Archives by: JMCristobal

JMCristobal

63 Posts 1 comments

About the author

JMCristobal Posts

Números de sistema autónomo - BGP

CCNA Enterprise Infrastructure
There are two types of BGP Autonomous system numbers: Private and Public. Various routing protocols use Autonomous System (AS) Numbers. IANA allocates AS Numbers to Regional Internet Registries ...
Read more 0

Instalar EVE-NG en VMware ESXi

Network Lab
EVE-NG platform allows to create virtual proof of concepts, solutions and training environments. EVE-NG is the first clientless multivendor network emulation software that empowers network and security professionals ...
Read more 0

Upgrade ASA an Active/Standby Failover Pair Using the CLI

Security
In this tutorial, we will update two ASA firewall 5585-X from CLI. Actual version 9.8.4.20Target version 9.8.4.44 Note: Perform these steps on the active unit Step 1 – ...
Read more 0

Configuración de un repositorio SFTP en ISE

Security
Cisco ISE allows you to create and delete repositories through the administrator portal. You can create the following types of repositories: Disk, FTP, SFTP, NFS, CD-ROM, HTTP and ...
Read more 0

Instalar Docker en Ubuntu

Devnet Linux
In this article we will learn how to install Docker on an Ubuntu 20.04 operating system. 1.-Installing the initial requirements with the following commands. sudo apt-get update sudo ...
Read more 0

Introducción a las Redes

CCNA Networking Fundamentals
Today’s networks have changed unimaginably; in just a few years, their limitations have evolved on a large scale. The first data networks could only exchange character-based information. Today ...
Read more 0

Creación de un entorno virtual con VENV - Python

Devnet Linux
This article teaches how to set up a python virtual environment on a Ubuntu 20.04.An Environment Virtual allows you to manage separate package installations for different projects. They ...
Read more 0

Configuración de EIGRP

Enterprise Infrastructure
Enhaced Interior Gateway Routing Protocol – EIGRP Its internal administrative distance is 90, and the external one is 170. So that a router configured with EIGRP can exchange ...
Read more 0

RIPv2

Networking Fundamentals
Protocolo de información de enrutamiento versión 2. El primer protocolo de enrutamiento sin clases es la evolución de RIP v1, además de soportar VLSM (máscara de subred de longitud variable).RIPv2 se conoce como un vector ...
Read more 0

La Tabla de Enrutamiento

Networking Fundamentals
La función principal de un router es enviar un paquete a su red de destino, que es la dirección IP de destino del paquete. El router busca ...
Read more 0

Instalar python en Ubuntu 20.04

Devnet Linux
Python 3 is installed by default on the Ubuntu 20.04 Linux distribution. To ensure that our versions are up to date, we will update and upgrade the system ...
Read more 0

Basic Git Commands

Devnet Linux
We show you the most common Git commands in this Cheat Sheet. It is difficult to memorize all the important Git commands, so save this article for future ...
Read more 0

Umbrella and YouTube live streaming issues

Security
A few days ago, we decided to enable Enforce SafeSearch in some Umbrella policies. However, we received several reports with problems accessing YouTube live streaming. After the change, ...
Read more 0

Switched Port Analyzer (SPAN and RSPAN)

Enterprise Infrastructure
SPAN (Switched Port Analyzer) is a feature that allows copying traffic from a source port or switch vlan to a destination port. In this article, we will discuss: ...
Read more 0

Configurar AAA en Switch Cisco IOS

Enterprise Infrastructure
AAA – Authentication, Authorization, AccountingAuthentication: Who is the user?Authorization: What can the user do?Accounting: What did the user do? Cisco switches use two protocols for communication with AAA ...
Read more 0
es_ES