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Re: [Xen-users] Xen host WiFi bridge for guest VMs

Not sure if you tried, but I've always had to enable "proxy arp" on the wireless interface (and the bridge possibly) to get routers to accept packets from the guest. I won't go into detail since there is plenty of information out there on the topic, but basically its a simple sysctl parameter, and you may need to tweak your firewall to allow MAC addresses to be proxied. Note that your bridge (or the host-side of the virtual adapter) must be assigned an IP in the same subnet as the host's LAN address. After that it should "just work" like a normal ethernet bridge. If memory serves, no special guest-side configuration is necessary. No idea how PEAP might interfere though. YMMV. If you still can't get it to work I'll try to dig up some notes I took when I set it up (this was on Arch).

Quoting "Daniel E. Shub" <daniel.e.shub@xxxxxxxxx>:

I asked about this over at stack exchange a while back
but could never get it working on Arch Linux. Some of the stuff I read
makes it sound like it is not possible, but maybe you will have better

On Tue, Feb 9, 2016 at 1:42 PM, John Mok <a9121431@xxxxxxxxx> wrote:


I have a ThinkPad x250 running Debian Jessie and Xen 4.6.0. I would
like to use the Wi-Fi connection (Intel AC 7265 with PEAP) as a
bridge, such that the guest VMs could connect to the network.

I tried to use the vif-route + NAT scripts, but it looked like it's
broken unfit for use.

I tried to passthrough the Wi-Fi adapter to the guest VM, but the
Intel driver failed to start (but the Linux driver worked in VM).

I hope someone could point me how to share the Wi-Fi connection (with
PEAP, or EAP-TLS) for guest VMs network access.

Thanks a lot.

John Mok

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