Instance Property

tunnelOverheadBytes

The number of bytes added to each tunneled packet for storing tunneling protocol headers.

Declaration

@property(copy) NSNumber *tunnelOverheadBytes;

Discussion

The value of this property is subtracted from the Maximum Transmission Unit (MTU) of the tunnel’s underlying physical network interface to compute the MTU of the TUN interface.

See Also

Accessing Network Properties

IPv4Settings

The tunnel IP version 4 settings.

NEIPv4Settings

NEIPv4Settings contains the Internet Protocol version 4 (IPv4) settings of a IP layer network tunnel.

IPv6Settings

The tunnel IP version 6 settings

NEIPv6Settings

NEIPv6Settings contains the Internet Protocol version 6 (IPv6) settings of a IP layer network tunnel.

MTU

An NSNumber object containing the Maximum Transmission Unit (MTU) size in bytes to assign to the TUN interface.