2V0-620 · Question #19
During a new vSphere Distributed Switch configuration, where does the Maximum Transmission Unit (MTU) value get modified?
The correct answer is B. Switch Settings. On a vSphere Distributed Switch, the MTU value is a global switch-level setting configured in the switch's general properties, not on individual portgroups or uplinks.
Question
During a new vSphere Distributed Switch configuration, where does the Maximum Transmission Unit (MTU) value get modified?
Options
- AUplink Settings
- BSwitch Settings
- CPortgroup Settings
- DNIC Teaming Settings
How the community answered
(40 responses)- A3% (1)
- B90% (36)
- C5% (2)
- D3% (1)
Why each option
On a vSphere Distributed Switch, the MTU value is a global switch-level setting configured in the switch's general properties, not on individual portgroups or uplinks.
Uplink settings control physical NIC assignments and teaming policies for uplink portgroups but do not contain an MTU configuration field.
The Maximum Transmission Unit on a vSphere Distributed Switch is configured under the switch-level settings (Edit Settings - General) and applies globally to all traffic traversing that switch. This placement is intentional because MTU must be consistent across the entire switch fabric and its physical uplinks - setting it per-portgroup or per-uplink individually is not how vDS MTU is managed.
Portgroup settings control VLAN, security policies, and traffic shaping for a specific group of ports but MTU is not configurable at the portgroup level on a vDS.
NIC Teaming settings govern load balancing and failover policies for uplinks and have no MTU configuration option.
Concept tested: vSphere Distributed Switch MTU configuration location
Source: https://docs.vmware.com/en/VMware-vSphere/6.0/com.vmware.vsphere.networking.doc/GUID-6F6CB548-5C1E-4174-B4F4-E4B78C4C4A07.html
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