Subject: Re: PPPoE + fragmentation + bad hdr length
To: None <tech-net@netbsd.org>
From: Richard Braun <syn@sceen.net>
List: tech-net
Date: 10/05/2004 00:13:51
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On Mon, Oct 04, 2004 at 05:19:39PM -0400, Dan Fraser wrote:
> > On Mon, Oct 04, 2004 at 04:33:30PM -0400, Dan Fraser wrote:
> > What kind of router do you use for your PPPoE link? Does it do
> > mss-clamping?
>=20
> I'm using netbsd 1.6 PPPoE.  I see these problems on the local machine.
>=20
> PPPoE seems to set the interface MTU appropriately:
>=20
> pppoe0: flags=3D8851<UP,POINTOPOINT,RUNNING,SIMPLEX,MULTICAST> mtu 1464
>         inet 66.96.18.31 -> 69.90.48.1 netmask 0xff000000
>         inet6 fe80::280:c8ff:fef8:f2d3%pppoe0 -> :: prefixlen 64 scopeid =
0xa
>=20
> I do use ipnat for my home network, and I have it configured with
> mss-clamping.  It worked fine until yesterday.
>=20
> --=20
> Dan J. Fraser <dfraser@capybara.org>
> PGP: 0xF3972A01 (17 B7 24 90 27 05 B8 92  4F 7F 61 18 B9 D1 17 CE)
> "Verbing weirds language." -- Calvin
>=20

Try MTU 1454, MSS 1414... Hope it helps.

--=20
Richard Braun

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