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NTL 250 Blinking ready light. Restart fixes it eventually but getting worse.
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Old 06-12-2010, 19:37   #1
huggyg71
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NTL 250 Blinking ready light. Restart fixes it eventually but getting worse.
Hi there. I have been having a small problem with my NTL 250 modem over this past six months or so, maybe a bit longer actually but its been getting steadily worse as time goes on so I thought I would ask here for some advice before calling Virgin.

The problem I have been having is when the modem is first powered on it will settle down after 20, 30 secs or so with a steady sync light but has a constant blinking ready light. There is no internet connection when its in this state and I am unable to connect to 192.168.100.1

Up until a few days ago a simple power off modem, wait 30 secs and power on again normally sorted it out straight away but tonight and this past few days for have taken me 15 mins or more of this power off modem and power on again routine to finally get it working. Once up and running though I have no connectivity or speed issues at all and it will stay connected for days on end unless I switch it off.

I can still connect to my router ok when this happens and removing it and connecting directly to the modem with a device makes no difference at all so doesnt seem to be anything to do with the router side of things.

Below is my log if its any help thank you.



First Time Last Time Priority Description

Mon Dec 06 18:49:10 2010 Mon Dec 06 18:49:10 2010 Information (7)The s/w filename specified in the config file is the same as ...

Mon Dec 06 18:49:10 2010 Mon Dec 06 18:49:10 2010 Information (7)A software upgrade filename was specified in the config file.
Mon Dec 06 18:49:09 2010 Mon Dec 06 18:49:09 2010 Information (7)Authorized

Mon Dec 06 18:49:09 2010 Mon Dec 06 18:49:09 2010 Information (7)Registration complete!

Mon Dec 06 18:49:09 2010 Mon Dec 06 18:49:09 2010 Information (7)We registered with a DOCSIS 1.1 config file!

Mon Dec 06 18:49:09 2010 Mon Dec 06 18:49:09 2010 Information (7)Received a REG-RSP message from the CMTS...

Mon Dec 06 18:49:09 2010 Mon Dec 06 18:49:09 2010 Information (7)Sending a REG-REQ to the CMTS...

Mon Dec 06 18:49:09 2010 Mon Dec 06 18:49:09 2010 Information (7)CableModem SNMP configure complete

Mon Dec 06 18:49:09 2010 Mon Dec 06 18:49:09 2010 Information (7)IP init completed ok

Mon Dec 06 18:49:09 2010 Mon Dec 06 18:49:09 2010 Information (7)CableModem TFTP init ok
Time Not EstablishedTime Not EstablishedInformation (7)CableModem DHCP client init ok

Time Not EstablishedTime Not EstablishedCritical (3)DHCP WARNING - Non-critical field invalid in response.

Time Not EstablishedTime Not EstablishedInformation (7)MAP w/initial maintenance region received

Time Not EstablishedTime Not EstablishedInformation (7)Downstream sync ok
Time Not EstablishedTime Not EstablishedInformation (7)Beginning initial ranging...

Time Not EstablishedTime Not EstablishedInformation (7)downstream time sync acquired...

Time Not EstablishedTime Not EstablishedInformation (7)Downstream sync ok

Time Not EstablishedTime Not EstablishedInformation (7)starting ds time sync acquisition...

Time Not EstablishedTime Not EstablishedInformation (7)Locked on the downstream. Waiting for UCDs...
Time Not EstablishedTime Not EstablishedInformation (7)Downstream lock ok
Time Not EstablishedTime Not EstablishedInformation (7)Sync Start

Mon Dec 06 18:44:24 2010 Mon Dec 06 18:44:24 2010 Critical (3)DHCP WARNING - Non-critical field invalid in response.

Mon Dec 06 18:44:16 2010 Mon Dec 06 18:44:16 2010 Critical (3)Received Response to Broadcast Maintenance Request, But no Un...

Mon Dec 06 18:43:44 2010 Mon Dec 06 18:43:44 2010 Critical (3)Started Unicast Maintenance Ranging - No Response received - ...

Time Not EstablishedTime Not EstablishedCritical (3)DHCP WARNING - Non-critical field invalid in response.

Mon Dec 06 18:42:46 2010 Mon Dec 06 18:42:46 2010 Critical (3)DHCP WARNING - Non-critical field invalid in response.

Mon Dec 06 18:42:37 2010 Mon Dec 06 18:42:37 2010 Critical (3)Received Response to Broadcast Maintenance Request, But no Un...

Mon Dec 06 18:42:04 2010 Mon Dec 06 18:42:04 2010 Critical (3)Started Unicast Maintenance Ranging - No Response received - ...

Time Not EstablishedTime Not EstablishedCritical (3)DHCP WARNING - Non-critical field invalid in response.

Time Not EstablishedTime Not EstablishedCritical (3)DHCP WARNING - Non-critical field invalid in response.

Mon Dec 06 18:28:29 2010 Mon Dec 06 18:28:29 2010 Critical (3)DHCP WARNING - Non-critical field invalid in response.

Mon Dec 06 18:28:19 2010 Mon Dec 06 18:28:19 2010 Critical (3)Received Response to Broadcast Maintenance Request, But no Un...
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Old 06-12-2010, 21:28   #2
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Re: NTL 250 Blinking ready light. Restart fixes it eventually but getting worse.
Please post all the config pages so we can check your power levels
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Old 06-12-2010, 21:43   #3
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Re: NTL 250 Blinking ready light. Restart fixes it eventually but getting worse.
That sounds like you may have a faulty modem so call tomorrow after 0800 on 151 from a Virginmedia phone line or 0845 454 1111 from any other phone line and an agent will run some diagnostics with you.
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Old 07-12-2010, 09:37   #4
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Re: NTL 250 Blinking ready light. Restart fixes it eventually but getting worse.
what area huggyg71 are you in ?
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Old 07-12-2010, 19:19   #5
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Re: NTL 250 Blinking ready light. Restart fixes it eventually but getting worse.
Hello again. This is my status, upstream, downstream and operation config pages.


Cable Modem Status

Item Status Comments

Acquire a Downstream Channel 323000000 Hz Locked
Connectivity State OK Operational
Boot State
OK Operational

Cable Modem Operation Configuration
Network Access : Allowed
Maximum Downstream Data Rate : 20480000

Maximum Upstream Data Rate : 768000

Maximum Upstream Channel Burst : 3044

Maximum Number of CPEs : 1

Modem Capability : Concatenation Enabled, Fragametation
Enabled, PHS Enabled


Cable Modem Downstream
Downstream Lock : Locked

Downstream Channel Id : 16
Downstream Frequency : 323000000 Hz

Downstream Modulation : QAM256

Downstream Symbol Rate : 6952 Ksym/sec

Downstream Interleave Depth : taps12Increment17

Downstream Receive Power Level : 4.2 dBmV

Downstream SNR : 37.5 dB

Cable Modem Upstream
Upstream Lock : Locked

Upstream Channel ID : 2

Upstream Frequency : 47400000 Hz

Upstream Modulation : QAM16

Upstream Symbol Rate : 2560 Ksym/sec

Upstream transmit Power Level : 51.0 dBmV

Upstream Mini-Slot Size : 2
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Old 07-12-2010, 21:04   #6
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Re: NTL 250 Blinking ready light. Restart fixes it eventually but getting worse.
Quote:
Originally Posted by huggyg71 View Post
Maximum Downstream Data Rate : 20480000 You are on 20Mb



Downstream Receive Power Level : 4.2 dBmV Within spec

Downstream SNR : 37.5 dB Within spec

Upstream transmit Power Level : 51.0 dBmV Within spec
Your modem power levels are fine so the is either a local issue or the modem is faulty, so you need to call technical support so they can check out your modem and connection.
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Old 07-12-2010, 21:19   #7
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Re: NTL 250 Blinking ready light. Restart fixes it eventually but getting worse.
Cheers.

I will give Virgin a call tomorrow.
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Old 08-12-2010, 09:36   #8
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Re: NTL 250 Blinking ready light. Restart fixes it eventually but getting worse.
By any chance are you switching it on and off to say plug the ethernet into an xbox etc?

I had a very similar problem with the same modem caused by switching from PC to xbox every now and then.

Apart from that it was an awesome modem
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