netdev - Re: sending IP pkgs form user space on a specific interface?

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Date:	Thu, 03 Feb 2011 14:41:07 -0800
From:	Ben Greear <greearb@...delatech.com>
To:	Joakim Tjernlund <joakim.tjernlund@...nsmode.se>
CC:	netdev@...r.kernel.org
Subject: Re: sending IP pkgs form user space on a specific interface?

On 02/03/2011 02:14 PM, Joakim Tjernlund wrote:
> Ben Greear<greearb@...delatech.com>  wrote on 2011/02/03 23:03:53:
>> From: Ben Greear<greearb@...delatech.com>
>> To: Joakim Tjernlund<joakim.tjernlund@...nsmode.se>
>> Cc: netdev@...r.kernel.org
>> Date: 2011/02/03 23:03
>> Subject: Re: sending IP pkgs form user space on a specific interface?
>>
>> On 02/03/2011 01:55 PM, Joakim Tjernlund wrote:
>>>
>>> Is there a way to specify what I/F a IP pkg should be sent
>>> out on?
>>>
>>> I have multiple ppp I/Fs with the same local and remote address
>>> and I need to specify what interface to send OSPF protocol
>>> messages to.
>>
>> Check out SO_BINDTODEVICE.
>
> Thanks, can do setsockopt(s, SOL_SOCKET, SO_BINDTODEVICE, ..) for
> each I/Fs I need tx pkgs over?
> How do I unbind to any I/F?
>
> If possible, I would like to specify the I/F in the pkg overhead.

Man-pages and google should find those answers.
You could put my name in your search as well, if you want..I know I've
posted sample code in the past to some mailing list or another.

Thanks,
Ben

>
>     Jocke
>
> --
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-- 
Ben Greear <greearb@...delatech.com>
Candela Technologies Inc  http://www.candelatech.com

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