Where Education Meets Knowledge
Views: 30 If you’re a network professional or student preparing for certifications like CCNA, CCNP, or CCIE, GNS3 is an essential tool. It allows you to emulate complex network topologies, test configurations, and troubleshoot issues—all without physical hardware. With support for Cisco, Juniper, Arista, and other vendors, GNS3 provides a realistic environment for hands-on learning. … Read more
Views: 71 Scenario:Make: CiscoModel: Cisco 2960 Series SwitchesMode: Command Line Interface [CLI]Description: This article explains how to troubleshoot and fix the common PoE error %ILPOWER-3-CONTROLLER_PORT_ERR on Cisco Catalyst 2960 switches. This error typically occurs when a PoE-powered device, such as a wireless access point or IP phone, is connected to the switch. It indicates that … Read more
Views: 274 Scenario:Make: FortiGate, FortiNetModel: FortiGate 400E, 100F, 60F, 240D FirewallsMode: Graphical User Interface [GUI]Version: 7.4.3 or aboveDescription: In this article, we will discuss a stepwise method of how to resolve the issue of GUI or HTTP/HTTPS access of Secondary unit of HA Fortinet Firewall stop working after firmware upgrade to 7.4.3 or above. Problem … Read more
Views: 1,446 Scenario:Make: CiscoModel: Cisco ASA 5500-X [ASA 5506-X, ASA 5506 W-X, ASA 5508-X etc]Mode: CLI [Command Line Interface]Description: In this article, we will discuss the stepwise method of how to reset Cisco ASA firewalls to its factory default settings. This configuration method is valid for 5500-X series ASAs. Here we will discuss the method of … Read more
Views: 1,033 Scenario:Make: Ubiquiti UnifiModel: Ubiquiti UnifiVersion: 8.6.9Mode: GUI [Graphical User Interface]Description: In this article, we will discuss a stepwise method of how to resolve the issue where the Ubiquiti Unifi controller is not allowing us to APPLY CHANGES on the controller version 8.6.9. It has been identified that after upgrading the firmware version of … Read more
Views: 504 Scenario:Make: Ubiquiti UnifiModel: Ubiquiti Unifi UXG Pro GatewayMode: GUI [Graphical User Interface] & CLI [Command Line Interface]Description: In this article we will discuss a stepwise method of how to do the initial setup of Ubiquiti Unifi UXG Pro Gateway. Refer to the linked article if you are setting up Ubiquiti Unifi USG Pro-4 … Read more
Views: 829 Scenario:Make: CiscoModel: Cisco 2960 SeriesMode: Command Line Interface [CLI]Description: In this article, we will discuss the stepwise method of how to factory reset Cisco 2960 switch. There are various methods through which we can factory reset the 2960 switches. We will discuss here 3 methods. This procedure is useful when you want to … Read more
Views: 431 SonicWall is an American cybersecurity company that sells a range of Internet appliances primarily directed at content control and network security. These include devices providing services for network firewalls, unified threat management (UTM), virtual private networks (VPNs), virtual firewalls, SD-WAN, cloud security and anti-spam for email. Recently SonicWALL has announced the implementation of … Read more
Views: 1,800 Microsoft Teams or also known as MS Teams is leading the communication medium in many organizations in recent days. It provides many features where you could create teams, Channel group etc. Video calling feature is also one of the best features of MS Teams. Microsoft has released new versions of Microsoft Teams. As … Read more
Views: 409 Scenario:Make: FortiGateModel: FortiGate 400E, 100F, 60F, 240D FirewallsMode: Graphical User Interface [GUI]Description: In this article, we will discuss a stepwise method of how to Upgrade and/or Downgrade the firmware of FortiGate firewalls. Process of firmware upgrade of FortiGate firewalls are similar to firmware upgrade of Cisco Switches, Dell Switches, Cisco ASA Firewalls, SonicWALL … Read more
Views: 514 Scenario:Make: FortiGate & ZabbixModel: Zabbix v 5.x upto 7.x, FortiOS v 7.2.8 or aboveMode: Command Line Interface [CLI]Description: In this article, we will discuss a stepwise method of how to resolve the SNMP polling issue in FortiGate HA management interface with Zabbix. Problem Sometimes when FortiGate firewalls are added to the Zabbix System … Read more