Networking at home

In the last 3 years I have posted a lot about Ericsson W25 Here is the Table of Contents to ease to find what you are interested in: Hardware: Ericsson W25 Fixed Wireless Router Introduction Hardware of the Ericsson W25 Firmware: Software of the Ericsson W25 The internals of a firmware package for Ericsson W25 New Firmware released for Ericsson W25 (1.3 R9D) Changes in Ericsson W25 11B firmware Here in the posts there is a picture on how to solder a serial console to the W25 and some discussion on how to get the root password Upgrading Ericsson W25 to firmware 11B Available linux commands in the Ericsson W25 Ericsson W25 Administration manual and root password available SW extensions: Accessing the command line interface of the Ericsson W25 Starting your own init script in Ericsson W25 Ericsson W25 Dynamic DNS Speed measuring script for Ericsson W25 Ericsson W25 DNS tuning External WEB server on Ericsson W25 Ericsson W25 Sending and receiving SMS Wake On LAN with Ericsson W25 AJAX Net...

I have a relatively complicated network setup at home and wanted to create a frontend to them, where I can easily switch on/off the servers, manage the server and router configurations, see if the internet is up and running ans see how many client computers are connected. After evaluating some options I conluded to use an AJAX based solution, running on the Ericsson W25 3G router. The idea was to have a schematic diagram showing all the computers on the newtork, with buttons on the computers to do management tasks. So here is the result: As you can see there are boxes for al routers and computers, with the power button you can swicth on or off the servers or restart the internet connection. With the setup button you can go to the management web interface for the servers or routers. In the bottom of the picture you see the clients who have got IP address, their status is checked with arping, so even with a switched on firewall you can see the status. In the information field for the ser...

The Ericsson W25 is running an embebbed linux. When you power on your device first the bootloader is started. The bootloader is responsible for loading in the complete operating system and start it up. In the Ericsson W25 there is a RedBoot bootloader , which has plenty of features. It is capable of booting from network, from serial devices, it has a telnet interface etc., but in our case it just selects the propper linux kernel and the propper root file system and starts up the linux operating system. All the software to be loaded is stored in the built in ROM, in 9 partitons: 0x00000000-0x00080000 : "RedBoot" 0x00080000-0x001c0000 : "kernel_A" 0x001c0000-0x007a0000 : "rootfs_A" 0x007a0000-0x008e0000 : "kernel_B" 0x008e0000-0x00ec0000 : "rootfs_B" 0x00ec0000-0x00fa0000 : "rwfs" 0x00fa0000-0x00fe0000 : "test" 0x00fe0000-0x00fff000 : "FIS directory" 0x00fff000-0x01000000 : "RedBoot config" As you c...