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WMI Libraly > Win32_IP4PersistedRouteTable Class

Win32_IP4PersistedRouteTable Class

The IP4PersistedRouteTable class contains IP routes that are persisted. By default, the routes you add to the routing table aren't permanent. You lose these routes when you reboot your computer. However, if you use the command route -p add, Windows NT makes the permanent--so you won't lose the route when you reboot your computer. Persistent entries are automatically reinserted in your route table each time your computer's route table is rebuilt. Windows NT stores persistent routes in the Registry. This class deals specifically with IP4 and does not address IPX or IP6.
Namespace value is root/CIMV2.
WMI Provider value is RouteProvider.


  • Caption
  • The Caption property is a short textual description (one-line string) of the object.

  • Description
  • The Description property provides a textual description of the object.

  • Destination
  • The Destination property contains the destination IP address for this persisted route.

  • InstallDate
  • The InstallDate property is datetime value indicating when the object was installed. A lack of a value does not indicate that the object is not installed.

  • Mask
  • The Mask property contains the mask used in this persisted entry. Masks should be logical-ANDed with the destination address before being compared to the value in the ipRouteDest field.

  • Metric1
  • The Metric1 property contains the primary routing metric for this persisted route. The semantics of this metric are determined by the routing protocol specified in the route's ipRouteProto value. If this metric is not used, its value should be set to -1.

  • Name
  • The Name property defines the label by which the object is known. When subclassed, the Name property can be overridden to be a Key property.

  • NextHop
  • The NextHop property contains the IP address of the next hop of this persisted route. (In the case of a route bound to an interface that is realized via a broadcast media, the value of this field is the agent's IP address on that interface.).

  • Status
  • The Status property is a string indicating the current status of the object. Various operational and non-operational statuses can be defined. Operational statuses are "OK", "Degraded" and "Pred Fail". "Pred Fail" indicates that an element may be functioning properly but predicting a failure in the near future. An example is a SMART-enabled hard drive. Non-operational statuses can also be specified. These are "Error", "Starting", "Stopping" and "Service". The latter, "Service", could apply during mirror-resilvering of a disk, reload of a user permissions list, or other administrative work. Not all such work is on-line, yet the managed element is neither "OK" nor in one of the other states.


    Method not found.

    Example WQL

    SELECT * FROM Win32_IP4PersistedRouteTable
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