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OpenWRT - Using a 4G USB Modem as a WWAN for Internet Access (Pi 3 Model B)

Networking OpenWRT

Introduction On the following page: Huawei E3372s-153 - Full Guide I explained how to prepare a Huawei E3372s-153 modem to work in stick mode, which means it can be used on OpenWRT installed on a Pi 3 Model B (i.e). On this page I will explain how can ...

OpenWRT - Sending AT Commands to WWAN 4G USB Modem

Networking OpenWRT

Introduction When using an LTE USB modem (like the Huawei E3372s-153) on an embedded system or single-board computer (SBC), the device operates black-boxed behind network layers. Standard web interfaces (LuCI) or network commands (ifconfig) only show Layer 3 ...

OpenWRT - Bridging the 4G Modem Public IP to Another Device

Networking OpenWRT

Introduction In order test further topologies, I need another device (like a firewall) to hold the real, non-NATed dynamic public IPv4 address provided by the ISP (Movistar) via a Huawei E3372s-153 4G USB modem. Standard Linux kernel bridges ( br-ctl / br-lan...

Mi Box S 3rd Gen - Introduction and Debloatting

Android Mi Box S 3rd Gen (MDZ-32-AA)

Introduction The Xiaomi TV Box S 3rd Gen is a compact 4K multimedia streaming player designed to turn standard TVs into Smart TVs. Running on modern Android TV (Google TV) architecture, it serves primarily as a dedicated media center for streaming high-defini...

Mi Box S 3rd Gen - Installing a Custom Launcher

Android Mi Box S 3rd Gen (MDZ-32-AA)

Introduction After successfully setting up and debloating the Mi Box S in the previous step, the device is now running significantly leaner with unnecessary background processes and stock clutter stripped away. However, to completely get rid of the ad-heavy, ...

Some History and Original LAN Addressing

Home 1 Phase 1

From Copper to Glass: A Personal Journey Through Spain’s Broadband Evolution For many tech enthusiasts, the history of home internet is measured in the hardware that sat in our living rooms. Looking back at the connectivity history of my parents house (which I...

The Transition to a 3rd Party Router

Home 1 Phase 1

Introduction The problem with the comms setup at Home 1, is that due to the nature of the floor plan, WiFi coverage was always less than half of the home. This problem existed since the very beginning with the Zyxel ADSL router, and continued with the VG-8050...

Information Reference

Routers [Branch] Askey RTF3505VW-GV

TechInfoDepot - Technical Documentation https://techinfodepot.shoutwiki.com/wiki/Askey_RTF3505VW-GV Internal photos https://photos.google.com/share/AF1QipOw-c3niS5ZUpl_86UBXABeGfcxXkmjVy0DeCRvu3CE4zSoh-moLcwph3twDgy0LQ?key=V0lDSWxUWGFSemVxajIzOFQ3NFpFMDlyalVGV...

Proxmox VE 9.0 - Optimizing Network Interfaces Configuration

Home 2 Proxmox VE

Introduction After going through what is described on the previous pages, I have the following network interfaces configuration at Proxmox: That said, seeing all this mess is what they call "bridge explosion." I have a mix of traditional Linux bridges, host-le...

Resolving Split-Brain DNS, SSL Certificate Expiry, and Active Directory Domain Conflicts

Home 2 Windows Server 2008 R2

PART 1: The Initial Dilemma & Network Layout The Infrastructure Public Domain: sergio-jimenez.net (Managed externally via Cloudflare). Internal Web Server: Bookstack wiki hosted on a Raspberry Pi ( 10.0.40.25). Reverse Proxy: Nginx Proxy Manager (NPM) acting ...

NPM: Use Cases + Installation and Configuration

Home 2 Nginx Proxy Manager

Introduction Nginx Proxy Manager is a tool that provides a web-based interface to manage Nginx reverse proxies. It enables users to easily and securely expose their services to the internet by providing features such as HTTPS encryption, domain mapping, and ac...

Technitium DNS Server: Use Cases + Installation and Configuration

Home 2 Technitium DNS Server

Introduction Technitium DNS Server is a free, open-source and privacy-focused DNS (Domain Name System) server software for Windows, Linux, and macOS. It is designed to provide a secure, fast, and reliable DNS resolution service to its users. The server can be ...