Category: Resources

Subnet Mask – Wildcard Mask Calculator Online

The Wildcard Mask The wildcard mask is typically the inverse of the subnet mask configured on that interface. In a subnet mask, binary 1 is equal to a match and binary 0 is not a match. In a wildcard mask, the reverse is true, as shown in here: …

The boot system Command on IOS Cisco Router and Switch

The switch attempts to automatically boot by using information in the BOOT environment variable. If this variable is not set, the switch attempts to load and execute the first executable file it can find. On Catalyst 2960 Series switches, the image file is normally contained in a directory …

IP Subnetting Practice Test

Why use subnetting? Illustrate having 30 hosts. Using a Class C network the waste of IP is great (254-30=224 wasted IP addresses). By breaking up a large network into smaller sub networks would be more efficient and would conserve a big amount of IP addresses. Furthermore we create …

IPv6 Subnet Calculator Online

What is an IPv6 Address The greatest benefit of IPv6 addressing over the previous used IPv4 addressing is the enormous addressing space that contains. IPv6 supports 128 bit addressing space and can potentially support 2 ^ 128 or 3.4 x 10 ^ 38 unique IP addresses (as opposed …

IPv4 Classless Inter-Domain Routing (CIDR) Subnet Calculator Online

Classless Inter-Domain Routing (CIDR) Classless Inter-Domain Routing (CIDR) is also called sometimes supernetting. CIDR is a way to allow more flexible allocation of IP addresses than was possible with the original system of IP address classes. With Classless Inter-Domain Routing the number of available Internet IP addresses was …

Quick VLSM Calculator Online – IPv4 Subnetting Tool

Quick VLSM Calculator Online – IPv4 Subnetting Download VLSM Workbook Instructors.PDF VLSM Calculator Online (Variable Length Subnet Mask) that you need as a Network Engineer or Student. Throughout this online tool, you will get some useful information about your Networks according to required Hosts. VLSM Calculator is responsible …

Download Cisco Packet Tracer 8 (Latest version 2021)

Cisco Packet Tracer 8.0.0.0212 Cisco Packet Tracer 8 is a comprehensive, networking technology teaching and learning program that offers a unique combination of realistic simulation and visualization experiences, assessment and activity authoring capabilities, and opportunities for multiuser collaboration and competition. Innovative features of Packet Tracer will help students …

Cisco IOS Show Commands in Switch and Router – Cheat Sheet

Cisco routers/switch run an operating system, called IOS. Like any operating system, IOS includes a command language to enable equipment owners to retrieve information and change the device’s settings. One of the most powerful commands in IOS is show. The following is a list of the most common …

CCNA Semester 4 v6.0 Study Materials and Labs – Online Course

CCNA Routing and Switching: Connecting Networks In order to avoid potential compatibility issues, you should use the latest version of Packet Tracer. Chapters Study Materials Packet Tracer Labs Online Assignments 1 WAN Concepts Assignment 2 Point-to-Point Connections 2.1.2.5, 2.3.2.6, 2.4.1.4, 2.5.1.2 Assignment 3 Branch Connections 3.4.2.4, 3.4.2.5, 3.5.3.4, …