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Bnep/Broadcast

Bluez-users Patrick Stuedi 2 participants 8 messages Feb 1, 2005 Bluetooth drivers

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lore
#0 lore raw

Hi,

My question is conerning broadcast in a PAN. What if I got 2 slaves connected to master using 'pand --connect' and 'pand --listen' while sending IP broadcast messages from one of the slaves, will the messages be heard by both, the master and the slave node?

Thanx for any help.
-- Patrick

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#1 lore raw

Hi Patrick,

Quoted 4 lines

My question is conerning broadcast in a PAN. What if I got 2 slaves connected to master using 'pand --connect' and 'pand --listen' while sending IP broadcast messages from one of the slaves, will the messages be heard by both, the master and the slave node?

if they are configured correctly and if you use a bridge on the master side there should be no problem with IP broadcasts.

Regards

Marcel

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#2 lore raw

..so that means it doesn't work unless I bridge things on the master? -- Patrick

Quoted 18 lines · Marcel Holtmann

Hi Patrick,

Quoted 3 lines

My question is conerning broadcast in a PAN. What if I got 2 slaves connected to master using 'pand --connect' and 'pand --listen' while sending IP broadcast messages from one of the slaves, will the messages be heard by both, the master and the slave node?

if they are configured correctly and if you use a bridge on the master side there should be no problem with IP broadcasts.

Regards

Marcel

Quoted 11 lines

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#3 lore raw

Hi Patrick,

Quoted 1 line

..so that means it doesn't work unless I bridge things on the master?

if you don't bridge on the master you have two virtual networks cards, named bnep0 and bnep1. How would you broadcast on two different devices?

Regards

Marcel

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#4 lore raw

...thank you for the answer marce. The reason I ask all this stuff is because I heard in Bluetooth is there is some pico-wide broadcast mechanism called ASB or Active Slave Broadcast and I wondered how this is mapped to Bnep.

Regards,
Patrick

Quoted 18 lines · Marcel Holtmann

Hi Patrick,

Quoted 3 lines

..so that means it doesn't work unless I bridge things on the master?

if you don't bridge on the master you have two virtual networks cards, named bnep0 and bnep1. How would you broadcast on two different devices?

Regards

Marcel

Quoted 11 lines

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maintainer
#5 lore raw

Hi Patrick,

Quoted 4 lines

...thank you for the answer marce. The reason I ask all this stuff is because I heard in Bluetooth is there is some pico-wide broadcast mechanism called ASB or Active Slave Broadcast and I wondered how this is mapped to Bnep.

there is no mapping. BNEP is point-to-point and then you use TCP/IP on top of it.

Regards

Marcel

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#6 lore raw
In reply to Marcel Holtmann

...and, sorry, what if the master sends an IP broadcast, will it be received by both slaves? thank you.
-- Patrick

Quoted 18 lines · Marcel Holtmann

Hi Patrick,

Quoted 3 lines

My question is conerning broadcast in a PAN. What if I got 2 slaves connected to master using 'pand --connect' and 'pand --listen' while sending IP broadcast messages from one of the slaves, will the messages be heard by both, the master and the slave node?

if they are configured correctly and if you use a bridge on the master side there should be no problem with IP broadcasts.

Regards

Marcel

Quoted 11 lines

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#7 lore raw

Hi Patrick,

Quoted 2 lines

...and, sorry, what if the master sends an IP broadcast, will it be received by both slaves?

from master (with a bridge) to the slaves should work fine. I am not sure about the other way around, but I think this depends on the configuration of your bridge.

Regards

Marcel

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