hostapd and 802.11r

Ben Greear greearb at
Tue Mar 15 08:58:14 PDT 2016

On 03/15/2016 03:03 AM, M. Braun wrote:
> Am 10.03.2016 um 18:36 schrieb Ben Greear:
>> We have a management port (eth0) on the system, and that is the one that
>> should be used
>> for inter-hostapd communication.
> That is exactly what ft_bridge is designed for, so it will certainly
> need extra patches. The most recent version was posted as "[PATCH 00/44]
> Improvements for roaming" (2016-02-24) on the hostapd mailing list.
>> We want to be able to support routed mode as well
>> as bridged mode with hostapd, and either way, it will not be using eth0
>> for any data traffic.
> I've seen stations that do and that do not perform an DHCP REQUEST after
> roaming, so I think that might require extra steps like extra per-sta
> routes or getting the station to change its ip. Hostapd will currently
> not exchange (push/pull response) an sta ip address information during
> 802.11r roaming.

I didn't think about that part, so yeah, I guess we will use bridged
mode for now.  I still want the management traffic over a different
interface.  I'll check out the patches you mentioned.


> Regards,
>   M. Braun
> _______________________________________________
> Hostap mailing list
> Hostap at

Ben Greear <greearb at>
Candela Technologies Inc

More information about the Hostap mailing list