On Tue, Nov 27, 2007 at 04:22:23AM +0000, Sevan / Venture37 wrote: > > 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
