Where Education Meets Knowledge
Views: 10,523 Scenario:Make: CiscoModel: Cisco 2960 Series SwitchesMode: Command Line Interface [CLI]Description: This article focuses on resolving issues where hosts experience instability or LAN/Wireless connections drop intermittently due to MAC address flapping. MAC flapping occurs when a switch detects the same MAC address appearing on multiple ports, causing confusion in the forwarding table. On Cisco … Read more
Views: 907 Scenario:Switch: Cisco 2960, 3650, etcServer: Radius Server 2012, 2016, 2019Description: This article is to discuss and show, how to change the Radius Server priority on a Cisco switch stack if Radius Fail-over on Cisco Switches is configured. Refer to the article to know How to Configure Radius Authentication on Cisco Switches. Follow the … Read more
Views: 355 Scenario:Make: DellModel: N4032, N2048, etcServer: Radius Server 2012, 2016, 2019Description: This article is to discuss and show, how to change the Radius Server priority on a Dell switch stack if Radius Fail-over on Dell Switches is configured. Refer to the article to know How to Configure Radius Authentication on Dell Switches. If you … Read more
Views: 6,220 Sometimes we SSH onto a device using putty we get an error “Couldn’t agree a key exchange algorithm” and SSH onto the device fails. There could be many reasons behind this. In this article, we will discuss one of the methods to resolve the error. Problem Sometimes when we try to SSH onto … Read more
Views: 2,903 Scenario:Make: UbiquitiModel: Ubiquiti Unifi Security Gateway Pro-4Mode: GUI (Graphical User Interface)Version: 6.5.55Description: In this article, we will discuss a detailed stepwise method of how to configure port forwarding & add a static route in Ubiquiti Unifi Security Gateway Pro-4. Refer to the article if you are looking to configure SPAN or Port Mirroring … Read more
Views: 1,307 In this article, we will discuss in detail the term Port-Channel, Ether-Channel or Link Aggregation. We will here also discuss the different modes of Ether-Channel or Channel Group. Port Channel A port-channel bundles physical links into a channel group to create a single logical link that provides the aggregate bandwidth of up to … Read more
Views: 1,740 Scenario:Make: Cisco [Firewalls, Switches, Routers]Model: ASA 5506-X, ASA 5506 W-X, ASA 5508-X, Cisco 2960, etcMode: CLI (Command Line Interface)Description: In this article, we will discuss the issue and solution of Timeout Error while data backup or image/IOS transfer through TFTP to Cisco ASA Firewalls, Switches and/or Routers in rommon mode. Sometimes we get “Unspecified Error … Read more
Views: 606 Introduction Telnet is an abbreviation of Terminal Network. Telnet provides connections to the remote computer in such a way that a local terminal appears to be at the remote site. Here we will discuss how to enable telnet service on Windows 10 machines i.e. on laptops or desktops. In Microsoft Windows 10 machines … Read more
Views: 1,889 Scenario:Make: UbiquitiModel: Ubiquiti Unifi Network devices [Access Points, Switches, Ubiquiti Security Gateway]Mode: Graphical User Interface [GUI]Description: This article is to discuss the issue and solution of the “STUN Communication Error” between the UniFi managed devices and the UniFi Network application. Problem STUN stands for “Session Traversal Utilities for NAT“, it provides a way … Read more
Views: 343 Scenario:Make: Dell SwitchesModel: N4032, N2048, etcServer: Radius Server 2012, 2016, 2019Description: In this article, we will discuss a stepwise method of how to bypass or authorize or unauthorize Radius on an interface of the Dell switch. This configuration is valid for other Dell switch models as well. RADIUS is an authentication method that … Read more
Views: 539 Scenario:Switch: Cisco 2960, 3650, etcServer: Radius Server 2012, 2016, 2019Description: In this article, we will discuss a stepwise method of how to bypass or authorize or unauthorize an interface of the Cisco switch. This configuration is valid for other Cisco switch models as well. RADIUS is an authentication method that can be configured … Read more