Need cable modem help

Soldato
Joined
1 Jun 2005
Posts
5,152
Location
Kent
A few minutes ago i lost internet connection, after not seeing anything in my router logs that seem out of the ordinary i checked my cable modem (surfboard 4100) logs and found that is was the problem. The errors that the cable modems log showed are a bit beyond me, so im hoping someone here can explain what has happened.

Keep in mind that the log here displays newest messages at the top, so the bottom line is the problem. There were many lines after the booting line, but it was mostly just standard boot up logs (including the standard failure to update errors :rolleyes:)

Code:
************	7-Information	I510.0	*** BOOTING *** SB4100-0.4.9.6-SCM01-NOSH 
090313144431	7-Information	H501.2	HFC: Shutting Downstream Down 
090313144431	2-Alert	T507.0	Received Async Error Range Failed 
090313144431	3-Critical	R4.0	Received Response to Broadcast Maintenance Request, but no Unicast Maint 
090313144431	3-Critical	H501.8	HFC: T4 Timer Expired

My logs also show that this has happened 3 days ago (if im reading the timestamp right), although i dont remember loosing any connectivity back then, and the problem went unnoticed.
 
Last edited:
After you reboot the modem it works no problem now?

Those errors you received showed there was an issue with the service and only cable company can sort them.

What is your signal like?
 
Contact Virgin via the newsgroups and they can check your modem logs remotely, you'll probably get sent a new modem if your signal levels etc are okay. The SB4100 is a good few years old now and it could just be getting old and cranky (much like myself lol).
 
After you reboot the modem it works no problem now?

Those errors you received showed there was an issue with the service and only cable company can sort them.

What is your signal like?

The modem reboots itself right after the error, and appears to be fine so far.

my modems signal page shows:
Frequency 339000000 Hz Locked
Signal to Noise Ratio 37 dB
Power Level 7 dBmV

not sure if thats good or bad.

Contact Virgin via the newsgroups and they can check your modem logs remotely, you'll probably get sent a new modem if your signal levels etc are okay. The SB4100 is a good few years old now and it could just be getting old and cranky (much like myself lol).

How do i connect to the newsgroup? I only had a quick look at VMs website and it only seems to have details on outlook express, i couldnt see where it listed the specific details and such to connect with other readers.

Idealy i would prefer to keep my current modem, I know its getting on a bit (ive had it since blueyonder days, a LONG time ago), and although some say it cant fully handle 20Mb (although it seems to get 20Mb speeds), its served me well and as long as these rare connection issues dont continue it would be easier for me to just keep using this untill i decide to go for 50Mb.
 
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