When troubleshooting network issues it’s helpful to understand if the issue is occurring at Layer 2 or Layer 3 of the OSI model. If you’re able to get local communications to work but the ...

(O pen S ystems I nterconnection model) The OSI model is an International Standards Organization (ISO) template for a layered network. It describes a "protocol stack," which is a set of rules and ...

One of the most enduring models in networking is the famous seven-layer OSI model. X.25 roughly, but pretty accurately, is based on the first three layers. And it stopped there. Subsequently ...

Layer 2 of the OSI model is where we find the Data Link Layer, which provides the mechanism by which data is transferred from node to node across a network. What makes this layer important is that ...