I recently upgraded f40->f42.
I have a server with two interfaces, eth1 has internet access, eth0 is local through a switch.
The switch is usually powered off, unless I use another computer in the house (not often).
When I boot the system (switch off) eth0 does not get an IP. Until f40 it did get a static IP.
$ ifconfig eth0
eth0: flags=4611<UP,BROADCAST,ALLMULTI,MULTICAST> mtu 1500
ether b4:2e:99:83:6d:7d txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
$ route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
default e5.eyal.emu.id. 0.0.0.0 UG 100 0 0 eth1
Turning the switch on later does not resolve the problems.
My solution is to now have a command in rc.local
/sbin/ifconfig eth0 192.168.3.7
and then things boot OK regardless of the state of the switch.
$ route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
default e5.eyal.emu.id. 0.0.0.0 UG 100 0 0 eth1
192.168.2.0 0.0.0.0 255.255.255.0 U 100 0 0 eth1
192.168.3.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
192.168.122.0 0.0.0.0 255.255.255.0 U 0 0 0 virbr0
base-address.mc 0.0.0.0 240.0.0.0 U 0 0 0 eth0
Many services around the house (wifi sensors etc.) send to eth0 and it used to work just fine (f40).
Not now (F42 without my fix).
I suspect that network manager is interfering with the system which has some legacy settings.
One day I will learn how to set up network manager (and ditch ifcfg-ethX?).
--
Eyal at Home (fedora@xxxxxxxxxxxxxx)
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