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20Meg Connection Very Slow
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Old 05-07-2008, 09:00   #1
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Exclamation 20Meg Connection Very Slow
I just upgraded to the 20Meg broadband package last Wednesday. My average speed was just over 3MB per second, which has now dropped to a weedy 300KB per second since Thursday. Want I want to know is how I can get the full potential from my connection, which, from my point of view, should be atleast 10-12Meg download.

I use a Belkin G+ router which shouldn't really limit my speeds.

I am in the Woking, Surrey area.

Below is my current modem's configuration:

Cable Modem Configuration
Type : Ambit ETH/USB Combo Cable Modem Cable modem : Ambit Cable Modem
Board ID : E08C004.00.00_EU03
Software version : 2.67.1016
Hardware version : 1.15
Boot Code version : 3.13.2
Web Based Configuration Pages version : 1.0.2
USB AdaptorName : USB Cable Modem
USB vendor ID : 0bb2
USB product ID : 6098

Acquire Downstream Channel 402750000 Hz Locked
Connectivity State OK Operational
Boot State OK Operational
Security Enabled BPI

Downstream Status
Downstream Lock : Locked
Downstream Frequency : 402750000 Hz
Downstream Modulation : QAM256
Downstream Interleave Depth : 32
Downstream Receive Power Level : 12.5 dBmV
Downstream SNR : 36.9 dB

Upstream Status
Upstream Channel ID : 2
Upstream Transmit Power Level : 49.0 dBmV
Upstream Symbol Rate : 2560 Ksym/sec
Upstream Frequency : 36784000 Hz
Upstream Mini-Slot Size : 2

Operation Configuration
Network Access : Allowed
Maximum Downstream Data Rate : 20480000
Maximum Upstream Data Rate : 768000
Maximum Upstream Channel Burst : 1600
Modem Capability : Concatenation Enabled, Fragmentation Disabled, PHS Disabled
Maximum Number of CPEs : 1
Last edited by Niallr; 05-07-2008 at 09:11.
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Old 05-07-2008, 09:04   #2
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Re: 20Meg Connection Very Slow
can you connect your modem directly to the PC without the router and let us know the speeds then ? Also please post your power levels from the modem config page. please browse to http://192.168.100.1 and use the username root and password root. please do not post your modem serial or mac address.

Will have a look at them and see if there are any issues !

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Old 05-07-2008, 09:04   #3
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Re: 20Meg Connection Very Slow
first thing i would try is running it without the router, see if it has any affect, if it returns to normal u know it is the router. If the router is the problem then i would make sure to flash it to the latest firmware and try again.
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Old 05-07-2008, 09:08   #4
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Re: 20Meg Connection Very Slow
Updated with more information about modem.

-

Thanks Chris, I will try that
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Old 05-07-2008, 09:13   #5
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Re: 20Meg Connection Very Slow
your downstream power level is pretty high i would imagine that may be causing issues.

Either ring VM or post on the support newsgroup on the VM news servers !

You will need a tech visit to sort out the levels.

p.s. Please remove your mac address and serial number from your original post you should not share that info with anyone.

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Old 05-07-2008, 09:13   #6
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Re: 20Meg Connection Very Slow
And you removed my moderators edit naughty boy good job its not a problem.

Remember though posting mac addresses is not a good idea


Quote:
Originally Posted by Niallr View Post
Updated with more information about modem.

-

Thanks Chris, I will try that
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Last edited by zinglebarb; 05-07-2008 at 09:18.
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Old 05-07-2008, 09:16   #7
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Re: 20Meg Connection Very Slow
Downstream Receive Power Level : 12.5 dBmV
This is to high.
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Old 05-07-2008, 10:04   #8
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Re: 20Meg Connection Very Slow
On the phone to VM as we speak. Tried changing the full speed/ duplex mode to 100mps/ full duplex to no avail. I have instead just ordered a new modem, which should hopefully solve the problem.
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Old 05-07-2008, 10:06   #9
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Re: 20Meg Connection Very Slow
I doubt a new modem will cure the downstream power
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Old 12-07-2008, 08:27   #10
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Re: 20Meg Connection Very Slow
The modem has finally arrived! I set it all up, registered it with Virgin and everything was great; 6mb per second download speeds, but then after the first day, back to very slow rates of just about 150kb/s. What else can I do?

New downstream info:
Cable Modem Downstream
Downstream Lock : Locked
Downstream Channel Id : 0
Downstream Frequency : 402750000 Hz
Downstream Modulation : QAM256
Downstream Symbol Rate : 5360.537 Ksym/sec
Downstream Interleave Depth : taps32Increment4
Downstream Receive Power Level : 12.2 dBmV
Downstream SNR : 40.8 dB
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Old 12-07-2008, 09:28   #11
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Re: 20Meg Connection Very Slow
You were fobbed off by being sent a modem.
Call back, your downstream power is borderline.
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Old 12-07-2008, 09:31   #12
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Re: 20Meg Connection Very Slow
What are you using to check your speed?
Just checked on speedtest.net and here are my results from woking over a wireless connection

Here's my info if it's any use...

Boot Code Version : 3.1.6d
Software Version : 2.94.1014
Hardware Version : 1.19
Downstream Lock : Locked
Downstream Channel Id : 3
Downstream Frequency : 402750000 Hz
Downstream Modulation : QAM256
Downstream Symbol Rate : 5360.537 Ksym/sec
Downstream Interleave Depth : taps32Increment4
Downstream Receive Power Level : 6.0 dBmV
Downstream SNR : 41.5 dB
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Old 12-07-2008, 09:45   #13
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Re: 20Meg Connection Very Slow
Quote:
Originally Posted by Niallr View Post
The modem has finally arrived! I set it all up, registered it with Virgin and everything was great; 6mb per second download speeds, but then after the first day, back to very slow rates of just about 150kb/s. What else can I do?

New downstream info:
Cable Modem Downstream
Downstream Lock : Locked
Downstream Channel Id : 0
Downstream Frequency : 402750000 Hz
Downstream Modulation : QAM256
Downstream Symbol Rate : 5360.537 Ksym/sec
Downstream Interleave Depth : taps32Increment4
Downstream Receive Power Level : 12.2 dBmV
Downstream SNR : 40.8 dB
please try a test without the router then post back
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