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Standard User nathan360
(newbie) Fri 14-Feb-14 14:38:15
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same address, different ISP speeds.


[link to this post]
 
I've been living at this address for quite some years now and so far I've switched from bt to sky and now talktalk. I'm gonna rule out BT as I had fibre FTTC.

But here's my question on sky I was getting 19000 sync speed but now I only rexieve 16000 to 17000 on talktalk. Do the isps alter there band with?
Standard User RobertoS
(sensei) Fri 14-Feb-14 15:07:22
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Re: same address, different ISP speeds.


[re: nathan360] [link to this post]
 
They may have you on 9dB noise margin, or maybe a storm has caused a reconnection at that level. We need to see the sync, attenuation and noise margin (SNR(M)) to say more.

My broadband basic info/help site - www.robertos.me.uk | Domains,site and mail hosting - Tsohost.
Connection - Plusnet UnLim Fibre (FTTC). Sync ~ 59.4/14.4Mbps @ 600m. - BQM

"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Allergy information: This post was manufactured in an environment where nuts are present. It may include traces of understatement, litotes and humour.
Standard User nathan360
(newbie) Fri 14-Feb-14 15:20:51
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Re: same address, different ISP speeds.


[re: RobertoS] [link to this post]
 
I have changed to 6db fastpath myself but even before doing this I was my speed was only 1mbps faster but I dunno why sky was syncing at 19000. I am using a BT hh3 with talktalk as there router supplied was rubbish.



ADSL Line Status

Connection Information

Line state: Connected
Connection time: 0 days, 15:08:58
Downstream: 15.37 Mbps
Upstream: 1020 Kbps

ADSL Settings

VPI/VCI: 0/38
Type: PPPoA
Modulation: G.992.5 Annex A
Latency type: Fast
Noise margin (Down/Up): 6.0 dB / 10.5 dB
Line attenuation (Down/Up): 23.3 dB / 11.1 dB
Output power (Down/Up): 20.2 dBm / 12.1 dBm
FEC Events (Down/Up): 0 / 0
CRC Events (Down/Up): 6597 / 87


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Administrator MrSaffron
(staff) Fri 14-Feb-14 15:29:59
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Re: same address, different ISP speeds.


[re: nathan360] [link to this post]
 
Slightly different DSLAM configurations and you may find that a different router boosts speed by a Mbps or two, yes you can get that sort of variation on shorter ADSL2+ lines. Sometimes even different firmware on the same modem makes a difference.

Andrew Ferguson, andrew@thinkbroadband.com
www.thinkbroadband.com - formerly known as ADSLguide.org.uk
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User nathan360
(newbie) Fri 14-Feb-14 15:34:51
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Re: same address, different ISP speeds.


[re: MrSaffron] [link to this post]
 
Yeah thanks, but ever since the move from sky to talktalk I've had had a loss of 4000 kbps is this to do with isps
Standard User XRaySpeX
(eat-sleep-adslguide) Fri 14-Feb-14 15:36:14
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Re: same address, different ISP speeds.


[re: nathan360] [link to this post]
 
19 Meg is about right for that attn. & NM.

1999: Freeserve 48K Dial-Up => 2005: Wanadoo 1 Meg BB => 2007: Orange 2 Meg BB => 2008: Orange 8 Meg LLU => 2010: Orange 16 Meg LLU => 2011: Orange 20 Meg WBC
Standard User nathan360
(newbie) Fri 14-Feb-14 15:49:45
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Re: same address, different ISP speeds.


[re: XRaySpeX] [link to this post]
 
Thanks I thought so I'm gonna go try and see what I can get out of TT on their forums now smile
Standard User tommy45
(knowledge is power) Fri 14-Feb-14 16:07:02
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Re: same address, different ISP speeds.


[re: nathan360] [link to this post]
 
Try a router that has the same chipset vendor as tt's dslams , or a broadcom based router , not sure what the hh3 is, it maybe Infineon or other brand
Standard User baby_frogmella
(experienced) Fri 14-Feb-14 16:21:17
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Re: same address, different ISP speeds.


[re: nathan360] [link to this post]
 
On a 23db attenuation, you shoulld easily be getting 20meg on TalkTalk never mind 19 meg. On my 29db atten TalkTalk line i'm getting 18 meg @ 6db SNR. Couple of things you need to do:

1) Get rid of the BT homehub...it uses a broadcom chipset which the TalkTalk dslam doesn't like hence your low sync. You need to use a router with an infineon chipset such as Draytek 2710n which will give you the optimum speed. Using an Infineon modem (Draytek 120) increased my linespeed by ~3 meg compared to using a Billion 7800N router.

2) If you're on a fastpath profile and don't do gaming or voip then ask a TT forum OCE to put you on a interleaving profile aka 24ISNR6. Interleaving profiles on TalkTalk sync up to 1 meg higher than fastpath ones.

TalkTalk Plus LLU ADSL2+ 18383/1020 kbps
Pioneer Kuro 428XD ISF'd
iPhone 5S 16gb
ThinkPad X220
Administrator MrSaffron
(staff) Fri 14-Feb-14 16:30:15
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Re: same address, different ISP speeds.


[re: nathan360] [link to this post]
 
If sync speed, then most likely down to hardware matching and DSLAM config.

The stats posted don't suggest any harsh DLM type effect

Andrew Ferguson, andrew@thinkbroadband.com
www.thinkbroadband.com - formerly known as ADSLguide.org.uk
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
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