The Apposite 40G Network WAN Emulator is the perfect solution for testing and optimizing the performance of WANs. It features two QSFP+ Ethernet ports and can achieve a maximum aggregate throughput of 80 Gbps. With its emulation engine, it can reach speeds of up to 40 Gbps and can handle up to 32 million packets per second. It also offers packet classification based on IP source and destination address range (IPv4 or IPv6), VLAN, TCP or UDP port number, IP ToS, MAC address, MPLS label, or any other packet contents. Bandwidth can be set from 100 bps to 100 Gbps in 1 bps increments, and delay can be set from 0 ms to 10,000 ms, or greater, in 0.01 ms increments. It also offers loss and corruption options, including random, burst, periodic, BER, Gilbert-Elliott, or recorded loss, and data corruption. Additionally, background utilization can be set from 0 to 100% in increments of 0.1%, and PCAP replay is supported. Queuing and prioritization can be set with RED or tail drop queue management, and priority or round robin queuing. With its wide range of features and settings, the Apposite 40G Network WAN Emulator is the perfect tool for testing and optimizing WAN performance.