Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1986-2001 Microsoft Corp. C:\WINDOWS>netsh routing ip ospf delete virtif ?
Usage: delete virtif [transareaid=][virtnbrid=]
Parameters:
Tag Value
transareaid - IP address of the transit area to delete.
virtnbrid - Router ID of the virtual neighbor to delete.
Remarks: Deletes the virtual interfaces for this router.
Examples:
delete virtif 10.0.0.1 11.1.1.2