Re: [Qemu-discuss] How to have dedicated IP for guest (that can't be used by the host)?

[Fam Zheng]

On Sun, 06/21 01:32, Васил Рангелов wrote:
> Hi.
> 
> As part of testing an application, I need to set up a network between the
> host and the VM so that they can both be accessed from the host on the same
> ports via different IPs. This can be done easily with VirtualBox (and I've
> already done it...) but I need to do it with Qemu instead, as the tests
> should eventually be ran on Travis-CI, which (if a few articles I've seen
> are to be believed) can be ran in that environment, while VirtualBox can't.
> 
> How can this be done?

You can use a bridged network setup, so your guest and host have their own IPs.

http://www.linux-kvm.org/page/Networking#private_virtual_bridge

> 
> I managed to successfully use
> ```
> "-netdev" "user,id=user.0 ,hostfwd=tcp::38728-:8728" "-device"
> "virtio-net,netdev=user.0"
> ```
> to set up port forwarding from a localhost port to the VM, but the tests
> themselves require the same port on both host and VM, so that's not a
> feasible solution :-/ .
> 
> I should note that my personal host OS is Windows Server 2008 R2, with IIS
> being the server that occupies the ports on the host. On Travis-CI, I'd of
> course be using Apache as an equivalent, but the point is the setup should
> be as cross platform as possible (if possible at all...), so that the
> application can be tested reliably on both hosts.
> 
> Regards,
> Vasil Rangelov
> 
>