This tip will speed up network access. It is not supported on all nic cards. If it is not the card can be reset to the original settings.
1. Open a xterm or konsole.
2. su to root user
3. Enter the following command:
ifconfig eth0 mtu 9000
4. Stop and start the eth0 interface:
ifdown eth0
ifup eth0
5. If the above works, this can be made permanent between reboots by editing the appropriate /etc/sysconfig/network/ifcfg-xxx device file and adding:
MTU = '9000'
6. Open a browser and test the setting. If it does not work reset network card using command below:
ifconfig eth0 mtu 1500
ifdown eth0
ifup eth0