| "P" Switch for Route Command Added in Windows NTID: Q141383 
 | 
The "P" switch for the Route command allows a user to make persistent entries routing table by adding a static route directly to the registry. The switch is new to Windows NT 3.51.
You can use the "P" switch for the Route command which allows a user to
make persistent entries in the routing table by adding a static route
directly to the registry. The use of the "P" switch is covered in the
online command reference but is not in the printed TCP/IP reference.
Sample syntax from a command line:
route -p add 131.107.3.0 mask 255.255.255.0 131.107.3.1
   HKEY_LOCAL_MACHINE
    \SYSTEM
      \CurrentControlSet
        \Services
          \Tcpip
            \Parameters
              \PersistentRoutes
   value: 131.107.3.0 255.255.255.0 131.107.3.1 Reg_SZ: Additional query words: prodnt
Keywords          : kbnetwork nttcp NTSrvWkst 
Version           : 3.51 4.0
Platform          : winnt 
Issue type        : Last Reviewed: February 2, 1999