On 7/15/21 2:39 PM, Ken Smith via CentOS wrote:
> Hi folks, I'm a bit confused about how to set up two network cards in
> different LANS in C8. I've done this multiple times in Centos6 and
> lower, but in the NetworkManager/systemd world I'm all at sea without
> any charts. (I'm sure there's a HKLM in there somewhere -sorry ;-)) and
> my Googlefoo is failing me this evening.
>
> Via the GUI it will let me configure one device or the other but not
> both :-(
>
> Anyway I want one NIC with IP 10.100.0.2/24 and GW 10.100.0.1
> and the other with IP 10.2.0.2/24 and no gateway.
>
> I've seen a method that removes NetworkManager and installs
> network-scripts then configures the ifcfg-eth0 and ifcfg-eth1 scripts.
> Interestingly the devices seem to be still called eth0 & 1 on this
> system which happens to be a VM. When I use this method the systemctl
> start network appears not to be able to find eth1.
>
> Is there a recommended way to do this? I'd prefer to use 'approved'
> techniques rather than work arounds.
>
> Any suggestions?
https://linuxconfig.org/rhel-8-configure-static-ip-address
https://www.tecmint.com/set-static-ip-address-in-rhel-8/
Both of those go over the 3 basic ways to set up IP addresses manually
(edit the script, use command line tool called nmcli, or use the curses
based TUI tool called nmtui.
Thanks,
Johnny Hughes
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