[B.A.T.M.A.N.] Multiple DHCP Gateways

[gtolon@inti.gob.ar]

Hi

I´m testing the Gateway roaming capabilities of Batman-adv (using 
2011.1.0 version). I setted two computers as Gateway servers with DHCP 
servers running on them and other as Gateway client, configured as class 
3. Then i stressed individually the Gateway server´s links to make the 
client choose the not stressed one. I confirmed that when te client 
sends a layer 3 broadcast DHCP request, Batman redirects that request 
only to the best gateway. However, when the original gateway becomes 
worse than the alternative, and the client chooses the new one as 
preferred (observed with batctl gwl) i noticed that the subsequent 
request DHCP messages are sent to the original server, even if it 
doesn´t have the best link.

I guess that´s because these subsequent DHCP requests are made as 
Unicast to the original server and so Batman doesn´t redirect them, but 
i wonder how this behavior affects the network balance, because the 
computers would get tied always to the original DHCP and IP default 
gateway even if they moved, right?

Thank you very much