The Parvus DuraNET 3300 is a MIL-rugged 26-port Cisco IOS-managed L2/L3 embedded Ethernet switch. Integrating Cisco Systems’ ESS-3300 switch modules in a robust system design, the DuraNET 3300 is optimized with MIL circular connectors and power supply to operate in the harshest deployed military, aerospace, and industrial applications.