The tunnel IP version 4 settings.
- iOS 9.0+
- macOS 10.11+
- Mac Catalyst 13.0+
This property contains the IPv4 routes specifying what IPv4 traffic to route to the tunnel, as well as the IPv4 address and netmask to assign to the TUN interface.
Accessing Network Properties
NEIPv4Settings contains the Internet Protocol version 4 (IPv4) settings of a IP layer network tunnel.
NEIPv6Settings contains the Internet Protocol version 6 (IPv6) settings of a IP layer network tunnel.
The number of bytes added to each tunneled packet for storing tunneling protocol headers.
NSNumber object containing the Maximum Transmission Unit (MTU) size in bytes to assign to the TUN interface.