2V0-620 · Question #174
An administrator is configuring the Maximum Transmission Unit value on a vSphere Distributed Switch. Which two options are typical values for ESXi networking? (Choose two.)
The correct answer is B. 1500 D. 9089. The two standard MTU values in ESXi networking are 1500 bytes for normal Ethernet frames and a jumbo frame value (commonly 9000, with some implementations supporting up to 9089) for high-throughput traffic.
Question
An administrator is configuring the Maximum Transmission Unit value on a vSphere Distributed Switch. Which two options are typical values for ESXi networking? (Choose two.)
Options
- A1492
- B1500
- C9000
- D9089
How the community answered
(35 responses)- A9% (3)
- B86% (30)
- C6% (2)
Why each option
The two standard MTU values in ESXi networking are 1500 bytes for normal Ethernet frames and a jumbo frame value (commonly 9000, with some implementations supporting up to 9089) for high-throughput traffic.
1492 bytes is the MTU used for PPPoE encapsulated connections and is not a typical value in ESXi data center networking.
1500 bytes is the default Ethernet MTU and the standard baseline configured on vSphere Distributed Switch port groups, ensuring broad compatibility with physical network infrastructure.
9000 bytes is a widely referenced jumbo frame target but is not identified as the specific typical maximum MTU value for this vSphere Distributed Switch configuration context.
9089 bytes represents the maximum jumbo frame MTU supported in certain VMware vSphere network configurations; enabling jumbo frames reduces CPU overhead and improves throughput for iSCSI, NFS, and vMotion traffic in ESXi environments.
Concept tested: MTU and jumbo frame configuration on vSphere Distributed Switch
Source: https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.networking.doc/GUID-3B295938-F9B5-4D26-8B55-E5C90C3B32B4.html
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