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Re: weird IPv6 packet dropping with 6to4

On Sat, Sep 05, 2009 at 05:35:21PM -0400, Taylor R Campbell wrote:
>    Does access to over IPv6 work better for you?
>    My A-DSL router has an outgoing 6to4 tunnel with an MTU of 1280
>    which should avoid fragementation problems.
> No.  I can fetch the main page OK, but if I attempt to download, say,
> <>,
> it stalls partway through just like with <>.

So it looks like it is neither an MTU nor an MSS issues.

> Still I see TCP retransmissions on fxp0 (external) and stf0, but not
> on ex0 (internal).

Does "tcpdump -i pflog0" report any drop packets?

        Kind regards

Matthias Scheler                        

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