Where to set MTU and MRU in Linux ?

[hungarian]

http://www.linuxnewbie.org/ubb/confused.gif
Now, where, in which file or program can I set the Maximum Transmission Unit and Maximum Receive Unit in Linux in general ? In the past I managed to do this with the netcfg tool but in the new version these options are not there any more. Ahhh, why not ??
I found that by setting both to the max:1500 my download speed improved, so I would be keen to set it on my new distro as well. RH7

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http://homepages.paradise.net.nz/frankkru

[bkurt]

You enter these values in /etc/ppp/options. Just add:
mtu xxx
mru xxx
and that should do it. There is also a way to do it in kppp if you use that, but I can't remeber that off hand. You would have to check out the FAQ on kde.org for that one. Hope this helps.

[hungarian]

http://www.linuxnewbie.org/ubb/smile.gif
Thanks for the quick reply bkurt.

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http://homepages.paradise.net.nz/frankkru

[Strike]

You can laso set it with ifconfig IIRC