Networking
Incidencias
Cabling
Some theory on Ethernet straight-through and crossover cabling for 10BASE-T, 100BASE-TX and 1000BASE-T
A general introduction on Ethernet straight-through and crossover cables In an Ethernet straig...
Auto MDI-X a prueba: cables straight-through, crossover, hubs, switch y PCs
En este artículo pongo a prueba la teoría sobre los cables de Ethernet straight-through y crossov...
Autonegotiation and duplex mismatch theory
Introduction to autonegotiation For any 10/100 or 10/100/1000 interfaces (that is, interfaces th...
How to make an RJ45 to RJ45 rollover cable
A rollover cable (also known as a Yost cable, Cisco cable, or a Console cable) is a type of null-...
Cisco SPA122
About what is the Cisco SPA122 device and how can it be used
What is an ATA (Analog Telephone Adapter?
An analog telephone adapter (ATA) or foreign exchange station (FXS) gateway, is a device for conn...
What is the Cisco SPA122 ATA with Router?
The Cisco SPA122 ATA with Router combines VoIP services with an internal router for LAN connect...
Cisco SPA122 factory reset and initial setup
Introduction For this lab I am using a Cisco SPA122 device I bought on Wallapop (the product is ...
Configuring Cisco SPA122 to be used with a landline phone [O2 Spain]
Introduction I have the current situation at home: However, due to some needs, I needed to re...
Configuring Cisco SPA122 to be used with a 56K modem
Introduction We will take on the configuration from the last post where I showed how to configur...
Getting an Spanish SIP number from Flash Telecom and using it for dial-up connectivity
Introduction In preparation for another lab (Configuring a modem on the AUX port of a Cisco rout...
Dial-up modems
Using a dial-up modem on Windows 98
Introduction This is a follow-up article to installing a US Robotics 56K Faxmodem on Windows 98....
Connecting to a BBS using a dial-up connection
Introduction After reviewing how to connect and use a modem on Windows 98 we will now use a know...
Advanced US Robotics 56K modem configuration via AT commands
Introduction The Hayes command set (also known as the AT command set) is a specific command lang...
Reverse telnet theory + practical example
When a user telnets to a router, he is “logged on” directly to the router. Cisco adds a special t...
Configuring a modem on the AUX port of a Cisco router for EXEC dial-in connectivity
Introduction In many situations, it would be necessary to allow a router to accept interactive c...
Mobile broadband modems
Wireless
Reset Cisco Aironet 1700 Series LAP to factory defaults
Introduction For this lab I have the following AP model: AIR-CAP1702I-E-K9. This is an AP I boug...
Configuring an autonomous Cisco 1700 Series AP via CLI
Introduction We begin where we left off in the article of how to convert a lightweight AP (LAP) ...
Converting a Cisco Lightweight Access Point Back to Autonomous Mode
Introduction The AP used in this lab is a Cisco Aironet 1700i Series AP, an AIR-CAP1702I-E-K9. ...
Reset WLC 2504 to factory defaults
Via recover-config command Connect a console cable to a workstation Power on the WLC Wait un...
Deploy the 2500 Series Wireless Controller
Introduction The Cisco 2500 Series Wireless Controller supports a maximum of 50 lightweight APs ...
pfSense
How to access Movistar/O2 HGU GUI from pfSense
Introduction Beginning with the following topology: With the Movistar HGU router configured i...
Askey RTF3505VW-GV - Docs
TechInfoDepot - Technical Documentationhttps://techinfodepot.shoutwiki.com/wiki/Askey_RTF3505VW-G...
Carrying VoIP from bridge-mode HGU (Movistar) to pfSense
Introduction An HGU (which is a device that integrates ONT and router) from Movistar has been ch...
Upgrade de BIG-IP F5 LTM en modo HA
Introducción Dada una situación de HA con 2 equipos BIG-IP F5 LTM, se plantea el upgrade (que no...
Configuración de TACACS+ en VOSS (VSP 4000 y VSP 7000)
Introducción Se tienen varios equipos VSP de Avaya (ahora Extreme Networks) en distintas version...
Deshabilitar TLS 1.0 en F5 LTM para un dominio publicado en internet
Introducción Se busca deshabilitar TLS 1.0 para un dominio publicado en internet, ya que un repo...
Deshabilitar weak ciphers CBC + comprobación (dominios no publicados en internet)
Introducción Se tiene un dominio interno en F5 LTM (no publicado en internet), que según un repo...