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NetBiosNodeType Enumeration

NetBiosNodeType Enumeration

Specifies the Network Basic Input/Output System (NetBIOS) node type.

Namespace:  System.Net.NetworkInformation
Assembly:  System (in System.dll)

public enum NetBiosNodeType

Member nameDescription
BroadcastA broadcast node.
HybridA hybrid node.
MixedA mixed node.
Peer2PeerA peer-to-peer node.
UnknownAn unknown node type.

The node type determines the way in which NetBIOS names are resolved to Internet Protocol (IP) addresses. The following table shows the name resolution method for each node type.

Node type

Resolve name to IP address


Uses NetBIOS name queries.


Uses a NetBIOS name server (NBNS), for example, Windows Internet Name Service (WINS).


Attempts to resolve by first using NetBIOS name queries and then using an NBNS.


Attempts to resolve by first using an NBNS and then using a NetBIOS name query.

This enumeration is used to specify values for the NodeType property.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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