On Tue, Nov 27, 2007 at 04:22:23AM +0000, Sevan / Venture37 wrote:
quoted text
> > On Sunday 25 November 2007 00:00:45 Sevan / Venture37 wrote:
> >> Is the support for adjusting the mtu with VIA Rhine-II chipset based
> >> interfaces missing because of hardware limitations or because support for
> >> it hasn't been written yet??
> >>
> >> # ifconfig vr0 mtu 1492
> >> ifconfig: SIOCSIFMTU: Inappropriate ioctl for device
> >>
> >>
> >>
> >> Sevan / Venture37
> 
> > Appears to me that via hands out specs on a nda & case-by-case basis. Not
> sure
> > why soekris decided to use those chips in the net-5501. Actually they use
> via
> > rhine-III but they behave the same.
> > If you're routing to dsl you can workaround in pf.conf by putting a line
> like
> > scrub out on $ext_if max-mss 1452
> > in the normalization section.
> >
> > Regards,
> > Dorian
> >
> 
> Hi Dorian
> I'm aware of that option from reading the pppoe(4) man page, but I'm not too
> keen on the side effects, hence why I was asking on the list about the
> interface as I wouldn't mind testing a snapshot which did support it. The
> system I'm going to be using is a jetway mini-itx board with a vr interface
> built onboard & 3 re interfaces on a daughterboard, it'd be a shame to waste a
> gigabit interface for the pppoe connection.
> 

If you run pppoe over the vr(4) interface so why do you need to reduce the
MTU of the interface. Do you like to break your network before it is
working?

-- 
:wq Claudio