Online ccna classes in Tennessee
Master Cisco Networking with America’s Premier CCNA Guru: Mr. Saeed Ahmad In the dynamic world of IT networking, having the right mentor can mean the difference between certification and mastery, between a job and a career. For aspiring network engineers across the United States, one name stands above the rest: Mr. Saeed Ahmad, widely recognized … Read more
Introduction: What is CSMA/CD? Carrier Sense Multiple Access with Collision Detection (CSMA/CD) is a network access method that was fundamental to early Ethernet networks. Its primary role was to orchestrate how devices shared a common communication medium (like a coaxial cable or a hub-based network segment) and to elegantly handle “collisions” – instances where multiple … Read more
Monitoring traffic on a Cisco router interface is crucial for network administrators to ensure optimal performance, diagnose issues, and manage bandwidth effectively. This article provides an in-depth look at the commands used to check incoming and outgoing traffic on Cisco router interfaces. 1. Accessing the Router Before running any commands, you need to access the … Read more
Install Configure Overview of Ntopng Ntopng is a robust, web-based tool for monitoring network traffic. It’s open-source and available for various platforms including Linux, Windows, and macOS. Ntopng offers a graphical interface that displays detailed analytics, traffic breakdowns, and bandwidth utilization. It’s an essential tool for understanding network flow and identifying potential issues. Prerequisites A … Read more
Upload ASDM to ASA Firewall Prepare TFTP Server: Set up a TFTP server Tftpd64-4.64-setup.exe on a computer within the same network as the ASA firewall. Place the ASDM image file (e.g., asdm-openjre-7141-48.bin) in the directory configured for the TFTP server. Enable TFTP Server on ASA: Log in to the ASA firewall using SSH or console … Read more
show running-config: This command displays the current configuration of the device, including all the configured settings. show ip protocols: This command displays information about the IP routing protocols enabled on the device, including OSPF. show ip ospf interface: This command shows detailed information about OSPF interfaces, including their state, cost, and other parameters. show ip … Read more
Objective: To understand how to work with inter-VLAN routing using Layer 3 switch SVI (Switched Virtual Interface) interface. Steps to Configure Inter-VLAN Routing: 1. Configure VLANs: Start by creating the VLANs you want to use for inter-VLAN routing. Assign unique VLAN IDs and assign the required interfaces to their respective VLANs. 2. Enable IP routing: … Read more
Spanning Tree Path Cost Spanning Tree Protocol (STP) is a network protocol that ensures loop-free topologies in Ethernet networks. One of the key elements in STP is the concept of path cost, which determines the best path for data forwarding in the network. Path cost is assigned to each network link based on its speed. … Read more
Monitoring and analyzing traffic on Cisco router interfaces is essential for network administrators to ensure optimal performance and troubleshoot any issues. In this article, we will explore various parameters and methods to check incoming and outgoing traffic on Cisco router interfaces. 1. Cisco IOS Command-Line Interface (CLI) The Cisco IOS Command-Line Interface (CLI) provides several … Read more
Administrative Distance (AD) in Cisco Routers Definition The administrative distance (AD) is a numerical value assigned to different routing protocols in Cisco routers. It determines the preference or trustworthiness of routes when multiple routing protocols are present. Purpose The purpose of administrative distance is to select the best route among multiple available routes to reach … Read more