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Date:      Thu, 14 May 2009 09:31:52 +0100 (BST)
From:      Iain Hibbert <plunky@rya-online.net>
To:        Daniel O'Connor <doconnor@gsoft.com.au>
Cc:        freebsd-bluetooth@freebsd.org
Subject:   Re: btpand example
Message-ID:  <1242289912.789883.948.nullmailer@galant.ukfsn.org>
In-Reply-To: <200905141438.17380.doconnor@gsoft.com.au>
References:  <200905141438.17380.doconnor@gsoft.com.au>

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On Thu, 14 May 2009, Daniel O'Connor wrote:

> Also, I found the MTU by trial and error, 600 works for me, 650 does
> not. I am guessing this is a bluetooth thing but I'm not sure.. If it
> is would it be possible for btpand to set the MTU?

Why did you think to change the MTU and what was the failure?

btpand itself doesn't actually care about the interface MTU and I talk to
a WinMo 6.0 system fine (from NetBSD) with default ethernet MTU of 1500.

On the bluetooth side, the BNEP minimum MTU is 1691 but we won't send
anything bigger than as we don't create any extension headers in client
mode. Packets will be what came from the tap.

regards,
iain



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