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I set up several network interfaces in a kickstart file, including like this:
network --device=eno3 --mtu=9000 --bootproto=static --ip=10.0.8.5 --netmask=255.255.255.0 --noipv6 --activate
Everything was set except for the MTU - it was not set during install or on the installed system (no MTU= line at all in ifcfg files).
Created attachment 1839465[details]
anaconda journal.log
One thing I didn't think but could matter - this kickstart sets the network config in a %pre script that's then %included.
Reproduced on RHEL-8.5 using the "network-options-pre" kickstart-test:
*** Failed check: DEFROUTE=no in /etc/sysconfig/network-scripts/ifcfg-enp2s0 or ipv4.never-default=true in /etc/NetworkManager/system-connections/enp2s0.nmconnection
*** Failed check: MTU=9000 in /etc/sysconfig/network-scripts/ifcfg-enp3s0 or ethernet.mtu=9000 in /etc/NetworkManager/system-connections/enp3s0.nmconnection
The same test passed on RHEL-8.6.0-20211117.d.3 with anaconda-33.16.6.3-1.el8:
INFO: RESULT:network-options-pre:b3a4cd274619:SUCCESS:test done
Marking as Verified:Tested
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (anaconda bug fix and enhancement update), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2022:1780