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VLANs key notes

CCNA (200-301) Switching

The following list summarizes the most common reasons for choosing to create smaller broadcast do...

Updated 2 years ago by Sergio

RSTP theory (pending completion with NetAcad theory)

CCNA (200-301) Switching

Three classes of problems caused by not using STP in redundant LANS: Broadcast storm: The forw...

Updated 2 years ago by Sergio

Network Virtualization

CCNA (200-301) Automation and Programmability

Cloud Computing versus Data Center The terms data center and cloud computing are often used inco...

Updated 2 years ago by Sergio

Configuración de TACACS+ en VOSS (VSP 4000 y VSP 7000)

Networking

Introducción Se tienen varios equipos VSP de Avaya (ahora Extreme Networks) en distintas version...

Updated 2 years ago by Sergio

Using TightVNC to remotely control an old Windows 98 PC

Windows Windows 98

Introduction We have an old Windows 98 PC in our home network and we want to manage it via RDP. ...

Updated 2 years ago by Sergio

US Robotics 56K Faxmodem installation on Windows 98 (drivers + ControlCenter)

Windows Windows 98

Shut down your computer and connect the serial modem cable to the modem and the computer. ...

Updated 2 years ago by Sergio

Instalación de drivers + otras cosas útiles

Windows Windows 98

Al cargar por primera vez con un mouse conectado por USB, dejar que seleccione el driver por defe...

Updated 2 years ago by Sergio

Anexo - Consideraciones

Instalación Instalación inicial (2022)

31/12/2023: Al quitar el modo bridge del HGU y usarlo de nuevo como router por defecto (reset de ...

Updated 2 years ago by Sergio

Instalación de Windows 98

Windows Windows 98

En primer lugar, tener en cuenta que hay que desconectar fisicamente el segundo disco duro. Si ...

Updated 2 years ago by Sergio

Habilitar ejecución de scripts en PowerShell

Windows

Se quiere ejecutar un script .ps1 en PowerShell, pero la ejecución está bloqueada a nivel de máqu...

Updated 2 years ago by Sergio

Habilitar SSH passwordless (desde Windows y Linux)

Windows

Se tiene una máquina virtual ansibletarget1 (192.168.1.39) a la cual se quiere hacer SSH desde el...

Updated 2 years ago by Sergio

Anexo - Ajustes adicionales

Instalación Instalación inicial (2022)

Deshabilitar revisiones Dado que no hay una forma de deshabilitar las revisiones como tal, l...

Updated 2 years ago by Sergio

IPv4 Subnetting

CCNA (200-301) IPv4 + IPv6 addressing and subnetting

Analyze Subnetting and Addressing Needs Which hosts should be grouped together into a subnet? ...

Updated 3 years ago by Sergio

IPv4 addressing

CCNA (200-301) IPv4 + IPv6 addressing and subnetting

IPv4 address structure An IPv4 address is a 32-bit hierarchical address that is made up of a net...

Updated 3 years ago by Sergio

Anexo - Backups

Instalación Instalación inicial (2022)

Se sigue la guía: https://www.bookstackapp.com/docs/admin/backup-restore/ Para hacer un backup...

Updated 3 years ago by Sergio

Building a Wireless LAN (teoría sobre WLCs + LAPs; split-MAC)

CCNA (200-301) Wireless

Introduction The AP maps each VLAN to a WLAN and BSS. The autonomous AP has a single wired Et...

Updated 3 years ago by Sergio

Analyzing Cisco Wireless Architectures

CCNA (200-301) Wireless

The architectures: Autonomous AP architecture Cloud-based AP architecture Split-MAC architec...

Updated 3 years ago by Sergio

Securing Wireless Networks

CCNA (200-301) Wireless

Authentication To use a wireless network, clients must first discover a basic service set (BSS) ...

Updated 3 years ago by Sergio

Wireless LANs fundamentals

CCNA (200-301) Wireless

Wireless LAN Topologies Wireless communication takes place over free space through the use of RF...

Updated 3 years ago by Sergio

Habilitar SSH en CentOS 9 Stream

Linux

Al levantar la VM por primera vez con Vagrant, solo puedo acceder por ssh haciendo vagrant ssh. C...

Updated 3 years ago by Sergio