Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1986-2001 Microsoft Corp. C:\WINDOWS>netsh routing ip ospf add virtif ?
Usage: add virtif [transareaid=][virtnbrid=]
Parameters:
Tag Value
transareaid - IP address of the transit area used to exchange routing
information between the area border router of the
noncontiguous area and the backbone area border router.
virtnbrid - Router ID of the virtual neighbor to add.
Remarks: Adds the virtual interfaces for this router. A virtual interface is
used to create a virtual link. A virtual link is a logical connection between
a backbone area border router and an area border router that cannot be
physically connected to the backbone area. Once created, the virtual link is
used to exchange routing information between the area border router of the
noncontiguous area and the backbone area border router.
Examples:
add virtif 10.0.0.1 11.1.1.2