Explore essential network concepts, monitoring, configurations, and troubleshooting tips to ensure secure and reliable connectivity for your systems and devices
In this article, we shall discuss how to Activate Cisco ASA 5505 License. The Cisco ASA (Adaptive Security Appliance) is a security device that integrates a robust firewall, intrusion prevention system (IPS), and virtual private network (VPN) capabilities. Cisco ASA is widely deployed to protect enterprise networks by controlling access, preventing attacks, and ensuring secure…
iDRAC (Integrated Dell Remote Access Controller), IPMI (Intelligent Platform Management Interface), and iLO (Integrated Lights-Out) are all out-of-band management technologies commonly used in enterprise IT environments to remotely monitor and manage servers. Each of these technologies is associated with specific hardware vendors. In this article, we will discuss the difference between iDRAC, IPMI, and ILO….
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GNS3 is open-source software that helps in emulating networks using the Cisco Internetwork Operating Systems (IOS). GNS3 enables you to run a Cisco IOS in a virtual environment. It serves as a graphical user interface to Dynamics also. In this article, you will learn about how to make a router function as a switch in…
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Most Cisco devices including routers and switches use a CLI (Command Line Interface) to configure the network device. The CLI is an interface, based on text. You type in configuration commands and use show commands to get the output from the router or switch. In this guide, you will learn about some Common Cisco ASA…
In this short article, we will discuss “SG300 Firmware Upgrade Copy: Illegal software format”. Please see How to enable Secure Boot on PC to install Windows 11, and How to enable or disable Secure Boot in Windows. When I had this error, some articles suggested that you need to install the upgrade the boot loader…
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The Configuration files contain commands that you enter to customize the function of the Cisco IOS software. You can create a basic configuration file by using the setup program or by entering the setup privileged EXEC command. Startup configuration files are used during system startup to configure the software. In this article, we shall discuss how…
The Spanning Tree Protocol is a network protocol that builds a loop-free logical topology for Ethernet networks. The basic function of STP is to prevent bridge loops and the broadcast radiation that results from them. In this article, we shall discuss how to disable Spanning-Tree Globally. Please see the following related guides: DHCP Automatic IP…
Access ports are used primarily for hosts and can only carry traffic for a single VLAN. Access ports are the frames received on the interface that are assumed to not have a VLAN tag and are assigned to the specified VLAN. For more articles, see the following links: Configuring WSUS Email Notification to Work With…
In this article, you will learn how to Configure a username and secret on a Cisco Switch and Router. A switch facilitates the sharing of resources by connecting together all the devices. This includes computers, printers, and servers, in a small business network. Just as a switch connects multiple devices to create a network. A…
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Link Aggregation Control Protocol is part of the IEEE specification 802.3ad that allows you to bundle several physical ports to form a single logical channel. When you change the number of active bundled ports on a port-channel, traffic patterns will reflect the rebalanced state of the port channel. Here are the steps needed for a LACP…
Follow the steps discussed in this guide to configure a console port password on the Cisco Router. In this example, a password is configured for users attempting to use the console. For related guides on Cisco, see: How to configure a username and secret on Cisco Switch and Router, how to wipe configuration off an…
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Cisco routers and switches are essential networking devices used to connect computers and devices in both home and enterprise environments. They play critical roles in data transmission, network management, and overall infrastructure functionality. In this article, we shall discuss the security Best Practice to secure your Cisco Router and Switches. Please see Disable Web console…
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In this article, we shall discuss the fix for “Error – Command rejected: An interface whose trunk encapsulation is “Auto” can not be configured to “trunk” mode”. The error message is prompted when you attempt to configure an interface to trunk mode. While its encapsulation is set to “Auto.” This happens when the switch cannot…
