Internet Control Message Protocol is a Layer 3 Protocol. In IP networks, devices send ICMP encapsulated in IP packet. The general role of ICMP Protocol is generate error packets about …
GRE (Generic Routing Encapsulation) GRE (Generic Routing Encapsulation) is the mechanism that encapsulate one protocol in another protocol and provides connection between the nodes. This is done basically IP over …
IPv4 Addressing IP Addressing is one of the key point that a network engineer need to learn first. In this article we will start with the distribution of the IP …
