Same stats, half speed?
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- Re: Same stats, half speed?
Same stats, half speed?
07-03-2009 1:33 AM
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8128 downstream (9.0 db attenuation / 11.3 db snr) sync
448 upstream (5.5db attenuation / 26.0 db snr) sync
7150 bras
interleaving OFF
linksys wag54g2
Recently had some issues with dropping syncs / profile drops. Decided to replace long rj11 extension + swap router to a new one which in turn gave constant max syncs again and after a few days of max synced stability the ip profile rose back to what it used to be.
Previously I had roughly the same line stats, just with a different router and would be seeing 7500k throughput (800K+) downloads, 400k uploads (40k+) from decent hosts. Since then, the best I can get is 4400 downstream (550k) and 200k upstream (25k).
Obviously this isnt a complaint or a request for any fixing to be done, 550k is enough for me obviously but im just very curious as to how I can drop to half the speed yet be on maximum sync / maximum ip profile? Is it possible although the line syncs at 8128 and is stable (and with excellent stats, I might add) it is not capable of delivering the same speed as before, possibly due to aged filters or line degradation?
The testing was done via 2 machines via cable (laptop/desktop) with no other machines or devices plugged in. Tried mybroadbandspeed.co.uk, bbmax speedtest, speedtest.net & the thinkbroadband download test files which used to download at 830k+ now stuck at 540. QoS on router is active with high priority to Ethernet port 1 (my desktop) if it makes any difference.
Any ideas?
Re: Same stats, half speed?
07-03-2009 4:17 AM
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have you rebooted router since your profile went back to normal? sry didnt see the upload throughput was poor as well.
some router chips perform better on short lines where some others perform better on long lines. iam not sure if this effects throughput thoe when there syncing high and profile is high.
wheres that brightspark spot light . iam sure one of the capped crusader's will shed light on this
Re: Same stats, half speed?
09-03-2009 9:53 AM
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I'll go take a look from our side and make sure everything matches correctly.
Re: Same stats, half speed?
09-03-2009 9:56 AM
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Have a read of this for info on speed issues
link:speed
Re: Same stats, half speed?
09-03-2009 11:18 AM
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The absolute best set-up is for the router to be plugged in to the master socket and then use a long Cat 5e ethernet cable to extend to your PC. If you have multiple PCs buy a cheap (approx £5-£10) switch to put at the end of the ethernet cable.
jelv (a.k.a Spoon Whittler) Why I have left Plusnet (warning: long post!) Broadband: Andrews & Arnold Home::1 (FTTC 80/20) Line rental: Pulse 8 Home Line Rental (£14.40/month) Mobile: iD mobile (£4/month) |
Re: Same stats, half speed?
09-03-2009 10:28 PM
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Re: Same stats, half speed?
27-03-2009 7:19 PM
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Re: Same stats, half speed?
27-03-2009 9:22 PM
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Compare the shaping on the two products here: http://www.kitz.co.uk/isp/plusnet_shaping2.htm
jelv (a.k.a Spoon Whittler) Why I have left Plusnet (warning: long post!) Broadband: Andrews & Arnold Home::1 (FTTC 80/20) Line rental: Pulse 8 Home Line Rental (£14.40/month) Mobile: iD mobile (£4/month) |
Re: Same stats, half speed?
27-03-2009 11:41 PM
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Quote from: jelv I'd expect you to see poorer performance going from BBYW 2 or 3 to Unlimited.
Compare the shaping on the two products here: http://www.kitz.co.uk/isp/plusnet_shaping2.htm
yep poorer performance on p2p during the day but NOT a seeming line cap on plusnet and bt speedtesters to approx 4.5mb max .A speedtest is not one of the restricted protocols so should run at line speed
Re: Same stats, half speed?
28-03-2009 1:02 AM
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Re: Same stats, half speed?
28-03-2009 5:02 AM
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Re: Same stats, half speed?
28-03-2009 9:43 AM
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adie:quote
Re: Same stats, half speed?
29-03-2009 2:44 AM
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Re: Same stats, half speed?
18-06-2009 9:57 PM
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After some research it turns out to be a fairly common Linksys problem although I never would of suspected it was to do with the QoS / IAP settings.
Have a look at this:
http://img218.imageshack.us/i/wag54g2.jpg/
(The box is what I changed; from Automatic to Manual then I set it to 9000k and rebooted router; speed doubled when it came back up)
And the speedtest before & immediately after the router was rebooted:
http://img231.imageshack.us/i/speedtest.jpg/
(Pretty big difference; 3+mb downstream increase doubled upload?)
So like - what an amazing solution! I was going to post again and I had a PM from Dodgydog which sorted it in 5 minutes. I'm 100% there's people out there with Linksys routers who might be having the same issue and I dont think the issue is 100% exclusive to the WAG54G2.
Hope this can help somebody else as much as it helped me
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