Hi! > If any of you have tested what happens to the ability of a box to > perform well when it has a small MTU you will know that setting the > MTY to (say) 56 on a diskless thing is a VERY VERY bad idea when NFS > read/write packets are generally 8k in size. Do not try it on a NFS > thing unless you plan to reboot it, ok ? Last time I did this was > when I worked out you could fragment packets inside the TCP header > and that lesson was enough for me ;_) AFAI can remember, there's minimum MTU defined for IP (something like 576)... ...and then there are networks like hamradio that use lower MTU. They are really non-compliant, but Linux wants them to work. Pavel -- Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt, details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html.
This archive was generated by hypermail 2b30 : Sun Jul 15 2001 - 22:16:56 PDT