[CentOS] [Solved]:Re: netmask set with ifconfig doesn't hold

BTW - that seemed to work, thanks.   putting /18 changed the netmask as i wanted.  I see that the PREFIX value in the corresponding ifcfg-<int> file changes accordingly also. thanks againK On Thursday, March 14, 2019, 11:58:57 AM EDT, Pete Biggs pete@biggs.org.uk wrote:

On Thu, 2019-03-14 at 15:42 +0000, KM via CentOS wrote:

I should have mentioned that I tried nmtui but found no settings for a netmask anywhere.  like I said …. dummy.

It's part of the IP address - so you put something like

192.168.0.1/24

for a 255.255.255.0 subnet.  It's called a CIDR address.

P.

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