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ADSL x2 Advice

onephat

ULTIMATE Member
Hi,

Were moving house and although the house is almost brand new the area is to bloody far away from the exchange for 2mb adsl and its not in a cable area. My question is this:-

The line supports 1mb adsl. If we have a second line fitted can we have ADSL on both lines, i guess they go down the same cable but can they both support adsl. I know there will be 2 line rentals and 2 subscriptions to eclipse but im very interested. Bulldog (who are in the exchange) say its technicaly possible but im after your advice.

Thanks

Ben
 
Yeah its possible but do you want to bond the lines so you can get the 2meg or wanting to use them independantly?
 
They will be completely independant, one for me and one for me mum and her partner.
 
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excellent. day is getting better, just found my original gameboy (c) Nintendo 1989 excellent.
 
oh i take it i can use 2 different supplyers ?
 
Yep it would be just like having 2 different line not connected, if it was me i'd put them on a cheapo capped one and have the unlimited one to myself :P .
 
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prob going to have 1mb eclipse on line one and then bulldog (not sure what they can support on my line) on the other.
 
EDIT: Didn't read the thread properly ...:o

EDIT 2: Just wondering, you could always bond then share the connection out over the house by wireless/powerline etc., then you'd get a full 2 Mb most of the time unless the other members of the household were heavy users (I _really_ like my 2 Mb connections and wouldn't want anything lower, or even higher). :)
 
Last edited:
Bob2002 said:
EDIT: Didn't read the thread properly ...:o

EDIT 2: Just wondering, you could always bond then share the connection out over the house by wireless/powerline etc., then you'd get a full 2 Mb most of the time unless the other members of the household were heavy users (I _really_ like my 2 Mb connections and wouldn't want anything lower, or even higher). :)

Ok i like to think i know a lil about ADSL/Pc's/Routers etc etc but how the 4cobs do you bond adsl? is it an expensive process?
 
O.K., bonding isn't that difficult if you do it yourself. Take a look at this thread - http://groups.google.com/group/uk.n...onded+adsl+cost&rnum=3&hl=en#7e13b296dc104ed0 . Note what Jason Clifford says (he's the Entanet reseller I'm with) -

What you are refering to us generally called "Bonded ADSL".

In a bonded ADSL or SDSL service multiple DSL lines are supplied (each
requiring its own telephone line) and using Multilink PPP the lines are
bonded together such that a single internet connection is presented by the
router at the customer end.

The benefits of this are several:

Firstly you have more bandwidth so, as you say, you can use a lot more
bandwidth at once.

Then you also have resilience so that if one connection drops the other
should continue with little or no perceived difference in service.

Our bonded ADSL service is offered either on a managed basis where a Cisco
router is supplied and managed so the user has pretty much nothing to do
other than to plug it in or a DIY service where the user, who has
sufficient technical ability, can simply buy however many lines they
require and we only charge the normal price for the services.


Jason Clifford
--
UKFSN.ORG Finance Free Software while you surf the 'net
http://www.ukfsn.org/




You've may well have bumped into multilink PPP if you've ever used ISDN, like me (http://en.wikipedia.org/wiki/Multilink_PPP#Multilink_PPP ).

A rep could give you more detail, but the cheapest equipment to bond with is probably a PC with a couple of ADSL modems and a custom Linux distribution like this - http://www.freestuffjunction.co.uk/bondedcd.shtml (unless you find something on eBay ...). You might want to have a read (or post) of the forums - http://www.freestuffjunction.co.uk/bonded/fm/index.php . You can always use the PC and one of the cards as a router in the future ... :)
 
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More info, have a read of this - http://www.ukfsn.org/adsl/unmanaged-bonded.html

Unmanaged Bonded ADSL

If you prefer to manage your own router and firewall requirements we are able to supply our bonded ADSL service unmanaged leaving you free to selected, configure and manage your equipment.

You can order any number of lines, up to the maximum number of ADSL cards you can fit into your gateway system, and we'll bond them together for you into a single line.

Bonded ADSL uses Multilink PPP and works in the same way as multilink ISDN.

Pricing

We do not charge a premium for bonded ADSL service. You simply pay for ADSL on your lines as you would for a single line service and no more.

If you are not comfortable setting up the software side of things yourself but want the control that our unmanaged service provides you can use the excellent "Bonded ADSL Linux Boot CD" available from Linux ADSL.

We recommend Sangoma 518 ADSL PCI cards for our unmanaged bonded ADSL service. These are available from Linux ADSL at the best prices in the UK.
For more information please contact us by calling 0870 746 0758 or emailing sales@ukfsn.org.

And also this -

Bonded ADSL CD for Sangoma Cards

I've learned that Eddie Chapman has decided to add restrictions to his Bonded ADSL CD image to try and force people to buy the Sangoma ADSL cards only from him.

Naturally we're not too keen on this move - it's protectionist and seeks to bar free competition. We also feel it's not in the spirit of Free Software/Open Source software, upon which Eddie's CD is entirely dependant.

The only reasonable response, we feel, is to make the CD available unencumbered from our website. You can download the CD image via the product description for the Sangoma card

http://www.linuxadsl.co.uk./

So basically for the cost of two cards at 89.99 each, plus one PC, plus a free Linux bonded ADSL CD from linuxadsl, you have your bonding hardware. :)
 
Thanks for all your help bob. I've also dropped a email to the ISP asking for their prices etc etc. The only thing thats been suggested to me is to wait for maxDSL. If a line only supports 1mb/s now, whats the chances of it supporting faster once maxDSL is in the area?
 
Whats your Distance from exchange, Downstream Attenuation and Noise Margin (SNR)?

the further you are the signal degrades hence you will get higher attenuation and for the modem to sync and hold the connection requires a decent level SNR

So in practice the further you are the lower the speed.. (Same goes for LLU)

heres a chart that shows you what I mean..

http://img126.imagevenue.com/img.php?loc=loc114&image=eaae7_adsl_att_vs_speed_chart.JPG
 
When I use any checker I get this

BT ADSL broadband availability
You are connected to the Carrickfergus (NIC) telephone exchange.

Your exchange is enabled for ADSL!
There is currently no spare capacity for ADSL connections at your exchange.

The following level of service is available at your location:

[BT ADSL Code: AGEC] You cannot receive 2Mbps ADSL
[BT ADSL Code: AGEC] You may be able to receive 1Mbps ADSL
[BT ADSL Code: AGEC] You can receive 512Kbps ADSL
[BT ADSL Code: AGEC] You can receive 256Kbps ADSL

However, there appears to a compatibility issue with your phone line. This could be caused by an existing broadband connection, ISDN, a DACS unit, TPON, a pending ADSL order or many other common issues. This will need to be resolved before ADSL can be supplied to your line.

Your BT ADSL code is: AGEC






But I am on 2mb..So you might get lucky......
 
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etknhfkn said:
When I use any checker I get This

But I am on 2mb..So you might get lucky......

Can you post what you get as i can't check as i dont have your phone number.
 
TRIaXOR™ said:
Whats your Distance from exchange, Downstream Attenuation and Noise Margin (SNR)?

the further you are the signal degrades hence you will get higher attenuation and for the modem to sync and hold the connection requires a decent level SNR

So in practice the further you are the lower the speed.. (Same goes for LLU)

heres a chart that shows you what I mean..

http://img126.imagevenue.com/img.php?loc=loc114&image=eaae7_adsl_att_vs_speed_chart.JPG

I don't have the details atm, as we don't move in till mid April, the 1mb limit was something i got from the BT checker at www.bt.com/broadband

If bulldog could offer me 2 or so mb then i'd be happy, just don't want anything slower than what ive got now. As for dslMAX from April, should this deliver speeds faster than 1mb on my line, or is it just for those who are closer to the exchange. Dam you NTL why can't you start cabling streets again.
 
To Bond the lines from different ISP's use one of these

http://www.firebrick.co.uk/

I would love to get 4 x 8meg lines bonded on that 32meg download and 3.2 meg up.

LeeH
 
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