February 2026

Applying policies (such as QoS or security) to a VLAN on a Cisco switch involves defining the policy map and applying it under the VLAN configuration mode or to the Switch Virtual Interface (SVI). Use service-policy type qos input <policy-name within vlan configuration <vlan-id or apply ACLs to the SVI for layer 3 control.  Key Steps and Commands: switch(config)# class-map…

To create a VLAN on a Cisco switch, enter global configuration mode, type vlan [ID], name it, and assign ports using switchport mode access and switchport access vlan [ID]. Common commands include vlan 10, name Sales, interface fa0/1, switchport mode access, and switchport access vlan 10. Verify using show vlan brief.  Steps to Create and Configure a VLAN (CLI) Key Considerations

Software in Linux is primarily installed using package managers which access software from online repositories. This can be done through a user-friendly graphical interface (Software Center/Manager) or the command line.  Graphical Method (Recommended for Beginners) Most Linux distributions include a graphical software management application that functions like an app store.  Command-Line Method The command line offers more control…

Step-by-Step EIGRP Configuration (IPv4)  Example Configuration Key Considerations

Logical addresses (IP addresses) are software-assigned, hierarchical, and used for routing data between networks at the Network Layer. Physical addresses (MAC addresses) are hardware-level, burned into NICs, and used for local, node-to-node communication on a LAN. Logical addresses are flexible, while physical addresses are typically permanent.  Key Differences: Comparison Table: Feature  Logical Address (IP) Physical Address…

Configuring OSPF on a Cisco switch requires enabling routing, creating an OSPF process, defining the Router ID, and assigning interfaces to areas using wildcard masks. Key commands include ip routing (to enable L3), router ospf [process-id], network [address] [wildcard-mask] area [area-id], and show ip ospf neighbor for verification.  Basic OSPF Configuration Steps Alternative: Interface-Level Configuration  Instead of using network statements, you can enable OSPF…

Configuring an Active Directory (AD) server in Windows Server 2019 is a two-stage process: first, you install the Active Directory Domain Services (AD DS) role, and then you promote the server to a Domain Controller (DC). Prerequisites Before starting, ensure your server meets these vital requirements: Step 1: Install the AD DS Role Step 2:…

Aruba access point configuration typically involves connecting the AP to a PoE switch, identifying its DHCP-assigned IP, logging into the web interface (default: admin/serial number), setting a new password, and configuring SSIDs via the Instant UI or Aruba Central. Initial setup requires setting the country code and updating firmware.  Initial Setup Steps Configuration Methods This video…

Methods for Setup Post-Setup Relocation

Configuring a Fortinet AP231G without a physical controller (FortiGate) can be achieved by using the FortiLAN Cloud platform, which allows for standalone management. The AP connects to the internet and downloads its configuration from the cloud.  Prerequisites Step-by-Step Configuration (FortiLAN Cloud) Alternative: Local Standalone Configuration  If you do not want to use the cloud, you can configure it…