Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1986-2001 Microsoft Corp. C:\WINDOWS>netsh routing ip ospf add routefilter ?
Usage: add routefilter [filter=]
Parameters:
Tag Value
filter - IP address and mask of route to be filtered
Remarks: Adds an OSPF route filter.
Examples:
add routefilter 11.1.0.0 255.255.0.0