Re: FreeBSD 13.0-RC1 ethertype IPv6 (0x86dd), length 2942 on 1500 MTU

From: Lars Schotte <lars_at_gustik.eu>
Date: Mon, 08 Mar 2021 23:38:11 +0100
Oh,

I am afraid I have to correct myself once again.
I was expecting the change to take effect immediately,
however, after closing all connections to the system,
it indeed seems to have helped to remove TSO6.

Thanks for the quick fix.

However, I will keep an eye on it,
I will do more testing tomorrow.

On Mon, 2021-03-08 at 23:28 +0100, Lars Schotte wrote:
> Hi,
> thanks for you fast reaction.
> 
> I was sceptical about this, since it contrary to my expectations
> indeed
> does affect IPv4 as well, but I tried it anyway and the result is
> NEGATIVE.
> 
> Removing TSO6 does not help with it, it still spills out crazy sized
> Ethernet frames of ~4000 and so on.
> 
> On Mon, 2021-03-08 at 17:22 -0500, Ryan Stone wrote:
> > Hi Lars,
> > 
> > Do you see the TSO6 option enabled on your vtnet interface?  Do you
> > see normal packet sizes if you disable it with "ifconfig vtnet0
> > -tso6"?  Does it actually fix your IPv6 issue?
-- 
 Lars Schotte
 Mudroňova 13
92101 Piešťany
Received on Mon Mar 08 2021 - 21:38:09 UTC

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