I have very similar windows 2k guest machines (cloned from same source) running on Both Linux host (OpenSuse 12.3) and Windows host (Win7).
On Linux host, a simple ping command from the Guest to some remote site takes three times as long as a ping from the Winodws Hosted guest.
On a windows host, ping time from the guest closely matches that of the host on both a Nat and a bridged adaptor in the virtual machine.
On a Linux host the ping time is almost 3 times as long as the host machine's ping time, on both NAT and Bridged connections.
Both host machines exhibit the same ping time.
In all cases the nics are set as 1Gig nics and bandwidth is set as unlimited. Both hosts are cabled to the same switch and premisis infrastructure.
Why is the Linux hosted networking so much slower, and is there a setting I can adjust?
