On 9/15/2011 5:15 AM, Fredrik Bengtsson wrote: > I'm running a Windows Server 2008 R2 guest under Windows 7 64-bit > with VirtualBox 4.1.2. Network is set to bridged, using my > computer's wifi connection (Centrino Advanced-N 6205). Virtualization > extensions are enabled in host BIOS. > > When the guest is turned off, all traffic from the host to other > machines works fine and always has. > > When the guest is running, the host and guest seem to "compete" > for traffic. If I start a cmd window in both host and guest and > start an identical infinite "ping /t<othermachine>" in them, it > is perfectly clear that first the host is able to ping fine but > the guest consistently gets "Request timed out", and 30 seconds > later the host starts getting "Request timed out" but the guest > starts to get the packets flowing. And then they switch back > like 20 seconds later, and so on and so forth. At no time are > they able to transmit at the same time. The time between switches > seem to be completely random, but fairly short (less than a minute > on average). > > Any ideas what may be causing this? It's infuriating, since this > keeps killing remote desktop connections to the guest which we are > relying for in a current project. > > Thanks, > /Fredrik Is there any firewall running on either guest or host?
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