Question on 802.11r

[Krishna Chaitanya]

On Tue, Nov 12, 2013 at 5:20 PM, Nicolas Cavallari
<Nicolas.Cavallari at green-communications.fr> wrote:
> On 12/11/2013 12:34, Krishna Chaitanya wrote:
>> On Tue, Nov 12, 2013 at 3:58 PM, Nicolas Cavallari
>> <Nicolas.Cavallari at green-communications.fr> wrote:
>>> See 802.11-2012 4.3.4.2.  Roaming must be transparent to the LLC layer.
>>
>> Dont change the wording :-).
>>
>> "STAs within an ESS may communicate and mobile STAs *may* move from
>> one BSS to another (within the same ESS) transparently to LLC."
>>
>> It doesnt mandate, but it allows.
>
> Which proves my point: STA are not mandated to do or support L2 roaming, but they are
> (always) allowed to do it.  Your ESS must be able to handle them.

STA can do L2 roaming, but it can also do L3 roaming. So how does the
STA which it is
doing without the DHCP handshake? Because STA initiates the DHCP not
the network.