The musings of an IT Consultant:


May 31, 2012  4:26 AM

Wireless Spectrum Analysis

Posted by: Raj Perumal
802.11n, Metageek, spectrum analyzer, troubleshooting, wi-spy, wireless

Hi folks! Sometimes even using free tools to help you troubleshoot your wireless just won't work. Why is this? Well sometime the interference you are experiencing can't be detected by your wireless network card. Instead you need to use something called a spectrum analyzer to detect all signals...

May 31, 2012  4:22 AM

Troubleshooting WiFi

Posted by: Raj Perumal
802.11n, channel planning, co-channel interference, Inssider, troubleshooting, WiFi, wireless

Hi folks! Sometimes installing WiFi can just be a big pain. Sometimes, it just doesn't work as advertised. In those cases, you need to a bit of troubleshooting. More likely than not, you could be located in a zone with lots of contention for the same wireless channels you are using. One of the...

March 31, 2012  10:33 PM

Do you have enough power for your wireless?

Posted by: Raj Perumal
3x3 mimo, 802.11n, access point, ap, aruba, Cisco, meru, poe injector, poe+, wireless

Hi folks! So you have deployed that new 802.11n wireless solution but things just aren't quite working the way you want to. What's going on? Well all solutions aren't created equal, there are many APs out there that might not give you full 3x3 MIMO functionality . Even if you do have an AP that...

May 30, 2011  3:59 AM

Cisco AP541N Access Points

Posted by: Raj Perumal
802.11n, access point, AP541N, Cisco, small business, SMB, wireless

Hi folks! So for those of you that want to use cheap wireless and 802.11n, there aren't many options unless you want to go with really low end product. Well Cisco is now offering small business access points that do just that. The new AP541N access points support 802.11n and are a perfect fit...

May 30, 2011  3:50 AM

Cisco Aironet 3500 Series Access Points

Posted by: Raj Perumal
802.11n, access points, Cisco 3500, CleanAir, wireless, wireless lan controller, WLC

Hi folks! So in regards to 802.11n, here is a great access point for you to use. The cisco Aironet 3500 series of ap's have a technology that Cisco calls CleanAir. This allows the access points to mitigate wireless interference in heavy wireless use zones. For example if your office is located...

May 30, 2011  3:44 AM

802.11n Wireless

Posted by: Raj Perumal
802.11n, wireless

Hi folks! So with the plethora of mobile devices available, whether it's a laptop, smart phone or a tablet - we all need wireless. Not everyone wants to use their data plans for 3G or 4G. So sometimes you need access to a wireless network. However, most networks out their are rocking the good...

June 30, 2010  8:54 PM

Extending your LAN wirelessly

Posted by: Raj Perumal
bridge, Cisco, extend lan, HP, wireless

Hi everyone, one of the common questions I get is how a business can extend their LAN when they can't use normal wiring to do so. This inevitably leads to a discussion about wireless technologies and how this can be implemented. I am a big proponent of using some of Cisco's and HP's gear in...

October 31, 2009  8:26 PM

Great small business firewall from Cisco

Posted by: Raj Perumal
Cisco, Cisco SA 500, firewall, small business, Small Business Pro, SMB, wireless

So as a result of Cisco getting more and more into the small business world, they have finally decided to position a small business firewall in the market for the smallest of small businesses. The Cisco SA 500 series of security appliances. This is from the Cisco Small Business Pro line. The

September 30, 2009  9:05 PM

Oversubscribing your Internet

Posted by: Raj Perumal
bandwidth, cable, DSL, overprovisioning your internet, wireless

Hi folks, I wanted to talk about your Internet bandwidth in your client networks! These days most people have either cable or DSL for their Internet access. It's very rare that you see anyone with just dial-up access. Even wireless Internet services have become popular. However, the one thing I...

July 31, 2009  8:56 PM

UMA and the BlackBerry 8900 Javelin

Posted by: Raj Perumal
access points, BlackBerry 8900, cell network, data, Javelin, RIM, UMA, voice, wireless

Hi guys! As you know I am an avid user of the BlackBerry 8900. I love my BlackBerry for all things personal and corporate. One of my favourite features is UMA. The ability to do phone conversations over normal wireless access points. However lately I have run into an issue. Sometimes I want my...

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