Mask Property of the IFPCEENLBCluster Interface

The Mask property gets the subnet mask for the virtual IP address of the Network Load Balancing (NLB) cluster.

[C++]

HRESULT get_Mask(
	BSTR* pbstrMask
);

Parameters

pbstrMask: Pointer to a BSTR that is set on return to a string value specifying the subnet mask for the virtual IP address of the NLB cluster.

Return Value

This property method returns S_OK if the call is successful; otherwise, it returns an error code.

[Visual Basic]

Property Mask As String

Property Value

String that specifies the subnet mask for the virtual IP address of the NLB cluster.

Remarks

This property is read-only. Its default value is an empty string. The subnet mask for the virtual IP address of the NLB cluster can be modified by calling the SetVIPAndMask method.

The subnet mask is specified in this property as a string in dotted-decimal format. Its binary value should consist of a series of ones followed by a series of zeros. These series of bits separate the IP address specified in the VIP property into two parts. The first part specifies a network address, and the bits of the second part are reserved for all of the possible host addresses in the network segment. The combination of the virtual IP address and the subnet mask must specify the same network address as do the combinations of the dedicated IP addresses and subnet masks of the array member network adapters attached to the network.

The subnet mask typically consists of zero, one, two, or three binary octets that are represented in dotted-decimal format by the decimal number 255 and one binary octet that contains a series of ones (which may be empty) followed by a series of zeros and is represented by one of the following decimal numbers:

Requirements

Client	Requires Windows Vista or Windows XP.
Server	Requires Windows Server 2008.
Version	Requires Forefront Threat Management Gateway (TMG).
IDL	Declared in Msfpccom.idl.
DLL	Requires Msfpccom.dll.