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Chatter about DOCSIS, provisioning, networks, and CMTS gear.

uBR10K with NSG9K-40G

Forums: 

Does anyone have an example config or insight for working with DEPI sessions between a Harmonic NSG9K-40G and a uBR10012? The DEPI sessions establish but there doesn't appear to be any traffic sent to the EQAM.

Errors on the NSG:
Platform No Input Traffic On
GbEPort-5(IP:UDP:Out-10.30.4.105:1252051086:13) Socket CMTS-Depi Source Failure On

CMTS MOTOROLA BSR 64000 - Clock Problem

Forums: 

Does anyone have a problem that CMTS loses time ?

Current Time: 05/25-07:18:40

cable modem dbc command

Forums: 

Hi'

I'm trying to move cable modem via the dbc command and it seem to not working

scm d40a.a955.358b wideband channel
MAC Address IP Address I/F MAC DSxUS Primary
State WB
y.y.y.y x.x.x.x C8/1/0/UB w-online 8x4 Wi3/1/0:2

Cable Haunt Vulnerability

Forums: 

Have any of you prepped or read up on the cable haunt vulnerability? It has to be executed from behind the cable modem but there is a pretty good article here

https://www.databreachtoday.com/cable-haunt-modem-flaw-leaves-200-millio...

Blacklist or block a modem from response

Forums: 

I am hoping someone here has a solution. We have a rogue modem we have no idea where it is. It was a customers 6 years ago and is somewhere on our network. Problem is it never connects to get the disabled config it just harasses our cmts.

It pollutes the log files so it makes syslogging worthless when we want to identify any other issues.

Is there some way to ignore this modem completely?

Need newest firmware (or never) for Cisco/Technicolor 3940(A/L etc.)

Forums: 

I have these versions on my modems:

EPC3940 e3940A-E15-5-c5130r55111-141111c
EPC3940 e3940A-E15-13-E1398-c5310r5717-170421

EPC3940L e3940AL-E15-5-c3130r55102-140708c
EPC3940L e3940AL-E15-5-E107-c5130r55113-160318c
EPC3940L e3940AL-ES-16-E1397-c3230r55113-161104c
EPC3940L e3940AL-E15-13-E1397-c5310r5717-170421

Please e-mail to:

j e n s (dot) j o e n s s o n (at) g m a i l (dot) c o m

if you can help :-)

Thx in advance

Arris modems not impressed by 16 channels

Forums: 

I have an odd scenario in which ONLY 16+24 ch Arris modems will not get past init(o) when a 16 channel bonding group is added to the running config of a Cisco 10K (20x20, PRE4).
All non-arris modems (Motorola, SMC, Netgear) connect/bonds to the 16 channels with no issues whatsoever. If changed to a lower group of channels in the interface, wideband, and fiber nodes, the modems will connect 8x4 no problem.
The models in questions are SBG10, DG2460A. I am going to upgrade the firmware (SCI3) tonight to see if that helps.
Any thoughts? Thanks in advance!

BSR64000 ARP Requests

Forums: 

I was running Wireshark to work on something related to our internal network, when I noticed a bunch of ARP requests coming from one of 6 CMTSes. None of the other CMTSes are doing it. In wireshark they show up as a "Who has XXX.XXX.XXX.XXX? Tell XXX.XXX.XXX.XXX"

Any thoughts as to how to stop it from doing that?

Firmware Stock tm822G

Forums: 

Someone has fw stock for TM822G?

software help to create mta telephone lines with cable modem arris e hitron

Forums: 

Hello, friends.

Someone here can tell me that I use to be able to provide telephony through mta cable modem, I currently use isc dhcpd and everything is fine with my c3, now I want to implement the telephony but I don't know what I need or rather what software could use or some way you do it.
I will be grateful.

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