Msvm_VirtualSwitch class

Статья
05/31/2018

Represents a virtual switch. Each switch has many different ports to which network adapters can be attached. The switch itself is not highly configurable and acts mostly as a placeholder.

The following syntax is simplified Managed Object Format (MOF) code, and it includes all of the inherited properties.

Syntax

[Dynamic, Provider("VmmsWmiInstanceAndMethodProvider"), AMENDMENT]
class Msvm_VirtualSwitch : CIM_ComputerSystem
{
  string   Caption = "Virtual Switch";
  string   Description;
  string   ElementName;
  datetime InstallDate;
  uint16   OperationalStatus[] = 2;
  string   Status;
  uint16   HealthState = 5;
  uint16   EnabledState = 5;
  string   OtherEnabledState;
  uint16   RequestedState = 12;
  datetime TimeOfLastStateChange;
  string   Name;
  string   PrimaryOwnerName;
  string   IdentifyingDescriptions[];
  string   OtherIdentifyingInfo[];
  uint16   Dedicated[] = 0;
  uint16   ResetCapability = 5;
  uint16   PowerManagementCapabilities[];
  string   StatusDescriptions[] = { "OK" };
  uint16   EnabledDefault = 2;
  string   CreationClassName = "Msvm_VirtualSwitch";
  string   PrimaryOwnerContact;
  string   Roles[];
  string   NameFormat;
  string   OtherDedicatedDescriptions[];
  string   ScopeOfResidence;
  uint32   NumLearnableAddresses;
  uint32   MaxVMQOffloads;
  uint32   MaxChimneyOffloads;
};

Members

The Msvm_VirtualSwitch class has these types of members:

Methods
Properties

Methods

The Msvm_VirtualSwitch class has these methods.

Method	Description
RequestStateChange	This method is not supported.
SetPowerState	This method is not supported.

Properties

The Msvm_VirtualSwitch class has these properties.

Caption

Data type: string
Access type: Read-only
Qualifiers: MaxLen (64)

A short textual description (one- line string) of the object. This property is inherited from CIM_ManagedElement and is always set to "Virtual Switch".

CreationClassName

Data type: string
Access type: Read-only
Qualifiers: Key, MaxLen (256)

The name of the class or the subclass that is used in the creation of an instance. This property is inherited from CIM_System and is always set to "Msvm_VirtualSwitch".

Dedicated

Data type: uint16 array
Access type: Read-only
Qualifiers: MappingStrings ("MIB.IETF|MIB-II.sysServices", "FC-GS.INCITS-T11 | Platform | PlatformType"), ArrayType ("Indexed"), ModelCorrespondence ("CIM_ComputerSystem.OtherDedicatedDescriptions")

Indicates whether the computer system is a special-purpose system (dedicated to a particular use), versus being a general-purpose system. This property is inherited from CIM_ComputerSystem and it is set to 0 (Not Dedicated).

Description

Data type: string
Access type: Read-only

A textual description of the object. This property is inherited from CIM_ManagedElement.

ElementName

Data type: string
Access type: Read-only

A user-friendly name for the object. This property is inherited from CIM_ManagedElement.

EnabledDefault

Data type: uint16
Access type: Read/write

An administrator's default or startup configuration for the enabled state of an element. This property is inherited from CIM_EnabledLogicalElement and is always set to 2 (Enabled).

EnabledState

Data type: uint16
Access type: Read-only
Qualifiers: ModelCorrespondence ("CIM_EnabledLogicalElement.OtherEnabledState")

The enabled and disabled states of this element. This property is inherited from CIM_EnabledLogicalElement and is always set to 5 (Not Applicable).

Not Applicable (5)

Indicates the element does not support to be enabled or disabled.

HealthState

Data type: uint16
Access type: Read-only

The current health of the element. This property is inherited from CIM_ManagedSystemElement and is always set to 5 (OK).

OK (5)

The element is fully functional and operates within normal operational parameters and without error.

IdentifyingDescriptions

Data type: string array
Access type: Read-only
Qualifiers: ArrayType ("Indexed"), ModelCorrespondence ("CIM_ComputerSystem.OtherIdentifyingInfo")

This property is inherited from CIM_ComputerSystem and it is set to NULL.

InstallDate

Data type: datetime
Access type: Read-only
Qualifiers: MappingStrings ("MIF.DMTF|ComponentID|001.5")

A datetime value that indicates when the object was installed. This property is inherited from CIM_ManagedSystemElement.

MaxChimneyOffloads

Data type: uint32
Access type: Read-only

The maximum number of Chimney offloads allowed for a port on this switch.

Windows Server 2008: The MaxChimneyOffloads property is not supported until Windows Server 2008 R2.

MaxVMQOffloads

Data type: uint32
Access type: Read-only

The maximum number of VM queue (VMQ) offloads allowed for a port on this switch.

Windows Server 2008: The MaxVMQOffloads property is not supported until Windows Server 2008 R2.

Name

Data type: string
Access type: Read-only
Qualifiers: Key, MaxLen (256)

A name that uniquely identifies the service and provides an indication of the functionality that is managed. This property is inherited from CIM_System.

NameFormat

Data type: string
Access type: Read-only

A string that identifies how the system name was generated, using the subclass heuristic. This property is inherited from CIM_ComputerSystem and it is set to NULL.

NumLearnableAddresses

Data type: uint32
Access type: Read-only

The number of learnable addresses for this switch.

OperationalStatus

Data type: uint16 array
Access type: Read-only
Qualifiers: ArrayType ("Indexed"), ModelCorrespondence ("CIM_ManagedSystemElement.StatusDescriptions")

The current status of the element. This property is inherited from CIM_ManagedSystemElement and is always set to 2 (OK).

OK (2)

Indicates full functionality without errors.

OtherDedicatedDescriptions

Data type: string array
Access type: Read-only
Qualifiers: ArrayType ("Indexed"), ModelCorrespondence ("CIM_ComputerSystem.Dedicated")

A string that describes how or why the system is dedicated when the Dedicated array includes the value 2 (Other). This property is inherited from CIM_ComputerSystem and it is set to NULL.

OtherEnabledState

Data type: string
Access type: Read-only
Qualifiers: ModelCorrespondence ("CIM_EnabledLogicalElement.EnabledState")

The enabled or disabled state of the element when the EnabledState property is set to 1 (Other). This property is inherited from CIM_EnabledLogicalElement and is not used.

OtherIdentifyingInfo

Data type: string array
Access type: Read-only
Qualifiers: MaxLen (256), ArrayType ("Indexed"), ModelCorrespondence ("CIM_ComputerSystem.IdentifyingDescriptions")

This property is inherited from CIM_ComputerSystem and it is set to NULL.

PowerManagementCapabilities

Data type: uint16 array
Access type: Read-only
Qualifiers: Deprecated ("CIM_PowerManagementCapabilities.PowerCapabilities"), MappingStrings ("MIF.DMTF|System Power Controls|001.2")

This property is inherited from CIM_ComputerSystem but it is not used.

PrimaryOwnerContact

Data type: string
Access type: Read/write
Qualifiers: MaxLen (256), MappingStrings ("MIF.DMTF|General Information|001.4")

A string that provides information on how the primary owner of the service can be reached. This property is inherited from CIM_System and is not used.

PrimaryOwnerName

Data type: string
Access type: Read/write
Qualifiers: MaxLen (64), MappingStrings ("MIF.DMTF|General Information|001.3")

The name of the primary owner for the service, if one is defined. This property is inherited from CIM_System and is not used.

RequestedState

Data type: uint16
Access type: Read-only
Qualifiers: ModelCorrespondence ("CIM_EnabledLogicalElement.EnabledState")

The last requested or desired state for the management service. This property is inherited from CIM_EnabledLogicalElement and is always set to 12 (Not Applicable).

Not Applicable (12)

Indicates that this instance does not support the RequestedState property.

ResetCapability

Data type: uint16
Access type: Read-only
Qualifiers: MappingStrings ("MIF.DMTF|System Hardware Security|001.4")

This property is inherited from CIM_ComputerSystem and it is set to 5 (Not Implemented).

Not Implemented (5)

Not Implemented.

Roles

Data type: string array
Access type: Read/write

An array of strings that describe the roles the system plays in the information technology environment. This property is inherited from CIM_System and it is set to NULL.

ScopeOfResidence

Data type: string
Access type: Read/write

The authorization manager scope for the switch service.

Status

Data type: string
Access type: Read-only
Qualifiers: Deprecated ("CIM_ManagedSystemElement.OperationalStatus"), MaxLen (10)

This property is inherited from CIM_ManagedSystemElement but it is not used.

StatusDescriptions

Data type: string array
Access type: Read-only
Qualifiers: ArrayType ("Indexed"), ModelCorrespondence ("CIM_ManagedSystemElement.OperationalStatus")

Strings that describe the various OperationalStatus array values. This property is inherited from CIM_ManagedSystemElement and is always set to "OK".

TimeOfLastStateChange

Data type: datetime
Access type: Read-only

The date or time when the enabled state of the element last changed. This property is inherited from CIM_EnabledLogicalElement and is not used.

Remarks

Access to the Msvm_VirtualSwitch class might be restricted by UAC Filtering. For more information, see User Account Control and WMI.

Examples

See Querying Networking Objects.

Requirements


Minimum supported client	None supported
Minimum supported server	Windows Server 2008
End of client support	None supported
End of server support	Windows Server 2012 R2
Namespace	Root\Virtualization
MOF	WindowsVirtualization.mof

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