Tag Archives: #CiscoNetworking

Understanding Default Routes.

What is Default Route? A Default Route, often referred to as a “gateway of last resort,” is a setting or configuration in a computer network that tells the network router or switch how to forward packets to destinations for which it does not have a specific route. In simpler terms, it’s the path used by a router when… Read More »

How to Verify iBGP Configuration Examples.

You can use the following command to verify and confirm your BGP configurations. We use the topology below as an example. Read about iBGP To Verify the iBGP Configuration, use the show ip bgp neighbours command. The show ip bgp neighbours command displays information about the TCP and Border Gateway Protocol (BGP) connections. The ‘Established’ statement means that the… Read More »

IP Address Class B Subnetting- Explained with Examples.

How to Subnet Class B Addresses. Subnetting a Class B network is very similar to subnetting a Class C network, with the only difference being that when subnetting a Class B network, you will be focusing on the third octet, whereas in Class C, you will be working on the fourth octet. Take a look at this: To… Read More »

VLAN Switchport Membership Modes Explained with Examples.

What is VLAN Switchport Membership Modes? VLAN (Virtual Local Area Network) switchport membership modes are network switch configurations that determine how a port on a switch behaves in relation to VLAN traffic. Understanding these modes is significant for network design and security. Here are the primary VLAN switchport membership modes: Access Mode: In access mode, a switchport can… Read More »

VLAN Trunking Protocol – VTP Explained with Examples.

What is VLAN Trunking Protocol (VTP)? VLAN Trunking Protocol (VTP) is a Cisco proprietary protocol used in network management. It simplifies the administration of VLANs, which is especially useful in large networks with numerous switches. Here’s an overview of its key aspects: Purpose and Functionality: Centralized VLAN Management: VTP allows network administrators to manage all VLANs from a… Read More »