Hi, Im having these strange things happening to me with my Bulldog 8 mb, the service is great its just that everyday Im synching at faster and faster speeds. I see that you know a lot about tweaking and I used your 8M formula for my BD it boosted the connection quite powerfully. The thing is, I was 'synching' at 3.0-3.7 in the first week, second week was still around that value, third and fourth weeks I achieved up to 4.1 mbps, and now its at 4.9 mbps, the download speeds correspond. Now I know this is exactly the opposite of a 'problem' lol but my line attenuation is 44 db and im 3 km from the exchange, how much better can I expect it to get and/or what tweaks can you recommend to me?
Thanks in advance
Btw I am on a standard Thomson 330 USB Speedtouch.

This Tweak for the Billion 7402VGP Router is simple to do and, provides excellent results.
It may work with other routers, if it does - let people know!

[original post by artee]

In reply to:

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If you are using a Billion disable TCP MSS Clamp

Status WAN, click on ipwan and then edit wanlink on the 7402

Regards,

Bob

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My speeds went from 7259Kbps up to 7353Kbps, - try it with different tweak settings, routers and connection speeds!

<thanks to artee (& Bulldog) >



Free & easy TWEAKS for 512 1meg 2meg & 8meg!! Plus, WHATEVER your speed, try this!!

Here's an SNR tweak for the Netgear DG834GT, the original post was made by shyboy in the Bulldog forum.


"For those with the DG834GT router who want to experiment with their SNR N values, here is what i found for the adslctl configure --SNR N values to be:
(to recap)
so, once you clicked on this:
http://192.168.0.1/setup.cgi?todo=debug
telneted into the router:
telnet 192.168.0.1
and type this:
/usr/sbin/adslctl configure --snr N

these are my values for N and resulting SNR.

N SNR
50 7
60 7.6
70 8.3
80 8.9
90 9.4

Hope this helps someone."

Bulldog? they're ok [I s'pose]
Free & easy TWEAKS for 512 1meg 2meg & 8meg!! Plus, WHATEVER your speed, try this!!

However keenly I tried to find the true meaning of <snrQ4> numbers in search engines, I failed. So I decided to do some tests.

My normal default SNR is about 6 (downstream attn -38.5 to -39.0 by NetGear measurements), at this value of SNR the connection is quite stable.
I tried setting --snr 50 for the devil of it, the SNR dropped to -2.9 (which obviously causes LOTS of errors); --snr 150 gave me -9.1 and --snr 200 -- -12.4.

I have the feeling that this parameter modifies people's defaults (that've been set for them by UK Online?):
25 is default -4.5 dB
50 is default -3.0 dB
100 is default +0.0
125 is default +1.5 dB
150 is default +3.0 dB
200 is default +6.0 dB

From my experience when SNR margin falls below 6dB, the connection becomes less stable and more likely to produce lots of errors. Those who are lucky to have defaults higher than 6, can benefit from snr values below 100. Those whose defaults fall below 6, would benefit from snr higher than 100.

Or set the --sra on; it seems to try & keep the levels near the default level even if SNR changes.

I tried both --sra on and --snr <snrQ4> in one adslctl configure command. The --snr command takes precedence here. So only --sra on without other parameters would work -- or --snr <snrQ4>.

I also shall pay your attention that uppercase --SNR spelling does NOT work (gives "too many parameters" error which in fact is "INVALID parameter"); "--snr" option has to be lowercase.

THe open question here:
Does my "difference" hypothesis make sense to you?
It is formulated like this:

SNR level = Default_SNR + 6.0 * (snrQ4 - 100)

Where Default_SNR is the one by default,
and snrQ4 - is the Q4 figure, --snr parameter.
+6.0 dB - just in case - is twofold signal intensity difference.

_________________________________
Max the EastExpert,
UKonline ADSL2+ Broadband.
CPE: NetGear DG834GT, Windows XP Professional.
ADSL Sync at 10-12Mbps down, 766Kbps up.
Happy Sky Trialist.

Edited by EastExpert (Wed 05-Apr-06 06:13:29)

Sounds quite possible. The way I've always seen it is that "SnrQ4" is a percentage of your default target SNR. Seems to work when I want to aim for certain SNRs.



____________________________________________

Questions about UKOnline? Check out my (really out of date) FAQ here

Having analysed other people's results, it seems to me like it isn't percentage, but rather the distance between 0 and 100 (or 100 and 200) remains 6dB.

Would be very interesting to find out -- by those people whose default is not 6dB, but 9, 10, 12 even. Easy to check -- you enable debug, telnet, set --snr 1 (zero is prohibited as this parameter value). For me it leads to SNR Margin 0.2 (works but rather slowly with great delays due to high rate of errors).

I wonder if --snr 1 will give something apart from 0 for the others. This should prove or deny my suggestion.

_________________________________
Max the EastExpert,
UKonline ADSL2+ Broadband.
CPE: NetGear DG834GT, Windows XP Professional.
ADSL Sync at 10-12Mbps down, 766Kbps up.
Happy Sky Trialist.

After receiving my [free] replacement today, I did some tweaking of my Belkin 7633 [after updating the firmware]..

The original post can be found here (cheers valiant! )

The speeds I attained on my 8064 - 576 Bulldog connection? www.adslguide.org.uk/tools/speedchart.asp?id=17950d1510a944a2968b3c7c980

Here's the CLi tweak copied & pasted below..

In reply to:

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]8) Ok, so doing this 'CLI Tweak' is a hassle but how do I go about it? I want more speed!

First you need to navigate to the main web page offered by the Belkin 7633 router.. If that link doesn't work then you've faffed around with the settings on your router and you don't need this FAQ! Have a look at the page that comes up and take note of the 'Downstream, Data Rate'. The maximum value it can be on an 8Mb Bulldog connection is "8025". If the value you are getting is less than that then you may be able to increase it by using the 'CLI Tweak'.

Next you need to bring up the DOS/Telnet window. Click on the 'Start' button (at the bottom left of your desktop) and then click on 'Run'. Clear any characters you see in that window and type 'telnet' and then click on 'Ok'. In the next window type 'open 192.168.2.1'. The window will clear and you'll see a 'Login:' prompt. Type 'admin' and hit <Enter>. Next you'll see "Password:". Just press <Enter> again. You'll now get a flashing cursor next to a '>' symbol. This is the Command Line Interface (CLI) that everyone is talking about! You will now tell the router to try a new SNR value. It's a good idea to start with 30, see how that works out and then if everything is ok repeat the whole process to try a lower number (and maybe get a higher speed). So type the following (exactly) to start:

adsl configure --snr 30

Press <Enter>

Note the value after 'snr'......this is the SNR value you are setting, in this case '30'.

Watch the lights on your router. The two lights on the right-most side will flash and the router will drop the connection to the Internet and 'retrain'. Wait until they're both solid green again.

Leave the 'Telnet' window open and bring up the main settings page of your router (see above and 'refresh' the page if necessary). Has the 'Data Rate' changed (i.e increased)? If it has then use your internet connection for a while to see if it's stable at this new speed. If you don't experience any problems (i.e. the router doesn't lose connection to the internet over a period of sustained use) then you can repeat the above steps, decreasing the value of the SNR by 5 each time i.e. 25, 10, 15 etc. Eventually, probably before you get to zero, you'll find that the connection will become unstable. The previous SNR value is the 'sweet point' you need to remember.

It's also a good idea to do a 'Speed Test' on the ADSLGuide front page every time you change the SNR so you can see if the change has made a significant practical difference to your download speed.


9) The 'CLI Tweak' gives me better speeds but do I need to go through this hassle every time I turn on (or reboot) my router?

Yes and No! Yes, unfortunately the Belkin 7633 'forgets' its SNR setting every time its rebooted or powered on so you need to reset the SNR each time this happens. No, because you can automate the process so all you have to do to regain your top speed is to click on an icon on your desktop. Have a look at this **post by 'mr_grinch' which gives instructions for doing just that.

10) What are the undocumented features offered by this router and how do I access them?

As mentioned above, Belkin, in their wisdom, have chosen to provide a very basic control interface for this router. The result is that a number of very useful features are not directly available from the main menu.

It's important to note that for some unfathomable reason the router links below will NOT work unless you have 'signed on' to the router first. If you click one of the links below without signing on you will be asked for a password but the next page will be blank. First you need to open the main menu of the router interface at http://192.168.2.1/ and then click on any of the options requiring log in ('Virtual Servers' is as good as any). Provide the password asked for on the next page and on the subsequent page you can copy any of the links below into the address bar of your browser. It's probably a good idea to add any links you use regularly to your browser 'Favourites'.

1) Dynamic Domain Name Server (a.k.a. 'Dynamic DNS' or 'DDNS').
Router Link: http://192.168.2.1/ddnsmngr.cmd

It's beyond the scope of this FAQ to explain DDNS but a good overview is available at Wikipedia. DDNS is particularly useful to people running servers because Bulldog provides a dynamic IP address to their customers. The Belkin router supports DDNS services from www.dyndns.com (free service) and www.tzo.com (paid service).

2) Event Log
Router Link: http://192.168.2.1/logintro.cgi

This facility provides a useful history of events/errors reported by the router.The configuration page allows you to enable/disable logging and set the level of detail that you would like recorded. The view page displays the contents of the log.

3) SNMP (Simple Network Management Protocol)
Router Link: http://192.168.2.1/snmpconfig.html

See an overview of SNMP at Wikipedia

4) Telnet tweaking

Some other features are available by Telneting to the router. Type 'telnet' in the Start/Run window or type 'telnet' in a Dos window. In the Telnet window type 'open 192.168.2.1' and sign-on using 'admin' and a blank password (unless you've set one up). Type 'help' at the prompt for a list of available commands and their syntax. As yet, there doesn't seem to be any documentation available for these commands.

Command: adsl info --stats

Shows extra information over and above that displayed on the 'home' set-up page including MAX ATTAINABLE LINE RATE,

Command: adsl info --SNR

Shows SNR graph data

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Bulldog? they're ok [I s'pose]
Free & easy TWEAKS for 512 1meg 2meg & 8meg!! Plus, WHATEVER your speed, try this!!

what would the defaut be? would it be line dependant on the router or will it have been set at factory (formware etc)

also does anyone know what the default is before i go tinkering and will a router reset set it back incase i mess up?

<n>ildram Broadband 2 8Mbit
http://www.adslguide.org.uk/tools/speedchart.asp?id=f64e77910aa0235d398de52f5f

how do i change rwin, i dont see the setting on my router,

i have bulldog 8mb super@ctive, but only getting 4mb. i have the mtu setting on the lynksys router, but it doesnt go up to 1500, when doing that thing in cmd and tyeping ping -f -l 1472 www.dslreports.com

anything above 1472 i get that error

how do i change rwin, what do i use or go into, its not on my adsl router

BD

Hi there,

first of all you need to Click Here to download DrTCP.

next, you can see HOW TO TWEAK by clicking HERE, the settings shown in Step 3 are for a 512kb only - there is a possible setting further down for a 1meg connection.

There are many tweak settings listed in this thread for many speeds, I would recommend using the Whatever your... link below for ANY speed of connection you may have.

You may also want to try setting your router MTU to 1478 too - the same as your PC will be.


HAPPY TWEAKING!!

Bulldog? >>they're ok<< [I s'pose]
Free & easy TWEAKS for 512 1meg 2meg & 8meg!! Plus, WHATEVER your speed, try this!!