Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1986-2001 Microsoft Corp. C:\WINDOWS>netsh routing ip delete rtmroute ?
Usage: delete rtmroute [dest=][mask=][[nameorindex=]name|index][[nhop=]]
Parameters:
Tag Value
dest - The destination address for the route specified.
mask - The subnet mask for the destination address.
nameorindex - The interface from which route is to be deleted.
nhop - Next hop for the route. This is not needed for routes
over point to point interfaces.
Remarks: Deletes a non-persistent network management route when either an
interface name or a next hop count is specified.
Examples:
delete rtmroute 192.168.1.0 255.255.255.0 "Virtual Private Connection"
delete rtmroute 192.168.1.0 255.255.255.0 "Local Area Connection"
nhop=10.0.0.1