On 1/31/20 9:55 AM, Tom Hughes wrote: > On 31/01/2020 14:28, Steve Dickson wrote: > >> I've recently updated my laptop to F31. Then I was no longer >> able to ssh into it. After a little debugging... it turns >> out my laptop was not getting the expected ip address >> from DHCP. The reason for that was the MAC address it was >> sending to dhcpd had change!!! Looking at the interfaces >> >> bridge0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 >> inet 172.31.1.175 netmask 255.255.0.0 broadcast 172.31.255.255 >> inet6 fe80::98f9:f0d0:4b79:cdaa prefixlen 64 scopeid 0x20<link> >> ether 3a:00:66:8a:dd:b9 txqueuelen 1000 (Ethernet) >> RX packets 259601 bytes 112149182 (106.9 MiB) >> RX errors 0 dropped 0 overruns 0 frame 0 >> TX packets 256704 bytes 39319273 (37.4 MiB) >> TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 >> >> enp0s31f6: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 >> ether 8c:16:45:fe:c1:f1 txqueuelen 1000 (Ethernet) >> RX packets 355186 bytes 134328851 (128.1 MiB) >> RX errors 0 dropped 0 overruns 0 frame 0 >> TX packets 256743 bytes 40395059 (38.5 MiB) >> TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 >> device interrupt 16 memory 0xec200000-ec220000 >> >> The bridge0 interface has as different MAC that the enp0s31f6 interface. >> How can that be?? Esp when the hardware address (HWADDR=8C:16:45:FE:C1:F1) >> is set in the ifcfg-bridge0_slave_1. > > How are you managing your network? NetworkManager? systemd-networkd? The > old network rc script? Using systemctl status it appears NetworkManager is active and systemd-networkd is not so I guess NetworkManager is doing the management > > I know there was a change with systemd-networkd in a recent release so > that it now creates a unique but persistent MAC for bridges and maybe > other systems like NetworkManager have done the same? Hmm... this seems odd to me... any idea why this was done? tia, steved. _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx