Showing posts with label ADSL. Show all posts
Showing posts with label ADSL. Show all posts

Thursday, November 20, 2014

Netgear modem refusing an IP address change? Try this...


In my line of work, I install new ADSL modems on an ongoing basis, and I often need to change the default IP address that the modem is setup with.
One of my best sellers is the Netgear DGN2200, however I ran into an odd problem recently which puzzled my poor brain to pieces, until one of the awesome tech support guys at Netgear shed some light on the situation.

The webpage when you setup the modem IP address looks something like this:


It all seems pretty simple - fill in the new IP address, and hit Apply at the bottom.
Done, right?
Not in this case - no matter how many times I tried, the router would reboot, and then revert to the original default "192.168.0.1" IP address.
Highly frustrating.

Even Google was clueless - combing through the search results revealed nothing of use.
At the end of my wits, I fell back on the support guys at Netgear - I mean after all, that's what they are there for, surely?

2 words: "Change browsers."

The answer to a problem which became a rather unpleasant throbbing pain in my right temple, was that simple.
Accessing the web interface of the router from Internet Explorer 11 rather than from Chrome, and performing the exact same steps, resulted in a fresh new IP address.

Now if only all IT problems were that simple to fix :)

Thursday, October 4, 2012

Telkom have delivered...! Been nice knowing you, 384Kbps...

For years now, I have been plodding along on Telkom's baseline ADSL offering (384Kbps).
At first it was fine, but the internet is now one massive data crunching machine, and this means that 384Kbps just won't do anymore.

Thankfully, Telkom have been promising free speed upgrades of their base offering, from 384Kbps up to 1Mbps (approx. 3 x faster), starting this month (October 2012).

Now we human beings just love to complain.
Here in South Africa, Telkom often bears the brunt of such moaning, as their reputation in recent years has become somewhat less than stellar.

Imagine my disbelief then, when I logged into my ADSL modem tonight and saw this tidbit of info...:

Telkom, I gotta say, I am pretty darn impressed.
It's only the 4th of the month and already you have upgraded my line - good going guys!

In addition, my internet now feels insanely quick when compared to what I had before - I am having flashbacks to when I had a performance pipe installed on my 125cc motorbike back in high school... :)

So from my side, no complaints or digs at Telkom today... just gratitude. Thank you Telkom!
Have you had your ADSL line speed upgraded yet?


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Tuesday, July 26, 2011

You gotta love Telkom...

Here in South Africa, we are truly blessed to have a company called Telkom controlling all things ADSL... ;)
If you want ADSL for your home / office, well you need a landline to start with, and the only guys who provide that are... yup - Telkom!

Sure you can always opt for Neotel, who at launch, were supposed to be the official competitors to Telkom, but their service is wireless and does not rely on a physical copper cable in the ground, hence it is not ADSL and does not quite match up in terms of speed and stability.

Dealing with Telkom though, as many locals will testify, can be somewhat trying at times.
Take for example, this priceless screenshot of a failed ADSL self-installation...

Success!!! You failed!!!
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Tuesday, July 6, 2010

What is up with the internet at the moment?

So all hell broke loose yesterday as regards internet connectivity in our country - officially, a repeater on the SEACOM cable that runs up the East African coastline went down.

In short, this sent a number of ISP's down as ADSL connections coutrywide started dropping like flies...
Well, they didn't actually drop - they remained connected but sporadically so.
In some cases, browsing was a no-no but mail was working fine - so it would seem to be affecting specific ports on ADSL connections.

Last I heard, we can expect to wait from 6-8 days until the fault is fully repaired.
Much customer grumbling can be heard when a 6-8 day repair time is offered by a provider, however it must be noted that such a repair involves locating the fault physically, bringing the faulty portion up to the surface, repairing it and then re-laying it on the seabed.
Not an easy fix by any means.

SEACOM - I wish you loads of luck!

Tuesday, April 6, 2010

Who is using up all of my bandwidth...?

If this were the UK or the USA, we would have no need to worry about internet usage in the workplace - an extra gig here and there would be no big deal.
This is South Africa, though, which means that (until recently, at least) we have had to deal with the very real dilemma of data capping on our broadband internet usage. That said, only time will tell how good the latest uncapped ADSL offerings really are... (holding thumbs!!)

So what do you do if you are a small business and you find that you are frequently hitting your cap?
Or maybe you just want to know what your staff are up to when you are out... what websites they are visiting and what they are downloading...

Well there are several "packet-sniffer" utilities that will do the job for you, for the most part at least.
Over the years I have worked my way through a lot of them, on a quest to find out which one does the best job.
One that stood out for me was Network Probe - even their free version offers decent features, but the results need a bit of deciphering to understand them properly.
That's pretty much the biggest problem I found with a lot of the software I tried out - it was a mission to get it running correctly, and the results resembled ancient Egyptian hieroglyphics...

What you really need is a simple, foolproof program that can present reliable and accurate stats in a format that the layperson can easily understand.

Enter TupSight.
TupSight is just that - it installs on an XP / Vista / 7 / SBS / Server PC, and acts as a network gateway for  internet traffic. It is not a packet sniffer - rather, all internet traffic passes directly through it.

To quote the manufacturer's website:

"Unlike many other packet sniffing programs that use WinPcap library (www.winpcap.org) as the driver to capture live network data, TupSight is an NAT router technology-based EIM (Employee Internet Management) product realizing direct and reliable web monitoring and control at the Internet gateway.
TupSight can be installed on one of the computer hosts on any LAN infrastructures (i.e., no matter whether they are switched or wireless); and is NIC (network interface card)-independent"

For most configurations, there is a 3-step process to set it up:

- install TupSight on the gateway PC;
- change the Default Gateway setting on the PC's to be monitored, to point to the PC that TupSight is installed on;
- open TupSight, scan the LAN and select the PC's you want to monitor.
- Voila - you are good to go (unless your configuration requires some additional tweaking or special setup).

Personally, I have found that TupSight produces the most useful and easy to read results, out of all the monitoring software that I have ever used.
It reports total traffic by user, and then breaks it down into which sites were visted, and how much data was used at each site. It can produce reports for a specific day, or for a customizable period of time (e.g. 01 April - 15 April, by a single user or for all users).

You can also track activity produced by chat software and FTP, as well as request mail logs - the program is able to track all activity on Ports 110 (incoming mail) and 25 (outgoing mail), thus keeping a complete record of all mail activity (including mail content) for the hosts being monitored.
TupSight is a seriously powerful tool, and I have found it to be a hugely useful in tracking down areas of unacceptably high internet usage in a LAN environment.

Don't take my word for it though - rather head on over to http://www.tupsoft.com/ to find out more.

Wednesday, September 23, 2009

Altech and Seacom announce strategic bandwidth alliance to facilitate cheaper, faster broadband in South Africa


This is something of interest to the tech-heads out there (and indeed any South African who uses the internet!) - JSE listed Allied Technologies Limited (Altech) and SEACOM, last week announced their strategic alliance for the mutual acquisition of bandwidth capacity on two cable systems.
To quote the Seacom website:

“This strategic alliance with SEACOM, and Altech’s investment in the construction of terrestrial networks needed to support SEACOM in bringing its capacity inland, allows us to play a leading role in radically changing the face of African connectivity.
Altech has through the alliance secured the East African region for the distribution of much needed bandwidth. We are delighted to be partnering with SEACOM in this historic venture, pioneering the unlocking of a region hungry for low-cost, high-speed broadband access. The alliance is yet another element perfectly suited to Altech’s overall convergence strategy,” said Altech Chief Executive Officer, Craig Venter.

Read the full article here.

SEACOM is a 1.28 terabits per second, 17 000km undersea fibre optic cable, which links South and East African countries to their European and Asian counterparts.

The cable was officially launched in July 2009 and if expectations are correct, it will be the first of many undersea cables to be completed in the next few years. Ultimately this will greatly facilitate low-cost bandwidth for South and East Africa.

Although public expectations are high, SEACOM will not be selling bandwidth directly to end-users.
Rather, they will provide the bandwidth to African retailers (e.g. Altech) who will in turn sell this capacity to end-users.

Now it's just a waiting game, to see how long it will be until end-users see the full benefits of the SEACOM project...

Friday, September 18, 2009

Winston the pigeon vs. Telkom... what's your take?

So by now you have probably all heard about the much publicized Pigeon Race 2009, where Winston the pigeon took on our beloved Telkom, and won by rather a large margin.
If not, go check it out at http://pigeonrace2009.co.za.


The race started in Howick, where 4GB of data was sent over an ADSL line to an office in Gillits (Hillcrest).
Shortly afterwards a pigeon named Winston was dispatched from Howick, with an SD card strapped to his leg (containing the same 4GB of data).
The end result was that Winston's data arrived in Gillits in little over 2 hours.
Meanwhile back in Howick, the 4GB of data was only 4% sent.

So the result was conclusive and the message is clear!
Or is it?

Truth is, the whole race was rather contrived to begin with - work out the pigeon numbers and you get an ETA for Winston of approx. 1 hour (taking into account the average speed of a pigeon).
Then work out the Telkom numbers and you get an ETA of approx. 24.5 hours (using the "theoretical" max. Telkom ADSL speeds, and including upload and the download times).

Which proves what exactly...?

Grab your inverter now and be prepared for Load Shedding!

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