IPGlobalStatistics.DefaultTtl 属性

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

[System.Runtime.Versioning.UnsupportedOSPlatform("android")]
public abstract int DefaultTtl { get; }

public abstract int DefaultTtl { get; }

[<System.Runtime.Versioning.UnsupportedOSPlatform("android")>]
member this.DefaultTtl : int

member this.DefaultTtl : int

Public MustOverride ReadOnly Property DefaultTtl As Integer

属性值

指定 TTL 的 Int64 值。

属性

UnsupportedOSPlatformAttribute

示例

下面的代码示例显示此属性的值。

public static void ShowIPStatistics()
{
    IPGlobalProperties properties = IPGlobalProperties.GetIPGlobalProperties();
    IPGlobalStatistics ipstat = properties.GetIPv4GlobalStatistics();
    Console.WriteLine("  Forwarding enabled ...................... : {0}",
        ipstat.ForwardingEnabled);
    Console.WriteLine("  Interfaces .............................. : {0}",
        ipstat.NumberOfInterfaces);
    Console.WriteLine("  IP addresses ............................ : {0}",
        ipstat.NumberOfIPAddresses);
    Console.WriteLine("  Routes .................................. : {0}",
        ipstat.NumberOfRoutes);
    Console.WriteLine("  Default TTL ............................. : {0}",
        ipstat.DefaultTtl);
}

Public Shared Sub ShowIPStatistics() 
    Dim properties As IPGlobalProperties = IPGlobalProperties.GetIPGlobalProperties()
    Dim ipstat As IPGlobalStatistics = properties.GetIPv4GlobalStatistics()
    Console.WriteLine("  Forwarding enabled ...................... : {0}", ipstat.ForwardingEnabled)
    Console.WriteLine("  Interfaces .............................. : {0}", ipstat.NumberOfInterfaces)
    Console.WriteLine("  IP addresses ............................ : {0}", ipstat.NumberOfIPAddresses)
    Console.WriteLine("  Routes .................................. : {0}", ipstat.NumberOfRoutes)
    Console.WriteLine("  Default TTL ............................. : {0}", ipstat.DefaultTtl)

End Sub

注解

TTL 值报告为在丢弃数据包之前可以转发的路由节点数。 每个节点在转发数据包之前递减数据包中的当前 TTL 值。 如果 TTL 值达到零，则数据包被视为无法送达并被丢弃。 请注意，当数据包从一个节点传到另一个节点时，这也称为“跃点”。