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IPv6InterfaceProperties Class

Provides information about network interfaces that support Internet Protocol version 6 (IPv6).


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

public abstract class IPv6InterfaceProperties

The IPv6InterfaceProperties type exposes the following members.

Protected methodIPv6InterfacePropertiesInitializes a new instance of the IPv6InterfaceProperties class.

Public propertyIndexGets the index of the network interface associated with an Internet Protocol version 6 (IPv6) address.
Public propertyMtuGets the maximum transmission unit (MTU) for this network interface.

Public methodEquals(Object)Determines whether the specified object is equal to the current object. (Inherited from Object.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public methodGetHashCodeServes as the default hash function. (Inherited from Object.)
Public methodGetScopeIdGets the scope ID of the network interface associated with an Internet Protocol version 6 (IPv6) address.
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)

This class provides access to configuration and address information for network interfaces that support IPv6. You do not create instances of this class; they are returned by the GetIPv6Properties method.

For IPV4 properties, see GetIPv4Properties.

The following code example gets an IPInterfaceProperties object and displays its data.

public static void DisplayIPv6NetworkInterfaces()
    NetworkInterface[] nics = NetworkInterface.GetAllNetworkInterfaces();
    IPGlobalProperties properties = IPGlobalProperties.GetIPGlobalProperties();
    Console.WriteLine("IPv6 interface information for {0}.{1}",
       properties.HostName, properties.DomainName);

    int count = 0;

    foreach (NetworkInterface adapter in nics)
        // Only display informatin for interfaces that support IPv6. 
        if (adapter.Supports(NetworkInterfaceComponent.IPv6) == false)


        // Underline the description.

        IPInterfaceProperties adapterProperties = adapter.GetIPProperties();
        // Try to get the IPv6 interface properties.
        IPv6InterfaceProperties p = adapterProperties.GetIPv6Properties();

        if (p == null)
            Console.WriteLine("No IPv6 information is available for this interface.");
        // Display the IPv6 specific data.
        Console.WriteLine("  Index ............................. : {0}", p.Index);
        Console.WriteLine("  MTU ............................... : {0}", p.Mtu);

    if (count == 0)
        Console.WriteLine("  No IPv6 interfaces were found.");


.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

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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