👉 A tieback in computer networking refers to a connection between two computers that is established by using an Ethernet cable. When this connection is lost, it can lead to a situation where one or both of the connected devices are unable to communicate with each other. This phenomenon is known as a "tieback failure" and can occur due to various reasons such as faulty cables, misconfigured switches, or physical damage to the network infrastructure. In some cases, a tieback may be necessary for the operation of