[OpenAFS-devel] Re: [OpenAFS] OpenAFS, Cisco VPN and MAC OS and mtu

Jeffrey Hutzelman jhutz@cmu.edu
Fri, 22 May 2009 16:52:06 -0400


--On Friday, May 22, 2009 02:36:45 PM -0500 "Douglas E. Engert" 
<deengert@anl.gov> wrote:

> I would suspect that the RX_REMOTE_PACKET_SIZE should at least be based
> on the smallest MTU of any interface that might be used.

That seems like a reasonable thing to do, in the case where we cannot tell 
which interface will be used and cannot do PMTU discovery (which, sadly, is 
non-trivial for user-mode UDP users on many UNIX platforms)