19. Juli 2017 16:36, "Michal Privoznik" <mprivozn@xxxxxxxxxx> schrieb:
> On 07/19/2017 04:27 PM, c.monty@xxxxxx wrote:
>
>> <snip/>
>>
>> Guest OS is Debian 9 with this network configuration:
>> thomas@vm02-fai:~$ cat /etc/network/interfaces
>> # This file describes the network interfaces available on your system
>> # and how to activate them. For more information, see interfaces(5).
>>
>> source /etc/network/interfaces.d/*
>>
>> # The loopback network interface
>> auto lo
>> iface lo inet loopback
>>
>> # The primary network interface
>> allow-hotplug ens3
>> iface ens3 inet dhcp
>>
>> # The secondary network interface
>> allow-hotplug ens8
>> iface ens8 inet static
>> address 192.168.33.250/25
>>
>> So, to answer your question: yes, 1st interface is doing DHCP.
>
> Well, this doesn't prove it. ens3 might actually be the one that's
> connected to the 'internal' network. What's the output of 'ip a a s' ran
> from within the guest? What's the output of 'virsh domifaddr --source
> agent $domain'?
>
> BTW: if you sniff on virbr0 while the domain is starting up do you see
> any DHCP traffic?
>
> Michal
Hm... 'ip a a s' is not working. Do you mean 'ip addr'?
root@vm02-fai:/home/thomas# ip a a s
Error: inet prefix is expected rather than "s".
root@vm02-fai:/home/thomas# ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 52:54:00:31:dd:59 brd ff:ff:ff:ff:ff:ff
inet 192.168.100.52/24 brd 192.168.100.255 scope global ens3
valid_lft forever preferred_lft forever
inet6 fe80::5054:ff:fe31:dd59/64 scope link
valid_lft forever preferred_lft forever
3: ens8: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 52:54:00:9e:23:26 brd ff:ff:ff:ff:ff:ff
inet 192.168.33.250/25 brd 192.168.33.255 scope global ens8
valid_lft forever preferred_lft forever
inet6 fe80::5054:ff:fe9e:2326/64 scope link
valid_lft forever preferred_lft forever
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