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A collection of 6 posts

Subnetting Vocabulary Decoded: Understanding the Language of IP Addressing

Subnetting Vocabulary Decoded: Understanding the Language of IP Addressing

Hey CCNA learners! 👋 One of our community members asked a great question about subnetting terminology, you know, those words we throw around that can feel confusing at first. Let's break down what each term actually means and how they relate to each other. The Essential Terms Mask / Subnet

NAT (Network Address Translation)

NAT (Network Address Translation)

NAT or Network Address Translation is a key function required in every organisations network. Since all organisation use RFC 1918 IP addressing, and these IP addresses are not allowed to exist on the internet, before we send packets to the internet we need to translate the internal IP address into

Speed and Duplex configuration

Speed and Duplex configuration

Although the configuration of speed and duplex is incredible easy, the concept behind them is somewhat important. Duplex defines how traffic will be sent and can be related to a 2-way radio vs. A telephone. With a 2-way radio, more so when there are more than 2 people on the

Concept and Configuring VLAN'S

Concept and Configuring VLAN'S

A VLAN is a Virtual LAN, which allows us to logically separate computers on our network. In previous years, each office had a physical switch or hub, and offices were structured around job functions. In other words, all salespeople would be in the same office and connected to the same

Configuring a Trunk port on a Cisco Switch

Configuring a Trunk port on a Cisco Switch

Once VLANS have been defined on a switch and you have placed ports into their corresponding VLANS, traffic is limited to remain inside it’s Virtual LAN. The only way for traffic to leave the switch, is to have it sent on a port that is in the same VLAN

Configuring an IP address and Default-Gateway on a Cisco Switch

Configuring an IP address and Default-Gateway on a Cisco Switch

The configuration of an IP address and default-gateway on a switch is slightly different from a router. Firstly a router doesn’t have a default-gateway but rather a default route. A switch on the other hand can have a default-gateway, especially if the device is in layer 2 mode. If