/// <summary><para>
    ///    Provides support for ip configuation information and statistics.
    ///</para></summary>
    ///
namespace System.Net.NetworkInformation {
 
    internal class SystemIPv6InterfaceProperties:IPv6InterfaceProperties{
 
 
        uint index = 0;
        uint mtu = 0;
        uint[] zoneIndices;
 
        internal SystemIPv6InterfaceProperties(uint index, uint mtu, uint[] zoneIndices)
        {
           this.index = index;
           this.mtu = mtu;
           this.zoneIndices = zoneIndices;
        }
        /// <summary>Specifies the Maximum transmission unit in bytes. Uses GetIFEntry.</summary>
        //We cache this to be consistent across all platforms
        public override int Index{
            get {
                return (int)index;
            }
        }
        /// <summary>Specifies the Maximum transmission unit in bytes. Uses GetIFEntry.</summary>
        //We cache this to be consistent across all platforms
        public override int Mtu{
            get {
                return (int) mtu;
            }
        }
        
        public override long GetScopeId(ScopeLevel scopeLevel) {
            if ((scopeLevel < 0) || ((int)scopeLevel >= zoneIndices.Length)) {
                throw new ArgumentOutOfRangeException("scopeLevel");
            }
 
            return zoneIndices[(int)scopeLevel];
        }
    }
}