How do switches and bridges learn where devices are located on a network? The Correct Answer is: When a frame enters a port, the source MAC address is copied from the frame header. Explanation Switches and bridges use a process called address learning or MAC (Media Access Control) address learning to learn where devices are … Read more
Backing up a switch configuration is an important part of network administration. It provides a way to restore the switch to a previously known good state if there are any issues. This article will provide an overview of the basic process for backing up the configuration on Cisco switches. First, it’s important to back up … Read more
CUSTOMER uses XYZ ISP. Assume that if in a case XYZ goes down or overtakes by another ISP like ABC above example is set for the understanding of the LOCAL AS feature. You see here CUSTOMER has 300 AS and XYZ has 200 AS. In the case of overtaking XYZ via ABC then we cannot … Read more
What is OSI Model? The OSI Model is a seven-layer model that defines the different components of a network system and how they interact with each other. The OSI Model is a reference model that was developed by the International Organization for Standardization (ISO) in 1984. What are the 7 Layers of the OSI Model? … Read more
What does DHCP lookup Failed mean? If you’re getting a “DHCP lookup failed” error, it means that your computer is unable to connect to the internet because it can’t get an IP address from a DHCP server. This can be caused by a number of things, including: If you’re getting this error, you’ll need to … Read more