There is limited testing under Windows XP Pro SP3. But so far it's just the Xserve that is displaying issues for my.Īnd one last note is that all of this is (mostly) tested under a NetBSD 5.1.2 guest OS. Also tried to track down whether the Ethernet controller chip had any issue. Lights-Out Management has been disabled on this Xserve's interfaces, and there is no VLAN configurations (ideas to track down the 4-byte off issue). If you’re interested in running a nested virtualization environment on your Mac via Hyper-V, feel. Intel 80003ES2LAN Gigabit Ethernet Controller (Copper) To enable Hyper-V support in Parallels Desktop for Mac Pro Edition and Parallels Business Edition: Go to the Actions menu > Configure > Hardware > CPU & Memory > Expand Advanced Settings and click the Enable Nested Virtualization checkbox. More testing on different hardware and host OSes has complicated this issue. update-related controls will be disabled (grayed out) in the Parallels Desktop. ![]() It's clear something about using Bridged mode is "padding" the packets with an additional 4 or 5 bits of data.įor reference Windows XP's registry key for MTU size: scenarios and testing, including simulating various network scenarios. Setting the MTU lower in Windows XP registry and rebooting provides a workaround, and allows all websites and pages to load OK again. My testing showed that when using Bridged Mode and performing "ping -f" to my home network router, I could see that setting the ping packet size (-l flag) larger than 1467 caused the packets to timeout, and a size over 1472 to get the expected "Packet needs to be fragmented but DF set." When using an adaptor in NAT mode, this problem does not occur, and pings up to 1472 in size are allowed as expected. I determined this WAS due to the MTU setting. ![]() Some experimenting pointed to an MTU issue. For example was OK but and would not load. ![]() After getting into XP, I was getting an IP address from my router and a few websites would load, but others would not. I setup the network adapter (Intel Pro 1000 T Server) with Bridged mode. I setup a clean install of XP SP2 on VirtualBox on my new MacPro.
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