Based on your networking requirements, you can adjust the settings of a newly created or an existing distributed switch.

Verify that you are connected to a vCenter Server system.

Modify the maximum MTU size setting for a distributed switch.

Get-VDSwitch -Name 'MyVDSwitch' | Set-VDSwitch -Mtu 2000

Modify the number of uplink ports on a distributed switch.

Get-VDSwitch -Name 'MyVDSwitch' | Set-VDSwitch -NumUplinkPorts 4

Modify the maximum number of ports on a distributed switch.

Get-VDSwitch -Name 'MyVDSwitch' | Set-VDSwitch -MaxPorts 1000

Modify the discovery protocol settings on a vSphere distributed switch.

Get-VDSwitch -Name 'MyVDSwitch' | Set-VDSwitch -LinkDiscoveryProtocol LLDP -LinkDiscoveryProtocolOperation Both