ControlLogix EtherNet/IP Dual Port Bridge Module 10/100 Mbps with Parallel Redundancy Protocol (PRP), supports 128 TCP/IP connections. 128 TCP/IP Connections; 256 Logix Connections, CIP Unconnected Messages (backplane + Ethernet: 128 + 128; I/O Packet Rate: 10,000 p/s; HMI/MSG Packet Rate: 2000 p/s