To enable the MOSAIC board to send data at maximum speed (~ 120 MB/s):

as root:
 ip route add <board_IP_address> advmss 32000 dev eth0




=======================================================================
To make permenent the change under Red Hat/SL WITH NetworkManager:
=======================================================================
Create a script in /etc/NetworkManager/dispatcher.d named 99-mosaic
#!/bin/sh
IF=$1
STATUS=$2
if [ "$IF" = "eth0" ] && [ "$STATUS" = "up" ]; then
   /sbin/ip route add 192.168.168.250 advmss 32000 dev $IF
fi

and make it executable
chmod +x 99-mosaic


=======================================================================
To make permenent the change under Red Hat/SL WITHOUT NetworkManager:
=======================================================================
create the file /sbin/ifup-local

#!/bin/sh
if [[ "$1" == "eth0" ]]
then
        ip route add 192.168.168.250 advmss 32000 dev $1
fi

and make it executable
chmod +x /sbin/ifup-local



=======================================================================
To make permenent the change under Debian/Ubuntu:
=======================================================================
create the file /etc/network/if-up.d/mosaic:
#!/bin/sh
ip route add 192.168.168.250 advmss 32000 dev $IFACE

make it executable:
chmod +x /etc/network/if-up.d/mosaic

edit the file /etc/network/interfaces and add the lines:

iface eth2 inet
	post-up /etc/network/if-up.d/mosaic