Changing MTU size
Bennett, Joe
remailer at ka3nam.com
Wed Sep 22 21:05:00 CDT 2004
While poking and proding around I've found that my particular linksys router
is very sensitive to mtu size. I'm running Suse 9.0 which defaults the mtu
size to 1500 (as I would assume all other do)upon reboot. Since I'm a slave
to sbc dsl, and am living with the 8 byte overhead of PPPOE, my mtu size
needs to be 1492. If I reboot the machine, the mtu reverts back to the
default and becomes basically useless on the net until I open up a terminal
and perform an /sbin/ifconfig eth0 mtu 1492. After that, all is well with the
world.
Now, on with the question. What is the best way to automate the mtu change to
1492 or is there a way to just change the default???? I'm attempting to limit
my maintenance on this machine in the event that someone reboots it, or the
UPS runs to the end of its rope when the power fails....
Ideas???
-Joe
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