IPv6InterfaceProperties.Mtu Propriété

Définition

Espace de noms:

System.Net.NetworkInformation

Assembly:

System.Net.NetworkInformation.dll

Source:

IPv6InterfaceProperties.cs

Obtient l’unité de transmission maximale (MTU) de cette interface réseau.

public:
 abstract property int Mtu { int get(); };

public abstract int Mtu { get; }

member this.Mtu : int

Public MustOverride ReadOnly Property Mtu As Integer

Valeur de propriété

Int32

Valeur Int64 qui spécifie l'unité de transmission maximale.

Exemples

L’exemple de code suivant obtient un IPv6InterfaceProperties objet et affiche ses données.

void DisplayIPv6NetworkInterfaces()
{
   array<NetworkInterface^>^nics = NetworkInterface::GetAllNetworkInterfaces();
   IPGlobalProperties ^ properties = IPGlobalProperties::GetIPGlobalProperties();
   Console::WriteLine( "IPv6 interface information for {0}.{1}", 
       properties->HostName, properties->DomainName );

   int count = 0;

   System::Collections::IEnumerator^ myEnum24 = nics->GetEnumerator();
   while ( myEnum24->MoveNext() )
   {
      NetworkInterface ^ adapter = safe_cast<NetworkInterface ^>(myEnum24->Current);

      // Only display informatin for interfaces that support IPv6.
      if ( !adapter->Supports( NetworkInterfaceComponent::IPv6 ) )
      {
         continue;
      }
      
      count++;
      
      Console::WriteLine();
      Console::WriteLine( adapter->Description );

      // Underline the description.
      Console::WriteLine( String::Empty->PadLeft( adapter->Description->Length, '=' ) );
      IPInterfaceProperties ^ adapterProperties = adapter->GetIPProperties();

      // Try to get the IPv6 interface properties.
      IPv6InterfaceProperties ^ p = adapterProperties->GetIPv6Properties();
      if ( !p )
      {
         Console::WriteLine( "No IPv6 information is available for this interface." );
         continue;
      }

      // 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.");
       Console::WriteLine();
   }
}

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))
        {
            continue;
        }

        count++;

        Console.WriteLine();
        Console.WriteLine(adapter.Description);
        // Underline the description.
        Console.WriteLine(String.Empty.PadLeft(adapter.Description.Length,'='));

        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.");
            Console.WriteLine();
            continue;
        }
        // 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.");
        Console.WriteLine();
    }
}

Public Shared Sub DisplayIPv6NetworkInterfaces() 
    Dim nics As NetworkInterface() = NetworkInterface.GetAllNetworkInterfaces()
    Dim properties As IPGlobalProperties = IPGlobalProperties.GetIPGlobalProperties()
    Console.WriteLine("IPv6 interface information for {0}.{1}", properties.HostName, properties.DomainName)
    
    Dim count as Integer = 0
    
    Dim adapter As NetworkInterface
    For Each adapter In  nics
        ' Only display informatin for interfaces that support IPv6.
        If adapter.Supports(NetworkInterfaceComponent.IPv6) = False Then
            GoTo ContinueForEach1
        End If
        count += 1
        
        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 IPv6 interface properties.
        Dim p As IPv6InterfaceProperties = adapterProperties.GetIPv6Properties()
        
        
        If p Is Nothing Then
            Console.WriteLine("No IPv6 information is available for this interface.")
            GoTo ContinueForEach1
        End If
        ' Display the IPv6 specific data.
        Console.WriteLine("  Index ............................. : {0}", p.Index)
        Console.WriteLine("  MTU ............................... : {0}", p.Mtu)
    ContinueForEach1:
    Next adapter

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

End Sub

Remarques

Le MTU d’une interface réseau est le plus grand paquet qui peut être transmis. Il est mesuré en octets (octets de 8 bits).