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Dynamips This is the "grandfather" of network emulation. It specifically emulates the hardware of older MIPS-based Cisco routers (like the 2600, 3600, or 7200 series). It runs the actual Cisco IOS binary files. Dynamips is the technology leveraged by GNS3 sin...

Download Link The official download link for the lastest stable release as of 10 May 2026: https://www.gns3.com/software/download This downloads the file GNS3-2.2.59-all-in-one-regular.exe GNS3 GUI and VM Setup On the installer, at the Choose Component...

Projects and Resources After configuring the GNS3 VM, we can finally launch the GNS3 GUI and start a new project, which I will name "CCNA Security" (I will use it on the CCNA Security Labs). At the right section "Servers Summary", we can see both the GNS3 ...

Introduction ACS is a policy-based security server that provides standards-compliant Authentication, Authorization, and Accounting (AAA) services to your network. ACS facilitates the administrative management of Cisco and non-Cisco devices and applications. ...

Introduction After succesfully installing the ACS on a VMware VM and accessing the GUI, we are prompted to enter a license, otherwirse the product cannot be used: Obtaning an Evaluation License from cisco.com Go to Cisco Software Central and then access...

Introduction HUAWEI E3372s-153 is a high-speed packet access mobile hotspot. It is a multi-mode wireless terminal for SOHO (Small Office and Home Office) and business professionals. The E3372s-153 supports the following standards: Long Term Evolution（LTE）...

Introduction OpenWrt is a highly extensible GNU/Linux distribution for embedded devices (typically wireless routers). Unlike many other distributions for routers, OpenWrt is built from the ground up to be a full-featured, easily modifiable operating system fo...

Introduction In the previous page of this chapter we saw an introduction to OpenWRT and also checked the doc page for the Raspberry Pi. There, we confirmed the latest available release for the Pi 3 Model B which is 24.10.4 (as of May 2026). Download and Fl...

Connecting to Internet using the WWAN Interface Continuing where we left on the last page, we can see there is only a LAN interface, but in the current situation we don't have internet access. We will use the integrated WiFi chip (Cypress CYW43455) on the Pi ...

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 ...

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 ...

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...

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, ...