> 2) Station inactivity limit
> 3) max_num_sta
> 4) WPA/IEEE 802.11i configuration

As far as hostapd is concerned, most of the WMM parameters are shared
between all virtual BSSes that use the same radio, i.e., tx_queue_* and
wmm_ac_* parameters are global for each radio. I'd expect most drivers
to have similar restriction at least for tx_queue_*. In theory, wmm_ac_*
could likely be made to use different values for each BSS with a hostapd
change since these only impact what is being advertised in various
management frames. tx_queue_* would likely be more difficult due to
driver/hardware restrictions.

The other items on the list are per-BSS in hostapd and will likely work
with most drivers as per-BSS parameters as well, so different values can
be used for each BSS.

-- 
Jouni Malinen                                            PGP id EFC895FA

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