Linux-Hams archive - August 1997: Re: mss-window-mtu

Re: mss-window-mtu

Terry Dawson (terhi.victor@logonet.com)
Mon, 18 Aug 1997 08:37:32 +1000


Julian Munoz wrote:

> > I found that the baycom driver doesn't want to decode frames of 512. So
> > I set my mtu to 256 and it worked fine. (maybe someone knows how to get
> > the driver working with 512 frames ??)
>
> That's not standard. Why do you want to use so big frames ??? You are not
> doing packet radio ! :-)

I use an MTU of 512 and Paclen of 512. AX.25 UI frames are limited
in length the same way that its connected mode frames are, so MTU/PACLEN's
exceeding 256 octets are perfectly reasonable.

Why fragment at all when you don't need to ?

Terry