Hi. On Sat, Sep 19, 2020 at 10:03:20AM +0200, Fabien Roucaute wrote: > Le 19/09/2020 à 08:21, Lucio Crusca a écrit : > > Il 19/09/20 00:54, Dan Ritter ha scritto: > >> auto eno1 > >> iface eno1 manual > >> > >> auto virbr10 > >> iface virb10 inet static > >> bridge_ports eno1 > >> bridge_stp off > >> address 2.4.6.8 > >> netmask 255.255.255.224 > >> gateway 2.4.6.1 > >> > >> the bridge eats the eno1 interface. > > > > Using that configuration it actually brings up eno1 with the correct IP > > address, but I have no bridge at all: > > > > # ifconfig -a > > eno1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 > > inet 2.4.6.8 netmask 255.255.255.224 broadcast 2.4.6.31 > > [...] > > > > lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 > > inet 127.0.0.1 netmask 255.0.0.0 > > [...] > > > > # brctl show > > # > > > > I'm puzzled: how does it manage to work if there's no bridge at all? > > > eno1 still has an IP address, try to shut it down and up with 'ifdown > eno1;ifup eno1' and see if it still have an IP.
It won't do anything since now /etc/network/interfaces does not contain an IP for eno1. What's actually needed is ip addr del dev eno1 2.4.6.8/27 Similar thing needs to be done for the routing table. Reco