Posts tagged with "Network"

How to Configure IP Address in Juniper Router Interface

To configure an IP address on a Juniper router interface, access the router via CLI and enter configuration mode using …

Apr 11, 2025

Suresh Thapa

How to Configure OSPF Multi Area on Cisco Devices

In this section, we will discuss how to configure OSPF Multi-Area. Setup topology on GNS3 and configure IP addresses s…

May 11, 2025

Suresh Thapa

How to Configure OSPF Single Area on Cisco Devices

Configuring OSPF (Open Shortest Path First) in a single-area setup is a fundamental step in establishing efficient rout…

May 10, 2025

Suresh Thapa

How to Configure DHCP Server on Cisco Router

Dynamic Host Configuration Protocol (DHCP) is a network protocol that enables a server to automatically assign an IP ad…

May 22, 2025

Suresh Thapa

How to Configure SSH (Secure Shell) on Cisco Devices

Secure Shell (SSH) is a protocol which provides a secure remote access connection to network devices. Communication bet…

May 23, 2025

Suresh Thapa

How to Configure Console, AUX, Telnet, Enable, and Enable Secret Passwords on a Cisco Router

When setting up a Cisco router, it's essential to configure various passwords to secure different modes and access poin…

May 24, 2025

Suresh Thapa

How to Configure DHCP Server on Juniper Router and Switch

Dynamic Host Configuration Protocol (DHCP) is a network protocol that enables a server to automatically assign an IP ad…

May 25, 2025

Suresh Thapa

How to Configure VLANs and Trunk Ports on Juniper Switch

In this blog, we’ll walk through how to configure VLANs, Access Ports, and Trunk Ports on Juniper switches using JunOS …

May 28, 2025

Suresh Thapa

Juniper Switch Routed VLAN Interface (RVI) L3 Interface

Why Should I Use an RVI? In addition to providing communication between VLANs, an RVI binds specific VLANs to specific …

May 28, 2025

Suresh Thapa

How to Configure VLANs and Trunk Port on Cisco Switch

A VLAN is a group of devices on one or more LANs that are configured to communicate as if they were attached to the sam…

Jun 02, 2025

Suresh Thapa

How to Configure Switch Virtual Interface (SVI) as a Layer 3 Interface on Cisco Switch

A Switched Virtual Interface (SVI) is a VLAN of switch ports represented by one interface to a routing or bridging syst…

Jun 05, 2025

Suresh Thapa

How to Configure EtherChannel on a Cisco Switch: Step-by-Step Guide

EtherChannel is a port link aggregation technology. It allows grouping of several physical Ethernet links to create one…

Jun 06, 2025

Suresh Thapa

STP – Spanning Tree Protocol Configuration on Cisco Switches

Prevent switching loops and ensure network redundancy with Spanning Tree Protocol (STP)! Learn how to configure STP on …

Jun 07, 2025

Suresh Thapa

Multiple Spanning Tree Protocol (MSTP) on Cisco Switch

Multiple Spanning Tree Protocol (MSTP) was first specified in IEEE 802.1s and is standardized in IEEE 802.1Q. MSTP enab…

Jun 09, 2025

Suresh Thapa

How to Configure Static and Default Route on Cisco Router

Static routing is a form of routing that occurs when a router uses a manually-configured routing entry, rather than inf…

Jun 11, 2025

Suresh Thapa

How to Configure HSRP – Hot Standby Routing Protocol

HSRP Hot Standby Router Protocol is a redundancy protocol for setting up a fault-tolerant default gateway in a LAN envi…

Jun 13, 2025

Suresh Thapa

VTP – VLAN Trunking Protocol on Cisco Switch

VLAN Trunk Protocol (VTP) reduces administration in a switched network. When you configure a new VLAN on one VTP server…

Jun 16, 2025

Suresh Thapa

Part 1: Designing a Scalable Cisco Network Topology: Core, Distribution, and Access Layers

In today’s enterprise environments, building a robust, secure, and scalable network is essential to support business op…

Jun 21, 2025

Suresh Thapa

Part 2: Designing a Scalable Cisco Network Topology: Basic Switch Configuration and VLAN Planning

This blog series is a step-by-step journey through a fully functional enterprise-grade network lab built using Cisco ro…

Jun 22, 2025

Suresh Thapa

Part 3: Designing a Scalable Cisco Network Topology: VLANs and Trunk Links Between Switches

In this part, we will focus on segmenting the network using VLANs and establishing trunk links between switches to allo…

Jun 25, 2025

Suresh Thapa

Part 4: Designing a Scalable Cisco Network Topology: Spanning Tree Protocol (STP) to Prevent Loops and Ensure Network Stability

In a switched network with redundant links, Layer 2 loops can cause broadcast storms, MAC table instability, and comple…

Jun 28, 2025

Suresh Thapa

Part 5: Designing a Scalable Cisco Network Topology: Link Aggregation with EtherChannel

As networks grow, link redundancy and bandwidth become essential for handling more traffic and ensuring resilience. Cis…

Jul 02, 2025

Suresh Thapa

Part 6: Designing a Scalable Cisco Network Topology: Inter-VLAN Routing with Layer 3 Switches Using SVIs

By default, VLANs on a switch are isolated from one another — devices in VLAN 10 can’t communicate with devices in VLAN…

Jul 05, 2025

Suresh Thapa

Part 7: Designing a Scalable Cisco Network Topology: HSRP for Redundant Gateway Configuration

High Availability is crucial in enterprise networks — especially at the default gateway level. If the gateway fails, de…

Jul 07, 2025

Suresh Thapa