From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Subject: Re: [Bluez-users] how get differenced two simultaneous bnep interfaces with the same IP address in a single Bluetooth dongle? From: Marcel Holtmann To: BlueZ Mailing List In-Reply-To: <4219DBCF.6040300@teltronic.es> References: <4219DBCF.6040300@teltronic.es> Content-Type: text/plain Message-Id: <1109026258.7626.7.camel@pegasus> Mime-Version: 1.0 Sender: bluez-users-admin@lists.sourceforge.net Errors-To: bluez-users-admin@lists.sourceforge.net Reply-To: bluez-users@lists.sourceforge.net List-Unsubscribe: , List-Id: BlueZ users List-Post: List-Help: List-Subscribe: , List-Archive: Date: Mon, 21 Feb 2005 23:50:58 +0100 Hi Esteban, > I am working with a single USB dongle in a Linux laptop with BlueZ > and two PAN-profile access points connected to the same LAN. Each access > point is implemented with a PC with bridge-utils and bluez packets > installed. I stablish two simultaneous PAN connectionsfrom the laptop: > each one to a different access point. Having both connections would > prevent the loss of data between the LAN and the laptop. I would like to > receive all the packets through both connections, in order to have > redundancy. this sound like a job for the Netfilter. > I configure both resulting bnep interfaces to have the same IP > address, since I don't want the other side of the communication to know > the existence of two different paths. When I do "ifconfig" in the > laptop, I realize that both bnep interfaces show the same hardware > address, which would let my laptop receive each packet from the LAN > twice. But the reality is that only one of the interfaces at a time > receives the packets. The hardware of every BNEP virtual network card is taken from the BD_ADDR of the local dongle. However how do you expect that using the same IP address should work anyway. The bnepX devices are a virtual network and they react the same like ethX. > I would like to know if this issue depends on the bnep > implementation and also would like to know how can the net make > differences between both interfaces, as they have same MAC and IP addresses. This is not a BNEP issue, because it is only sending/receiving what the network subsystem tolds it. Ask the Linux network guys for this kind of specific thing you wanna do. Regards Marcel ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click _______________________________________________ Bluez-users mailing list Bluez-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bluez-users