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What is the National Broadband Network(NBN)?

Brоаdbаnd internet іѕ thе most commonly used internet соnnесtіоn and іѕ thе term given tо dеѕсrіbе a numbеr оf dіffеrеnt fоrmѕ оf hіgh speed internet соnnесtіоnѕ. Any internet соnnесtіоn thаt іѕ 1 Mbps оr higher іѕ соnѕіdеrеd brоаdbаnd. A broadband connection provides thе іntеrnеt ѕрееd wе еxресt іn today's fаѕt-paced аnd time poor еnvіrоnmеnt.

The mаіn рurроѕе of thіѕ network was tо trу tо соnnесt 90 реr сеnt of Auѕtrаlіаn hоmеѕ, buѕіnеѕѕеѕ, аnd fасіlіtіеѕ with thе fastest broadband ѕеrvісеѕ оf up to 100 Megabyte реr ѕесоnd (Mbps). Thе other 10 per сеnt of Australians hasn't bееn forgotten еіthеr, аѕ these people ѕtіll hаvе access tо broadband ѕеrvісеѕ of 12 Mbps through wіrеlеѕѕ capabilities

Thе general gоаl of thе national broadband network wаѕ to рrоvіdе Auѕtrаlіаnѕ wіth a еаѕу and аffоrdаblе type оf brоаdbаnd service that еxсееdѕ сuѕtоmеr еxресtаtіоn. The uѕе оf the new Nаtіоnаl Brоаdbаnd Nеtwоrk has rеvоlutіоnіzеd the wау internet is used in Auѕtrаlіаn society and hаѕ improved how іnfоrmаtіоn іѕ rесеіvеd all оvеr the country.

Video from Telstra explaining the NBN

Understanding your speed

Your Internet service provider will say you can get x speed, but you will never get the full speed that is promised to you, as many things can affect the speed you receive

You can get the following plans with the NBN:

12 Mbps Download (=1.5MBps) and 1 Mbps Upload (=125 kBps)

25 Mbps Download (=3.125MBps) and 5 Mbps Upload (=625 kBps)

50 Mbps Download (=6.25MBps) and 20 Mbps Upload (=2.5 MBps)

100 Mbps Download (=12.5MBps) and 40 Mbps Upload (=5MBps)

Let say you got the 50 Mbps plan, the maximum speed you can get is around 45-47 Mbps as there are many factors* that can affect your speed.

What to ask yourself before saying your National Broadband Network is slow?

You are using wireless to connect to the National Broadband Network

When using wireless, the signal will have to go through a couple of walls before it can reach you, whereas if you were using Ethernet, it goes straight to your computer.

This will cause milliseconds of latency and packet loss. (The further from the router you are, the more latency and packet loss.)

Your machine cannot support the speed

Checking that your computer wireless card can support the speed and also your hard drive should also be able to support the speed at which you want to download, as it needs to write it to the hard drive

Have you verified your machine is Ethernet attached

Have you checked the router lights are turned on for the Ethernet?

Have you looked at the networking settings and ensured the computer is picking Ethernet over Wi-Fi?

Are you using an overseas Domain Name System (DNS)

Using an overseas DNS server means that even if there is cache in Australia, it will still come from overseas and anything coming from overseas won’t be using the NBN at it full speed.

Click here for instructions on how to change your DNS

Below are some Internet Service Providers DNS servers:


Click here for the list of Telstra DNS


Primary DNS:

Secondary DNS:


Primary DNS:

Secondary DNS:


Primary DNS:


Primary Dns:

Secondary Dns:

Click here for the full list

Peer-to-peer file sharing (P2P)

Connecting to websites with servers overseas

When using a website with a lot of videos and photos that are not cached in Australia, will load slower, as your computer will travel to the overseas website server, which can take up to 1000 milliseconds.

Click here for instructions on checking if the website is hosted overseas

How to troubleshoot your National Broadband Network?

When was the last time you restarted your modem?

Every few months when you notice your Internet is running slowly, turn it off for 10 seconds and then turn it back on.

Most issues can be fixed by restarting the modem, as over time, you have been hitting the modem for 24/7 for some months, and it has had no rest. However, if you restart it, all cache will be removed from the devices that have connected to the network.

(You will lose none of your settings.)

Have you exceeded your plan data allowance

Go to your Internet Service Providers website and check that you haven't gone over your monthly usage.

Check the Ethernet cable connected to your computer and modem is in good state

Run a speed test with an Ethernet cable plugged in (ensure you turn your Wi-Fi off in your computer settings), then write down the speed. Get a different Ethernet cable and repeat the steps.

Get a difference ethernet cable and then repeat the steps.

*Ensure no devices are using the internet during your testing.

Temporarily disable your firewall

When you are doing your testing, the computer firewall might be scanning the files you are downloading to protect you, and this will subsequently make the download slower as it can't keep up with your download speed.

*Don't forget to enable your firewall after testing

Click here for instructions on how to disable your firewall

Do a speed test on your network throughout the day and then again during peak hours

During peak hours, many users are online, and this means you are sharing the line with more users. It is best to do a speed test when fewer people are using the network to learn your actual speed.

(6pm-1am is a time when lots of users are online and downloading)

Click here to use the Akamai Speed test!

Why can't you get full speed to the whole internet?

If your National Broadband Network is still slow, please contact your Internet Service Provider.