Re: libvirt guest bridge configuration

[Fabien Roucaute <fabien.roucaute@free.fr>]

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.