Difference between Router and Switch

Routers and switches are computer network devices that allow one or more computers to connect to other computers, networking devices, or other networks. These devices look a bit similar, but the functions they perform are quite different. People often confuse…
Secure SNMP in Cisco Switches and Routers

This article focus on the ways how we can secure SNMP access in Cisco Switches and Routers Simple Network Management Protocol (SNMP)   uses the default UDP port 161 for general SNMP messages and UDP port 162 for SNMP trap messages. SNMP is a service used to perform network…
Ethernet & Ethernet Switch

Ethernet refers to the family of Local Area Network (LAN) implementation. Ethernet is actually the most popular Local Area Network architecture that consists of Ethernet specifications and standards as well as Ethernet hardware devices such as Ethernet splitter, Ethernet drivers…
Two Types of Networks: LANs and WANs

Networks are divided into two types, a LAN (Local Area Network) or a WAN (Wide Area Network), which are generic terms referring to two important basic types of networks. The Internet can be thought of as a bunch of LANs interconnected by…
Cisco Memory: Types and Functions

Cisco is a large manufacturer of networking hardware, inter-network operating systems, network routers, switches and other similar devices. The actual design and layout of each product controls what types of memory can be used in the system device. This also…