Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.debian.user > #227254

Re: dhcp bridge for virtual machines using KVM

Show all headers | View raw

On 9/22/20 1:26 PM, James Allsopp wrote:
> Hi,
> I've got a computer that I'm running debian 10 on with KVM. The 
> machine is connected to a OpenWRT router which provides DHCP and DNS 
> to the network, via a wifi link used for the host and an ethernet 
> connection on eth1 used for a bridge

Is your OpenWRT router running in vm on the same host or somewhere else 
throughout physical network eth1?


>
> I've set this file up for the bridge in /etc/network/interfaces.d/br0
> auto eth1
> auto br0
> iface br0 inet dhcp
> bridge_ports eth1
> bridge_fd 0
> bridge_stp off
>
> ifup br0 brought it up nicely and it got an IP address in the range 
> I'd expect. So far so good. The only problem is now, I can't get any 
> of the VM's I create to use this network. When creating a VM using 
> Virtual Machine Manager, it gives me the option to specify shared 
> device name for the network source. One of these is for a network I 
> already created in virsh;
>
> <network>
>   <name>host-bridge</name>
>   <forward mode="bridge"/>
>   <bridge name="br0"/>
> </network>
>
> However, if I set the network to either 'host-bridge' or br0 directly, 
> the route is never set and I can never get  a dhcp setting. I've 
> checked ip_forward is set to 1.
>
> I'd just like to set it up this way, as it seems really inefficient to 
> have a dhcp and then use difficult to remember static IP's everywhere.
>
> Thanks
> James
>
>
-- 
Lucas Castro

Back to linux.debian.user | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

dhcp bridge for virtual machines using KVM James Allsopp <jamesaallsopp@googlemail.com> - 2020-09-22 18:30 +0200
  Re: dhcp bridge for virtual machines using KVM Fabien Roucaute <fabien.roucaute@free.fr> - 2020-09-22 18:50 +0200
    Re: dhcp bridge for virtual machines using KVM Fabien Roucaute <fabien.roucaute@free.fr> - 2020-09-22 19:00 +0200
      Re: dhcp bridge for virtual machines using KVM James Allsopp <jamesaallsopp@googlemail.com> - 2020-09-22 23:00 +0200
        Re: dhcp bridge for virtual machines using KVM Fabien Roucaute <fabien.roucaute@free.fr> - 2020-09-23 07:30 +0200
          Re: dhcp bridge for virtual machines using KVM Fabien Roucaute <fabien.roucaute@free.fr> - 2020-09-23 15:20 +0200
            Re: dhcp bridge for virtual machines using KVM john doe <johndoe65534@mail.com> - 2020-09-23 15:50 +0200
          Re: dhcp bridge for virtual machines using KVM Lucas Castro <lucas@gnuabordo.com.br> - 2020-09-23 16:50 +0200
  Re: dhcp bridge for virtual machines using KVM Lucas Castro <lucas@gnuabordo.com.br> - 2020-09-22 20:50 +0200
    Re: dhcp bridge for virtual machines using KVM James Allsopp <jamesaallsopp@googlemail.com> - 2020-09-22 23:00 +0200
      Re: dhcp bridge for virtual machines using KVM Lucas Castro <lucas@gnuabordo.com.br> - 2020-09-22 23:40 +0200
        Re: dhcp bridge for virtual machines using KVM James Allsopp <jamesaallsopp@googlemail.com> - 2020-09-23 13:50 +0200

csiph-web