>Maybe it's because I use an older serial port, a 16450, and it can't
>handle a MTU of 1400?
Naw.. the main reason for the upgrade from 16450 to 550, 550A, 650, and
now 750s are more buffering at higher serial port rates. MTU is a
TCP/IP issue.
>What are common setting for MTU of a modem?
I always liked 470 for low latency with good FTP throughput on a
~28.8k link.
>I want to try a greater MTU setting to improve performance. Now I use
>864 for the MTU setting. Also, I couldn't find anything on MRU
>settings, so I don't know hom to change them.
Its in the PPPd man page.
--David
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