How to setup Fortigate firewall with Cisco core switches configured with VLANs?
Configuring a Fortigate Firewall is an important step for any network administrator. It not only ensures that the firewall is set up correctly, but also helps keep the network secure from any potential threats. In this article, we will discuss how to configure a Fortigate Firewall using CLI, from its first setup to more advanced […]
What is dynamic routing in Cisco? How to create dynamic routing on router devices?
Dynamic routing is a feature of Cisco routers that allows them to adjust routing paths based on changes in the network environment. It allows for more efficient use of router resources and helps ensure that traffic is routed optimally. With dynamic routing, router devices can automatically select the best route for data packets to reach […]
What is Spanning Tree Protocol? How to implement STP on multiple switch or router environment? How many STP modes are there?
Spanning Tree Protocol (STP) is a Layer 2 protocol used to prevent loops in the network by creating a logical topology of the network. It is used in Cisco IOS devices such as switches and routers to ensure redundant links are not creating broadcast storms and loops. STP works by assigning each switch or router […]
Initial/Basic configuration of Cisco Switches
Configuring Cisco switches is an essential part of any IT network. With the right configuration, you can ensure that your network is running optimally and securely. In this article, we will discuss how to configure a Cisco switch using the Cisco IOS command-line interface (CLI). We will cover topics such as setting up basic networking […]
What is ARP protocol? How to use arp commands on Windows?
The Address Resolution Protocol (ARP) is an essential protocol used in computer networks. It allows computers to map IP addresses to physical addresses like Ethernet MAC addresses, allowing them to communicate over the network. The arp command is a Microsoft Windows-based command line utility that can be used to view and modify the ARP cache. […]
What is Voice VLAN? How to use IP Phones on our network?
Voice VLAN is used to provide voice traffic with a dedicated VLAN. Voice traffic is isolated from other network traffic and so it doesn’t slow down the network. In order to make a work voice vlan and computer together, you should turn on the voice vlan in your cisco phone. This is done by providing […]
What is VTP (VLAN Trunking Protocol) ?
A VTP server is a switch to which other switches are connected. The VTP server maintains the VLAN database and propagates it to all the other switches. There are three modes in which a VTP server can operate: Server, Client and Transparent. The Server mode is used when there is more than one switch in […]
How to create Vmware server 6.5?
VMware server is a virtualization software that helps to create and manage virtual machines. This article will show you how to install VMware server 6.5 on Windows 10. Install VMware Server 6.5 1) Download VMware Server from the official website 2) Install the software on your computer 3) Open the program and select “Create a […]
Extended ACL list for enterprise network system. Download
In this simulation you can find all necessary configuration. You can download .pkt Cisco Package Tracer file and open it on your computer. There are 5 VLAN configured and 1 extended ACL implemented on whole VLANs. Basically, hit CLI tab on the switch which you want to check then enter “show running-configuration” command to see […]
Inter-VLAN Communication (Routing) and Extended ACL
Hello everyone, In this example we will create 4 VLANs on a mid-level network infrastructure. Above you can see the logical topology which we created. There is one DHCP server on 192.168.4.10/24 , one SQL-server on 192.168.3.2, four different client hosts and two layer-3 switches. We will use EXTENDED ACL to create some rules on […]