Microsoft Windows [Version 6.1.7000] (C) Copyright 2009 Microsoft Corp. C:\Windows>netsh interface ipv6 set subinterface ?
Usage: set subinterface [interface=][[mtu=]][[subinterface=]][[store=]active|persistent]
Parameters:
Tag Value
interface - Interface name or index.
mtu - The MTU of this subinterface. The default is the
natural MTU of the link.
subinterface - Subinterface LUID. This is only required on
interfaces with multiple subinterfaces.
store - One of the following values:
active: Set only lasts until next boot.
persistent: Set is persistent.
Remarks: Modifies subinterface configuration parameters.
Example:
set subinterface "1" mtu=1500 store=active
