Tech Tips Blog

TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) are the most common network protocols used in network device communication today.The connection-oriented TCP was developed first and is more common, as it guarantees delivery and accuracy of the data transmission. The protocol tracks and acknowledges all information sent between two devices, and if data is lost or corrupted durin....Read more

PoE “Power over Ethernet” has become a very common technology in today’s enterprise environments. As the demand for PoE increases, the demand for increased power goes up as well. The current standard of 802.3bt provides up to 71W. It’s important to validate that the expected Power is being supplied by the PoE.Today, PoE is powering many mission critical devices, including VoIP systems, Wi-Fi netwo....Read more

Ask any network pro what kind of test they try first when taking on a trouble ticket… Inevitably, they’ll say, “I send a Ping.” But why use Ping?Ping is a protocol used to verify device availability, response time, and packet loss in a network by sending ICMP (Internet Control Messaging Protocol) Echo Request frames to an end network device and listening for the Echo Reply frames from the device. ....Read more

Power over Ethernet (PoE) is a technology that enables Ethernet cables to carry electrical power to devices such as Wi-Fi access points, IP cameras, VoIP phones, signage, and other networked devices along with data. Before the advent of PoE (circa 2003), outlets and external power adapters were necessary to power these devices. PoE uses two or four twisted pairs in a standard Ethernet cable to sup....Read more