Speed profile seems wrong
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Speed profile seems wrong
11-08-2012 6:22 PM
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I'm still seeing the same speeds even though when I check the router it has been fluctuating between 15 meg and 20 meg synch with a SNR varying between 2.0 and 8.0 below is my current connection profile time of day 18:20
ADSL Status Mode State Up Speed Down Speed SNR Margin Loop Att.
ADSL2+ SHOWTIME 555300 21206300 2.5 8.0
and here is my current actual speed
Could this be looked into or would it be better to raise another ticked ?
Edit for router info Draytek Vigor 2800G
Re: Speed profile seems wrong
11-08-2012 7:25 PM
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As a further point your upstream speed is very low so the full router stats are needed (noise margin and attenuation)
Re: Speed profile seems wrong
11-08-2012 9:09 PM
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Re: Speed profile seems wrong
11-08-2012 9:13 PM
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You haven't provided the other information requested and until you do we are guessing
Re: Speed profile seems wrong
11-08-2012 9:27 PM
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Re: Speed profile seems wrong
11-08-2012 10:33 PM
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Re: Speed profile seems wrong
11-08-2012 10:36 PM
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Re: Speed profile seems wrong
11-08-2012 10:51 PM
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Re: Speed profile seems wrong
11-08-2012 11:20 PM
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show adsl
Version= 119
DspFirmwareVersion= E.38.2.23
DSPVersion= 0x00000050
Connected= True
OperationalMode= G.Dmt.BisPlus
State= Showtime
Watchdog= 0x00000053
OperationProgress= 0x00000000
LastFailed= 0x00000000
TxBitRate= 538300
RxBitRate= 21122500
TxCellRate= 1269
RxCellRate= 49817
PhyTXCellCount= 379840
PhyRXCellCount= 2351202
PhyCellDropCount= 3329
OverallFailure= 0
LocalITUCountryCode= 0x0000B5FF
LocalSEF= 0
LocalEndLOS= 0
LocalSNRMargin= 3.0 dB
LocalLineAttn= 8.0 dB
LocalTxPower= 6.4 dB
LocalFastChannelRxRate= 0
LocalFastChannelTxRate= 0
LocalFastChannelFEC= 0
LocalFastChannelCRC= 0
LocalFastChannelHEC= 0
LocalFastChannelNCD= 0
LocalFastChannelOCD= 0
LocalInterleavedChannelRxRate= 0
LocalInterleavedChannelTxRate= 0
LocalInterleavedChannelFEC= 0
LocalInterleavedChannelCRC= 0
LocalInterleavedChannelHEC= 0
LocalInterleavedChannelNCD= 0
LocalInterleavedChannelOCD= 0
RemoteSEF= 0
RemoteLOS= 0
RemoteLineAttn= 6.0 dB
RemoteSNRMargin= 14 dB
RemoteFastChannelFEC= 0
RemoteFastChannelCRC= 0
RemoteFastChannelHEC= 0
RemoteFastChannelNCD= 0
RemoteInterleavedChannelFEC= 0
RemoteInterleavedChannelCRC= 0
RemoteInterleavedChannelHEC= 0
RemoteInterleavedChannelNCD= 0
LocalMgmtFEC0= 0
LocalMgmtCRC0= 292
LocalMgmtFECErroredSec= 0
LocalMgmtErroredSec= 283
LocalMgmtSeverelyErroredSec= 0
LocalMgmtLOSErroredSec= 0
LocalMgmtUnavailErroredSec= 0
LocalMgmtHEC0= 103
RemoteMgmtFEC0= 0
RemoteMgmtCRC0= 0
RemoteMgmtFECErroredSec= 0
RemoteMgmtErroredSec= 0
RemoteMgmtSeverelyErroredSec= 0
RemoteMgmtLOSErroredSec= 0
RemoteMgmtUnavailErroredSec= 0
RemoteMgmtHEC0= 0
LocalTPSTCCell0= 344923460
LocalTPSTCCell0UpperLayer= 2351179
LocalTPSTCBitError= 0
RemoteTPSTCCell0= 0
RemoteTPSTCCell0UpperLayer= 0
RemoteTPSTCBitError= 0
SRA= Disable
PSDMask= AnnexM-EU64
ActivateLine= None
HostControl= Enable
AutoStart= True
Failsafe= False
Action= Startup
Standard= G.Dmt.BisPlus Auto
UtopiaInterface= Level1
EcFdmMode= FDM
MaxBitsPerBin= 15
TxStartBin= 6
TxEndBin= 63
RxStartBin= 32
RxEndBin= 511
RxAutoBinAdjust= Disable
TxAttenuation= -0.0 dB
BitSwap= Enable
BitSwapUp= Disable
NTRMode= Disable
AnnexType= AnnexM
MaxDownRate= 511
PhysicalPort= 0
DetectNoise= Disable
Capability= AnnexA, T1413, ADSL2, ADSL2+, A
SL2_M, ADSL2+_M, Value=0x3d01
CodingGain= auto
FramerType= Type3ET
DyingGasp= Disable
Defaults= None
FULL_RETRAIN= Overall Retrain
Re: Speed profile seems wrong
12-08-2012 12:24 AM
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At any given moment in the universe many things happen. Coincidence is a matter of how close these events are in space, time and relationship.
Opinions expressed in forum posts are those of the poster, others may have different views.
Re: Speed profile seems wrong
12-08-2012 9:56 AM
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Setting it to Annex A might be what draytek call ADSLmax (ie up to 8Mb)
Either it needs to be set to autosense the connection - if such a setting exists or set it to ADSL2+
Tx atttenuation of -0.0db is also odd as well as the upstream sync
If the router is fluctuating in downstream sync between 15 and 20 that might indicate a router fault.
Re: Speed profile seems wrong
12-08-2012 10:36 AM
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Downstream
Attenuation 8dB
Noise Margin 3dB
Speed 21,122kbps
Upstream
Attenuation 6dB
Noise Margin 14dB
Speed 538kbps
These are slightly different to the first figures you posted (555kbps and 21,206kbps) which indicates a resync.
More to the point the upstream figures indicate a major problem with the line.
As a comparison these are my upstream figures
Noise Margin: 23.0 dB
Connection Rate: 448 Kbps
Line Attenuation: 25.5 dB
You will see that with a much higher attenuation I get almost the same speed with a much higher noise margin
The next thing to try is to connect the router to the test socket (assuming that you have one) with a different filter and report the same information
This explains it
Re: Speed profile seems wrong
12-08-2012 5:55 PM
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Re: Speed profile seems wrong
12-08-2012 7:25 PM
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I assume that you haven't another router to try
Re: Speed profile seems wrong
14-08-2012 12:43 PM
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