IEEE 802.11 standards

IEEE 802.11 is a set of standards for implementing wireless local area network (WLAN) computer communication in the 2.4, 3.6 and 5 GHz frequency bands. They are created and maintained by the IEEE LAN/MAN Standards Committee (IEEE 802). The base version of the standard IEEE 802.11-2012 has had subsequent amendments. These standards provide the basis for wireless network products using the Wi-Fi brand. Securing WLANs using 802.11i by … Continue reading →

LAN Switching

LAN switching LAN switching is a form of packet switching used in local area networks. Switching technologies are crucial to network design, as they allow traffic to be sent only where it is needed in most cases, using fast, hardware-based methods. Network switch A network switch or switching hub is a computer networking device that connects network segments or network devices. The term commonly refers to a multi-port network … Continue reading →

WAN – Wide Area Network

A wide area network (WAN) is a geographically dispersed telecommunications network. The term distinguishes a broader telecommunication structure from a local area network (LAN). A wide area network may be privately owned or rented, but the term usually connotes the inclusion of public (shared user) networks. An intermediate form of network in terms of geography … Continue reading →

Understanding the /24 after the IP

Sometimes people can find an IP written like 192.168.0.1/24 and they wonder about what that means, here’s a good explanation: IP addresses are written in decimal notation but are best understood in binary. Decimal is what we count in and goes from 0 to 9 – hex foes from 0 to 1 (0,1) giving 2 … Continue reading →