cablemdiag
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DOCSIS Cable Modem Diags.   Free
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  • Download
    1.2 MB
  • Developer
    Rui Fernando Ferreira Ribeiro
cablemdiag (formerly known as DOCSIS Cable Modem Diags) attempts to expose some of the more important maintenance variables to the public, allowing their manual exposure. In addition, it also display a warning when the values of the cable's signals are off the range. (i.e. cable not good). Now it also has context sensitive help explaining the data collected.
What's New
Version 1.03:
  • Network error message slightly modified.
  • Cable modem internal date and date in logs had month wrongly converted, it was 1 month ahead (Error converting SNMP to UTC date format).
  • webloc file name changed to "Latest Version".
Requirements
Intel/PPC, Mac OS X 10.5 or later



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cablemdiag User Discussion (Write a Review)
ver. 1.x:
Your rating: Now say why...
Overall:

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burypromote

+28
Hermie commented on 28 Jun 2009
Can't find a Cisco Scientific Atlanta EPC3000 Eurodocsis 3. It really lives on 192.168.100.1 though...
[Version 1.0]

2 Replies

burypromote
Anonymous commented on 28 Jun 2009
It can be the community or the operator forbidding CPEs talking with the modem. Are you able to give more details?
burypromote
Anonymous commented on 29 Jun 2009
Would you be able to tell or e-mail me the output of the command run in Terminal:
snmpwalk -c public -v1 192.168.100.1 1.3.6.1.2.1.2.2.1.6.1

?

If it works, please e-mail me, I dont have access to a DOCSIS 3.0 and would like to ask you to run one or two scripts.

Regards,
Rui Ribeiro
burypromote

+2
Chris Bulow tipped on 24 Jun 2009
Does anybody happen to know the community address that BrightHouse use in Florida? "Public" isn't :)
[Version 0.99b]

1 Reply

burypromote
+1
Anonymous commented on 24 Jun 2009
That is, if they do allow the costumer to talk SNMP at all with the cable modem...
burypromote
+1

+2
Acollado commented on 13 Jun 2009
I'm using Charter now but I've also used Adelphia, Time Warner Cable, and Comcast in the past.

Some of the router modems, like the Motorola SB 900, use 192.168.1.1 or 192.168.0.1 and the default community name may be "public" but some providers change it when the modem downloads the config file and it'd be useful if we could enter something other than the default "public"
[Version 0.95b]

3 Replies

burypromote
Anonymous commented on 14 Jun 2009
I agree that the community can change AFTER the modem downloads the configuration. However, as a customer, how do you know the SNMP community the ISP uses?
burypromote
Anonymous commented on 14 Jun 2009
I«ll make modifications to the program to give it the capability to change the community string and IP address of the modem.

thanks for the feedback.

Rui
burypromote
Anonymous commented on 14 Jun 2009
yet about the 192.168.0.1 addresses, I do recall they were the ethernet address on wireless cable modem routers from webstar. However, they also always answer to 192.168.100.1. That is, they always answer unless the modem is locked, but bridging is blocked by operator, in which case, you can only use the ethernet address to talk SNMP with the modem. Care to ping 192.168.100.1 and see if it answers?
burypromote
+1

+2
Acollado commented on 13 Jun 2009
Doesn't work with my Motorola 5101 cable modem because the SNMP community public/private names aren't what ever this app is using.

Is there any way to change the SNMP community names from default?

Also is there any way to change the IP used to access the modem? 192.168.100.1 isn't always the correct one.
[Version 0.95b]

2 Replies

burypromote
Anonymous commented on 13 Jun 2009
The community is public by default in all latest DOCSIS cable modems, as far as I aware. What can happen, is the provider changing communities and/or only allowing SNMP access from their server range (i.e. thus blocking SNMP from the customer netblock range). Any of the latest DOCSIS modem also answers to 192.168.100.1 - please read the FAQ you have with the help.
Care to say which provider you're using?

Regards,
Rui
burypromote
Anonymous commented on 14 Jun 2009
Been remembering some things and investigating a bit too. As far as I recall, those IP addresses were used in the past, nowadays everybody uses 192.168.1.100, or so I think. Care to give me some URL links? I could write detection for another commonly used IP address, if that means better usability for the program. As for the community, I will create a preference box.

Regards,
Rui
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Downloads:4,279
Version Downloads:2,598
Type:Utilities : Network
License:Free
Date:27 Aug 2009
Platform:PPC 32 / Intel 32 / OS X
Price:Free0.00
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cablemdiag (formerly known as DOCSIS Cable Modem Diags) attempts to expose some of the more important maintenance variables to the public, allowing their manual exposure. In addition, it also display a warning when the values of the cable's signals are off the range. (i.e. cable not good). Now it also has context sensitive help explaining the data collected.


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