udp fragmentation
Hugo Koji Kobayashi
koji at registro.br
Mon Jun 4 20:20:35 UTC 2007
Hi,
Yes. It increments every time I run that dig command. Before this
test, I had run it twice.
Regards,
Hugo
On Mon, Jun 04, 2007 at 10:00:03PM +0200, Max Laier wrote:
> Hi again,
>
> On Monday 04 June 2007, Hugo Koji Kobayashi wrote:
> > pf is running on the DNS client machine. The DNS server is on a
> > completely different network (I don't control this server). The client
> > can send the udp request with no problem (it's a small udp datagram;
> > less than 512 bytes), the server sends the udp response fragmented,
> > but the client can't receive it.
> >
> > Please, find attached a new test with the requested information.
>
> > udp:
> > 36 datagrams received
> > 2 with bad checksum
> > 34 delivered
> > 40 datagrams output
> <test>
> > udp:
> > 36 datagrams received
> > 3 with bad checksum
> > 33 delivered
> > 41 datagrams output
>
> Aha! Can you confirm that "bad checksum" increases for every fragmented
> packet and I'll look for a cure.
>
> --
> /"\ Best regards, | mlaier at freebsd.org
> \ / Max Laier | ICQ #67774661
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