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Enabling Jumbo Frames on a non-core Hyper-V Server 2008 R2 system

When using a Core version of Hyper-V 2008 R2, be it Hyper-V Server 2008 R2 or 2008 R2 Standard Core, you’re doing a good thing to conserve resources and minimize attack footprint of your virtualization hosts. However this comes at a price. One of the most obvious misses in this matter is enabling of Jumbo Frames on Virtual Switch Interface. This enables your guests to reach out to storage directly using jumbo frames (mtu size of greater than 1500 bytes – however in this post we’ll be working specifically with 9000 bytes). “Enabling Jumbo Frames on a non-core Hyper-V system – Now in order to enable jumbo frames on your network you must enable jumbo frames on the sender, receiver and all network equipment in between. Now if I wanted to enable jumbo frames between VM1 and VM2 (on same server) then I enable it on both guests and Hyper-V switch and viola. So keep in mind that your storage and switches will need a bit of magic to get them going. So to display the procedure I’ll demonstrate on a non-core version.”

Basic Hyper-V Networking:                   Jumbo Frames on a non-core Hyper-V system

Full Article: Enabling Jumbo Frames on Hyper-V 2008 R2 Virtual Switches

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