What is a Remote-access VPN? In Remote-access VPNs, individual hosts or clients, such as telecommuters, mobile users, and extranet consumers, can access a company network securely over the Internet. Each host typically has VPN client software loaded or uses a web-based client. A remote-access VPN host or client typically has VPN client software. Whenever the host tries to send… Read More »
What is SNMP? SNMP is an application layer protocol that provides a message format for communication between what are termed managers and agents on a network. The Simple Network Management Protocol (SNMP) is a widely used protocol for network management. It enables the monitoring and management of network devices like routers, switches, and servers from a central location. It uses a… Read More »
What is Static and Dynamic NAT? Both static and dynamic NAT require that enough public addresses are available to satisfy the total number of simultaneous user sessions. What is Static NAT Static NAT also called inbound mapping, is the process of mapping an unregistered IP address to a registered IP address on a one-to-one basis. The unregistered or… Read More »
How Is Root Port Selected on a Switch? The concept of a “Root Port” falls in the operational area of the Spanning Tree Protocol (STP) , particularly in Ethernet networks using switches. STP is a network protocol designed to prevent loop formation in networks with redundant paths. Within the context of STP, the Root Port plays a crucial… Read More »
VTY (Virtual Teletype) Telnet access refers to a method of remote access to a network device, such as a router or switch, through the Telnet protocol using virtual terminal lines. This method is widely used in network management. Let’s break down these concepts for a comprehensive understanding: Virtual Teletype (VTY): VTY is a virtual port on a network… Read More »
