On 27 Apr 99 at 22:32, Dennis Dibbets wrote:
> Hi Guy's,
>
> I've got a problem. I'm using the ax25-protocol with a Baycom modem. I use
> ftp a lot to upload data to other hosts. But when i do this, my computer
> transmits too much at a time. This causes that the whole channel fills up,
> so that no other station in the area can work on the channel. I've set my
> mtu to 256.
>
> I've been told that the problem is the MRU-Setting. If it is the MRU, how
> can i configure this. In the manual of ifconfig is nothing to find about
> the MRU.
>
> If it ain't the MRU, what other thing can caus this?? I'm not so familiar
> with Linux, but i managed to get AX25 working under Linux..., that wasn't
> easy...
>
> I hope you can understand my bad english...ghihi
>
> Greetz...
>
> Dennis D.
> The Netherlands
I am afraid I am not understanding that MRU you mention.
To my knowledge, on the TCPIP implementations I know you have mtu,
that is, maximum transmission unit, and window, and maybe you have a
too large WINDOW.
Usually ( I don't want to be absolute) you fill the window with mtu
sized packets. That is, in numbers, with your mtu=256, if window is
256, it equals maxframe 1. If window (I am afraid it is your case) is
32768, divide 32768 / 256 and guess your maxframe. If large
maxframes, like using maxframe 7 are termed at times to be
antisocial, I am afraid that people in your neighboorhood must be
thinking something I do not dare to say....check your window.
Good luck !
73 de Jose, CO2JA
---
Ing. Jose A. Amador | Telf: (537) 20-7814
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