Have you tried with Network Manager , after all this is the thing that manages all networks:
[root@system ~]# nmcli connection add con-name dummy0 ifname dummy0 type dummy
Connection 'dummy0' (9fdd74fa-c143-4991-9bac-0e542704ac89) successfully added.
[root@system ~]# reboot
Shared connection to glustera closed.
[root@system ~]# nmcli connection show
NAME UUID TYPE DEVICE
dummy0 9fdd74fa-c143-4991-9bac-0e542704ac89 dummy dummy0
[root@system ~]# ip a s dummy0
3: dummy0: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
link/ether ce:c9:83:97:10:ee brd ff:ff:ff:ff:ff:ff
inet6 fe80::599:a978:9457:df10/64 scope link noprefixroute
valid_lft forever preferred_lft forever
Best Regards,
Strahil Nikolov
В вторник, 27 октомври 2020 г., 02:42:06 Гринуич+2, Frank Even <lists+centos.org@xxxxxxxxxxxx> написа:
Anyone have any ideas? It's rather annoying that I can't get these to
persist across reboots without using some kind of helper script.
On Fri, Oct 16, 2020 at 6:37 AM Frank Even
<lists+centos.org@xxxxxxxxxxxx> wrote:
>
> Hello all, hoping someone can help me out here.
>
> I cannot get dummy interfaces on a new Cent8 build to persist across reboots.
>
> On Cent7 - this is the process I use:
>
> Create Dummies:
> # cat /etc/modules-load.d/dummy.conf
> dummy
> # cat /etc/modprobe.d/dummyopts.conf
> options dummy numdummies=4
> # ip link add dummy0 type dummy
> ## - repeating a/ ascending dummyN adapters for as many needed
> # service network start
> # dracut -f
>
> Now this was different than even how 6 handled it, forget how I
> finally dug that up (possible I even asked here). I've applied this
> same configuration to a Cent8 box I'm trying to stand up and it all
> appears to work fine, but unlike the Cent7 boxes, when the Cent8 box
> comes back up, all the dummy adapters are missing. I've been
> searching all over trying to find some documentation on this to no
> avail. I'm hoping someone has some suggestions here to help out.
>
> Thanks,
> Frank
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