> -----Original Message----- > From: Emmanuel Seyman [mailto:seyman@xxxxxxxxxx] > Sent: Thu, June 26, 2003 10:02 PM > To: shrike-list@xxxxxxxxxx > Subject: Re: How to prevent IP fragmentation > > > On Thu, Jun 26, 2003 at 10:39:48AM +0200, Pavel Rozenboim wrote: > > > > I have a shrike and psyche boxes, which reside in different > subnets that are > > connected through Win2k router. Whenever I send a long > packets between them > > I get a "Destination unreacheable" response saying > "Fragmentation needed" > > from a router. In ethernet sniffer I see that both boxes set a don't > > fragment flag in the IP header. Is there a way to prevent > this behavior. > > Run the command "echo 1 > /proc/sys/net/ipv4/ip_always_defrag" . > > If you want to make it a permanant setting, put this in > /etc/sysctl.conf > and run the command "service network restart": > > # Enables automatic defragmentation > net.ipv4.ip_always_defrag = 1 Emmanuel, There is no such file in /proc/sys/net/ipv4 directory.
