Re: Configuring IP

[Geoffrey Leach]

Thanks for the reply. It seems that the root of my problem was that the
connection defaulted to Automatic. Changing that to Manual seems to
have resolved the issue.

On Wed, 23 Mar 2022 14:47:47 -0500
Roger Heflin  wrote:
> if network manager is running and has not been told to not "manage"
> the connection it will manage the connection.
>
> You need to probably configure it via network manager or via the
> ifcfg-* files (making sure to find and set the correct variables to
> tell network manager to keep its hands off ,or disable
> network-manager in systemd).
>
> I am still using the ifcfg files and disabling network manager and
> will be on non-laptops while some variant of those ifcfg-* files
> still work.
>
> I generally never use ifconfig/ip addr except for a quick test/one
> time emergency use since those settings do not survive reboot.
>
> On Wed, Mar 23, 2022 at 2:28 PM Geoffrey LeachThanks for the reply. It

seems that the root of my problem was that the
connection defaulted to Automatic. Changing that to Manual seems to
have resolved the issue.

On Wed, 23 Mar 2022 14:47:47 -0500
Roger Heflin  wrote:
> if network manager is running and has not been told to not "manage"
> the connection it will manage the connection.
>
> You need to probably configure it via network manager or via the
> ifcfg-* files (making sure to find and set the correct variables to
> tell network manager to keep its hands off ,or disable
> network-manager in systemd).
>
> I am still using the ifcfg files and disabling network manager and
> will be on non-laptops while some variant of those ifcfg-* files
> still work.
>
> I generally never use ifconfig/ip addr except for a quick test/one
> time emergency use since those settings do not survive reboot.
>
> On Wed, Mar 23, 2022 at 2:28 PM Geoffrey Leach
>  wrote:
> > I have an ethernet connection (to a SiliconDust box) that requires a
> > netmask 255.255.0.0. So, no problem
> >
> > % ifconfig eno1 192.168.10.6  netmask 255.255.0.0
> > % ifconfig eno1
> > eno1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
> >         inet 192.168.10.6  netmask 255.255.0.0  broadcast
> > 192.168.255.255
> >
> > some time later ...
> >
> > % ifconfig eno1
> > eno1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
> >         inet 192.168.10.6  netmask 255.255.255.0  broadcast
> > 192.168.10.255
> >
> > Any ideas on why the change does not stick?
> >
> > Thanks
>
>  wrote:
> > I have an ethernet connection (to a SiliconDust box) that requires a
> > netmask 255.255.0.0. So, no problem
> >
> > % ifconfig eno1 192.168.10.6  netmask 255.255.0.0
> > % ifconfig eno1
> > eno1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
> >         inet 192.168.10.6  netmask 255.255.0.0  broadcast
> > 192.168.255.255
> >
> > some time later ...
> >
> > % ifconfig eno1
> > eno1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
> >         inet 192.168.10.6  netmask 255.255.255.0  broadcast
> > 192.168.10.255
> >
> > Any ideas on why the change does not stick?
> >
> > Thanks