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xen-users
RE: [Xen-users] Re: How to Networking Bridge?
in the manual says that we could configure a direct access to the physical device:
5.3 Driver Domain Configuration
5.3.1 PCI
Individual PCI devices can be assigned to a given domain (a PCI driver domain) to
allow that domain direct access to the PCI hardware.
While PCI Driver Domains can increase the stability and security of a system by ad-
dressing a number of security concerns, there are some security issues that remain that
you can read about in Section 9.2.
On Tue, 2006-09-05 at 13:18 +0100, Helder Rossa wrote:
You are saying that the real transfer rate will be the one that the real device will have. rigth?
What do I need to configure to emulate the realtec?
Is it possible to pass a physical device to the VM not an emulated?
If could be possible to assign a real device to the VM then no bridge, routing or nat would be necessary. right?
thanx
kimus
On Tue, 2006-09-05 at 13:52 +0200, Petersson, Mats wrote:
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Helder Rossa
Sent: 04 September 2006 22:34
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Re: How to Networking Bridge?
I DID IT!!
I had to compile tun kernel module (Universal TUN/TAP device driver, 1.6) . After this all worked Fine!!
Another question: my network is at 10Mbps (?!) is there some configuration? My ethX is 1Gb!!!
That doesn't really matter. It's just a VIRTUAL network card anyways, so you're not going to be limited by the "10Mbps" in any real way... It's just part of the emulation of the network card that uses a pretty basic PCNet32 device, which doesn't say 100Mbps or 1Gbps... It wouldn't be very hard to change that, but what's the point - it never hits any real hardware, so whatever the number reported, it's not actually reflecting anything real. Having said all that, the latest QEMU version (in xen unstable) also supports a couple of new network cards, including a 100Mbps realtek 8139. Not that it will make much of a difference to the ACTUAL transfer rate tho'.
--
Mats
thanx
On Mon, 2006-09-04 at 21:44 +0100, Helder Rossa wrote:
Hi,
I've a working xen 3.0.2 booting a gentoo linux on Dom0.
I have setup a Windows XP in a DomU OK with no problems except the
network!!
My problem is that I wanted to give a working network interface on the
DomU and the best I could. making the windows detect an network adapter,
was putting:
vif = ['type=ioemu']
I also tryied:
vif = ['type=ioemu, bridge=xenbr0']
Could never ping a external from DomU!!
What I know:
- the ethX device is a logical device and the physical device is
renamed to pethX;
- the vifX.Y devices are linked with ethY from DomX (ie.: vif1.0 <->
Dom1 eth0);
- there is also a vethX ...
What configuration I have to do on Dom0?
What configuration I have to do on DomU?
When rebooting I have always need to do 'ifconfig ethX up' !!!
thanx
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