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setting the DF bit on a UDP BSD socket in OS X

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setting the DF bit on a UDP BSD socket in OS X

Subject: setting the DF bit on a UDP BSD socket in OS X
From: Ivan Beschastnikh <email@hidden>
Date: Tue, 11 Jul 2006 17:06:23 -0700

Hello,

I'm trying to set up a UDP socket that sends datagrams with the DF bit set in the IP header. Looking at the 'man ip' page and a 'man getsockopt' page it doesn't seem like you support the BSD's IP_DONTFRAG option nor do you have an IP_MTU_DISCOVER option as on Linux.

I looked everywhere on the web but can't find out whether you actually support setting the DF bit on BSD sockets and if so, what is the API for doing this. Any advice on this would be much appreciated.


thanks,

ivan.
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