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Ixia's Network Emulator II is a precision test instrument for Ethernet impairment. The device allows users to accurately emulate the real network conditions that occur over live production LAN/WAN networks. By emulating realistic and worst-case network conditions in the lab, users can validate and test performance of new hardware, protocols, and applications to prevent failures in production networks. The Network Emulator II offers a rich feature-set to allow testing in a controlled lab environment with repeatable and predictable impairments.