E1000 is faster than VMXNET3
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The document compares the performance of different network adapters: e1000, e1000e, and vmxnet3. It highlights that vmxnet3, a 10gb virtual NIC designed for performance, outperforms both e1000 and e1000e in speed and stability. Overall, vmxnet3 is recommended due to its lower CPU overhead and superior performance metrics.
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E1000 is faster than VMXNET3
- 1. E1000 is faster than VMXNET3
- 2. What’s an e1000? • The Intel 82545EM Gigabit Ethernet Controller • VMware offers an emulated version of this controller • Most operating systems are shipped with a 82545EM driver • The 82545EM driver sucks! That’s why Intel replaced it with e1000e aka 82574L
- 3. What’s an e1000e? • The Intel 82574L Gigabit Ethernet Controller • In vSphere 5 (HW8), VMware offers an emulated version • Windows 7 and Windows 2008 are shipped with drivers for the 82574L • The 82574L is cool, but is it faster than an VMXNET3?
- 4. What’s VMXNET3? • The VMXNET3 adapter is the next generation of Para virtualized NIC designed for performance • The VMXNET3 network adapter is a 10Gb virtual NIC • Drivers are shipped with the VMware tools and most OS are supported
- 6. The tools • UDP 1024 Bytes • TCP 1024 Bytes • UDP 16 Kbytes • TCP 16 Kbytes
- 7. TCP 16K - What’s faster? VMXNET3 e1000e
- 8. UDP 1024 Bytes - What’s faster? VMXNET3 e1000e
- 9. Myth Busted • VMXNET3 is much faster than e1000 or e1000e • VMXNET3 has less CPU overhead compared to e1000 or e1000e • VMXNET3 is more stable than e1000 or e1000e