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carbon
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PostPosted: Thu Aug 14, 2003 1:07 pm    Post subject: where do you set MTU in gentoo Reply with quote

where do you set MTU in gentoo?
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compu-tom
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PostPosted: Thu Aug 14, 2003 1:26 pm    Post subject: Reply with quote

Take a look at /etc/conf.d/net.ppp0:
Code:
[...]
MRU="768"                       # Sets the MRU
MTU="768"                       # Sets the MTU
[...]


The file is part of net-dialup/ppp and sys-apps/baselayout.
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carbon
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PostPosted: Thu Aug 14, 2003 1:48 pm    Post subject: Reply with quote

what MRU
a larger value is suppose to make the recieve end able to recieve larger chunk of data?
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devon
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PostPosted: Thu Aug 14, 2003 10:35 pm    Post subject: Reply with quote

IIRC, the MTU/MRU of both ends are negogiated when the two hosts establish their TCP connection. So if one end hads a MTU of 1500 bytes and the receiving end has a MRU of only 1492, the sender will send packets =<1492 and not the full 1500.

Check out http://www.faqs.org/rfcs/rfc879.html
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