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> -----Original Message-----
> From: Christoph Sold [mailto:[EMAIL PROTECTED]]
> Sent: Friday, November 03, 2000 2:40 AM
> To: Timothy L. Robertson
> Subject: Re: Flaky IP Connection
>
> IIRC, a recent article in german magazine c't discussed this problem:
> Since PPPoE needs room for PPP headers in each ether packet, you loose
> 12 bytes per packet. Your remote site announces this correctly, causing
> packet fragmentation.
>
> maybe I'm wrong, so please anybody speak up with more experience in
> networking?
>
> HTH
> -Christoph Sold
>
>

This makes sense.  The MTU reported by tcpdump seems to always be 12 bytes
less
than the MTU I set tun0 to.  What do I do about it, though, to keep my
connection flowing?  The TCP/IP stack is supposed to probe routers by
setting
the don't fragment bit and watching for icmp packets and set the MTU in
routing
tables accordingly, but I get the feeling something is not working right
here.
Should I ask this question of freebsd-bugs?

- -Tim

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