Configure MTU Size
It makes sense to set the MTU size from 1500 to 9000 for Ethernet connections with a bandwidth of 10Gb/sec or above.
Procedure 1
In the Control Panel, select Network and Internet > Network Connections > Change Adapter Settings
Right-click the icon of the desired network connected, and then click Properties.
Click the Networking tab.
Click Configure.
Click the Advanced Settings tab.
In Properties, select Jumbo Packet.
In Value, select 9014 Bytes.
Click OK.
Deactivate and activate the network connection
If you have changed the MTU size for adapters that belong to a LACP channel deactivate and activate all virtual adapters that run on the LACP channel.
Close Network Connections
Open Command Prompt as an administrator.
Use the netsh command to show the index (Idx) and MTU of each network interface.
Execute the following command:
Output:
Make sure, that the MTU is shown as 9000 for a desired connections
Procedure 2
Open Command Prompt as an administrator.
Execute the following command:
Output:
Verify the index (idx) if the desired network connection
If the MTU is 9000, then no action is necessary. If it is not, execute the following command
Verify the set value
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