In some cases, especially in businesses, you may have a separate modem and router, along with other equipment connecting to the router such as a network switch. Many homes use a combination modem/router device provided by their Internet Service Provider (ISP). Your LAN is essentially the network inside your home or business. With regards to network performance, it is crucial to first separate whether an issue is with Wide Area Network (WAN) performance, or if the issue is with Local Area Network (LAN) performance.
If you just need to know how to perform a network performance test/benchmark, jump down to configuring iPerf. In this article, we'll be taking a deep dive on the nuances of network performance for those who need some additional explanation while striving to be concise, and to educate users of various experience levels relating computer hardware and computer networking.
