Netmask Issue Solved In Fedora 10

In Fedora 10 there is problem in Netmask Changing. if you open system-
config-network and then you are entering STATIC IP SUBNET AND GATEWAY
that will show you all ok but after that when you click on OK then it
will not save your subnet mask. Again when you look at system-config-
network then your SUBNETMASK will replaced with your GATEWAY.

so if you want to save your SUBNET MASK permanently then follow this

First take backup of your original /etc/sysconfig/network-scripts/
ifcfg-eth* file

then go to
cd /etc/sysconfig/network-scripts/

vim ifcfg-eth0

and search for NETMASK=

and then write your NETMASK right after equal to like

if any correction or mistake please let me know all your suggestions
are welcome.