先用如下命令查看所有的网卡以及他们的MTU的值。
netsh interface ipv4 show interfaces
使用如下的命令修改他们的MTU为9000.
netsh interface ipv4 set subinterface "13" mtu=9000 store=persistent
netsh interface ipv4 set subinterface "15" mtu=9000 store=persistent
Reference
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https://serenity-networks.com/how-to-change-the-mtu-in-windows-server-2008-2012/