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Specifies the Internet Protocol versions that are supported by a network interface.
public enum class NetworkInterfaceComponent
public enum NetworkInterfaceComponent
type NetworkInterfaceComponent =
Public Enum NetworkInterfaceComponent
Name | Value | Description |
---|---|---|
IPv4 | 0 | Internet Protocol version 4. |
IPv6 | 1 | Internet Protocol version 6. |
The following code example checks whether a network interface supports IPv4.
public static void DisplayIPv4NetworkInterfaces()
{
NetworkInterface[] nics = NetworkInterface.GetAllNetworkInterfaces();
IPGlobalProperties properties = IPGlobalProperties.GetIPGlobalProperties();
Console.WriteLine("IPv4 interface information for {0}.{1}",
properties.HostName, properties.DomainName);
Console.WriteLine();
foreach (NetworkInterface adapter in nics)
{
// Only display informatin for interfaces that support IPv4.
if (!adapter.Supports(NetworkInterfaceComponent.IPv4))
{
continue;
}
Console.WriteLine(adapter.Description);
// Underline the description.
Console.WriteLine(String.Empty.PadLeft(adapter.Description.Length,'='));
IPInterfaceProperties adapterProperties = adapter.GetIPProperties();
// Try to get the IPv4 interface properties.
IPv4InterfaceProperties p = adapterProperties.GetIPv4Properties();
// Display the IPv4 specific data.
Console.WriteLine(" Index ............................. : {0}", p.Index);
Console.WriteLine(" MTU ............................... : {0}", p.Mtu);
Console.WriteLine(" APIPA active....................... : {0}",
p.IsAutomaticPrivateAddressingActive);
Console.WriteLine(" APIPA enabled...................... : {0}",
p.IsAutomaticPrivateAddressingEnabled);
Console.WriteLine(" Forwarding enabled................. : {0}",
p.IsForwardingEnabled);
Console.WriteLine(" Uses WINS ......................... : {0}",
p.UsesWins);
Console.WriteLine();
}
}
Public Shared Sub DisplayIPv4NetworkInterfaces()
Dim nics As NetworkInterface() = NetworkInterface.GetAllNetworkInterfaces()
Dim properties As IPGlobalProperties = IPGlobalProperties.GetIPGlobalProperties()
Console.WriteLine("IPv4 interface information for {0}.{1}", properties.HostName, properties.DomainName)
Dim adapter As NetworkInterface
For Each adapter In nics
' Only display informatin for interfaces that support IPv4.
If adapter.Supports(NetworkInterfaceComponent.IPv4) = False Then
GoTo ContinueForEach1
End If
Console.WriteLine()
Console.WriteLine(adapter.Description)
' Underline the description.
Console.WriteLine(String.Empty.PadLeft(adapter.Description.Length, "="c))
Dim adapterProperties As IPInterfaceProperties = adapter.GetIPProperties()
' Try to get the IPv4 interface properties.
Dim p As IPv4InterfaceProperties = adapterProperties.GetIPv4Properties()
' Display the IPv4 specific data.
Console.WriteLine(" Index ............................. : {0}", p.Index)
Console.WriteLine(" MTU ............................... : {0}", p.Mtu)
Console.WriteLine(" APIPA active....................... : {0}", p.IsAutomaticPrivateAddressingActive)
Console.WriteLine(" APIPA enabled...................... : {0}", p.IsAutomaticPrivateAddressingEnabled)
Console.WriteLine(" Forwarding enabled................. : {0}", p.IsForwardingEnabled)
Console.WriteLine(" Uses WINS ......................... : {0}", p.UsesWins)
ContinueForEach1:
Next adapter
End Sub
The values in this enumeration are used by the Supports method to specify the Internet Protocol version supported by a network interface.
Product | Versions |
---|---|
.NET | Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10 |
.NET Framework | 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
.NET Standard | 2.0, 2.1 |
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