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 obtain WLAN traffic statistics using Gkrellm

How to obtain WLAN traffic statistics using Gkrellm

Gkrellm is a powerful system monitor utility on Linux systems. If you need to obtain CPU temperatures, disk I/O, network traffic incoming and outgoing statistics (daily, weekly or monthly), then this is the right choice.

To gather a sizeable amount of WLAN traffic count, you need to . . . → Read More: How to obtain WLAN traffic statistics using Gkrellm

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

Create VLAN on TP-Link WDR4300 wireless router with isolation

The TP-Link WDR4300 wireless router has an Atheros Chip. Due to this, it is not easy to set up VLANs (Virtual Local Area Networks) on it. Below explains how this can be done with the kind of problem that was overcome.

Problem: I had a guest computer on my home wireless network that kept sending . . . → Read More: Create VLAN on TP-Link WDR4300 wireless router with isolation

Broadcom 4313 wireless does not connect to network or internet in Linux but detects wireless networks

Wireless adapter on Lenovo Z580 does not connect to Internet in Linux although it detects all the wireless networks. Finally, got the settings right to enable the use of built-in Broadcom 4313 Network controller [0280]: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01)

Here are the steps. Open a terminal window. In the . . . → Read More: Broadcom 4313 wireless does not connect to network or internet in Linux but detects wireless networks

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

Update Linksys WRT54G2 router to DD-WRT

The normal Cisco / Linksys provided firmware on the wireless router does not have as many features as the firmware upgrades that the DD-WRT has made.

A short list of features from the DD-WRT include:

Ability to support VPN for secure communication SSH support for managing the router over the web or a terminal Better . . . → Read More: Update Linksys WRT54G2 router to DD-WRT

Nmap online – Network scans from the internet

You can use http://nmap-online.com It is the equivalent of scanning a system or network for open ports from outside of the network you are in.

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