How to add a Guest Wireless Network with Isolation in OpenWRT on a wireless router

Problem Statement

Several guests come home and ask for Wi-Fi access to connect to the internet to see emails, etc. Most times, we give them our main SSID wireless password everytime to connect. This has several disadvantages, though not limited to those listed below:

The guest now has a permanent record of your Wireless SSID . . . → Read More: How to add a Guest Wireless Network with Isolation in OpenWRT on a wireless router

Cannot connect to OpenWRT router using SSH after OpenWRT firmware upgrade

OpenWRT is a very powerful router firmware. Since I wanted to upgrade the router firmware, I took a backup of the configuration and then did a complete erase of the configuration settings at the time of firmware upgrade. After logging in, and setting up SSH as a means to log in to the router, SSH . . . → Read More: Cannot connect to OpenWRT router using SSH after OpenWRT firmware upgrade

Unable to log into LuCi web interface after upgrading OpenWRT from barrier-breaker to chaos-calmer

I applied the Chaos Calmer OpenWRT firmware upgrade on the TP Link WDR4300 router. Very important to note that if you already use OpenWRT on the router, install the sysupgrade and not the factory binary firmware file. Use factory only when upgrading from the factory TP Link firmware.

For first time install use this file . . . → Read More: Unable to log into LuCi web interface after upgrading OpenWRT from barrier-breaker to chaos-calmer

How to set up an isolated Guest WLAN on TP-Link WDR4300 with OpenWRT using command line

You have guests at your home and they want to use your wireless network to retrieve emails, etc off the Internet. This is not a unique situation, but is quite common everywhere, with the proliferation of devices and services that require Internet access. The only issue you face is that if you give them your . . . → Read More: How to set up an isolated Guest WLAN on TP-Link WDR4300 with OpenWRT using command line

How to watch the internet connections established by devices on OpenWRT router real-time with iftop

We all want to know to which internet connections our devices connect to. One of the best ways to do that, is use iftop.

Install the iftop package in OpenWRT on the router itself to enable it to be used to monitor these network connections.

To do so, open a terminal window on your computer . . . → Read More: How to watch the internet connections established by devices on OpenWRT router real-time with iftop

How to upgrade packages in OpenWRT to apply updates, security patches and more

So you installed the OpenWRT firmware on your wireless router! It works like a charm. However, what would you need to do to upgrade the firmware periodically? A secure router is only as good as the last security patch applied.

The best feature of OpenWRT over dd-wrt or even Android, is that you do not . . . → Read More: How to upgrade packages in OpenWRT to apply updates, security patches and more

Downgrade dd-wrt firmware from dd-wrt version 24461 to dd-wrt version 24160

Recently, there have been no upgrades to the dd-wrt firmware I use on my routers. Found that the last dd-wrt firmware version 24461, did not permit upgrades to newer firmware due to a bug in it. It also did not allow downgrades to a lower version of dd-wrt via the Web GUI interface or any . . . → Read More: Downgrade dd-wrt firmware from dd-wrt version 24461 to dd-wrt version 24160

How to extend range of Wireless Network using DD-WRT and another router for free

Wireless LAN networks have a limited range. If you are a home user with a single internet connection, you can go wireless with one router. However, you may not get the wireless signal across your home. To make it work across a wider area, you need to extend your wireless network. You can extend the . . . → Read More: How to extend range of Wireless Network using DD-WRT and another router for free

Flashing dd-wrt on TP-Link WDR4300 router

The TP-Link WDR4300 wireless router comes with dual band and the default TP-Link firmware. This firmware is good for normal users but, if you install DD-WRT on the router, you can make it do a lot more.

Download latest dd-wrt firmware for the WDR4300 from http://www.dd-wrt.com/site/support/router-database Remove internet cable from the router Do a 30/30/30 . . . → Read More: Flashing dd-wrt on TP-Link WDR4300 router

How to boost the wireless range of your WRT54G2 router

It is possible to safely boost the wireless range using the DD-WRT firmware. After you install the firmware, visit this link to figure out how this can be done. http://www.dd-wrt.com/wiki/index.php/Advanced_wireless_settings#TX_Power. Do not make this value very high, else you could end up with more error packets and performance degradation. A very high value could result . . . → Read More: How to boost the wireless range of your WRT54G2 router

September 2017
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