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Old 19th July 2010
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jggimi jggimi is offline
More noise than signal
 
Join Date: May 2008
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No, that is the maximum.

(Ethernet is limited to 1500 byte packets. See http://en.wikipedia.org/wiki/Maximum_transmission_unit for details.)

MTU is not generally considered a "tuning" knob. In general, one reduces it from 1500 downward, in Ethernet networks, in order to manage special purpose network configurations, such as PPPoE.

For more guidance on OpenBSD network knobs, please read www.openbsd.net/faq/faq6.html#Tuning
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