Amending a netmask

[columb]

I have a server running Redhat ES4. I need to change the netmask on eth0 from 24 bit to 23 bit.

I intend to use the GUI, or would you recomment

ifconfig netmask 255.255.254.0 eth0

from a command line

My main question is do I need to do anything else (bounce the server, restart the card?) to make the changes live.

Thanks

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Columb Healy

 

[Kozusnik]

Since it's RedHat, I'd su to root and run...
service network restart

It only takes a few seconds.
Mark

 

[Annihilannic]

To make the changes permanent the /etc/sysconfig/network-scripts/ifcfg-ifname file needs to be updated with the new netmask, however if you use the GUI it should do this for you.

Annihilannic.

 

[columb]

Thanks guys, I'll do both.

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Columb Healy