Improved Hyper-V virtual network switch
Now that we have seen a brief overview of a few of the Hyper-V virtual switch enhancements made in Windows Server 2012, in this section we will discuss all these improvements in detail.
Before we go ahead and discuss the new and improved Hyper-V virtual switch, let's first see the comparison between the Hyper-V virtual switch capabilities of Windows Server 2008 and Windows Server 2012:
Feature |
Windows Server 2008 (R2) |
Windows Server 2012 |
---|---|---|
NIC teaming |
Yes; through external NIC teaming software provided by third-party hardware vendors |
Yes; a built-in NIC teaming feature for both the host and guest |
VLAN tagging |
Yes, with R2 SP1 |
Yes |
MAC spoofing protection |
Yes, with R2 SP1 |
Yes |
ARP spoofing protection |
No |
Yes |
Single root I/O virtualization (SR-IOV) |
No |
Yes |
Network QoS |
No |
Yes |
Network metering |
No |
Yes |
Network monitor extension |
No |
Yes |
IPSEC task offload |
No |
Yes |
VM trunk mode |
No |
Yes |
Port mirroring |
No |
Yes |
Now we will explore...