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…
VLAN Trunking Protocol (VTP) & VTP Modes

What is a VLAN Trunking Protocol (VTP)? “VTP allows a network manager to configure a switch so that it will propagate VLAN configurations to other switches in the network” VLAN Trunking Protocol (VTP) is a Cisco proprietary Layer 2 messaging…
Switch Types and LAN Switching

A switch is a telecommunication device which receives a message from any device connected to it and then transmits the message only to that device for which the message was meant. It plays an integral part in most modern Ethernet…
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…

Tried and true isn’t a descriptor awarded lightly. It’s earned only after emerging battle-hardened from the front lines. It doesn’t matter if you’re the only survivor of the super-soldier program, or the flagship switch in the armada that is Cisco…