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

Ubr7246vxr w/ MC28U not forwarding provisioning requests

Forums: 

Hi,

I have a UBR7246 VXR and two MC28U cards. I have the modems ranging and my provisioning server does not see the requests coming from the modems. I am unsure what I have wrong. Any help would be great. This is my first time configuring a UBR. Here is a sample of my config.

DEPI Sessions Dropping

Forums: 

Without going into too much detail, we have a fairly simple setup with a fairly confusing issue. We are running a uBR10k to a Nexus 3548 and that to an APEX3k for our M-CMTS solution. We have 8x 3G60s running via fiber to the Nexus, then a single 10G fiber from the Nexus to the APEX3k. Every now and then, we actually drop our DEPI tunnels. Random tunnels, random times, and no help from the logs.

SB5101 Issue

Forums: 

I am trying to have the device status page enabled for viewing across the RF interface/IP address. Right now, it is only viewable on the ethernet interface.

DOCSIS Network Simulation

Forums: 

Dear Sir, I really need help for my final project. I want to simulate a simple DOCSIS network and analyse the performance with different service (ftp/voice/video) in OPNET modeller 14.1, is there anyone familiar with OPNET? how can i configure DOCSIS with those service in OPNET?
Thank you for your attention
Regards,
Shinta

After Upgrade from CMTS1000 to C3, Service class issues.

Forums: 

We recently upgraded a CMTS1000 to a Arris C3, After the upgrade I have noticed the modems will not following the service class bandwidth rules. Example, a customer modem cfg file is set for 5Mbps but when checking throughput I see levels allowed in excess of 25Mbps. Below is the config off the C3.....Thanks in advance.

Copyright 2004,2005,2006, ARRIS International, Inc., All rights reserved.

C9 cmts

Forums: 

I don't have or ever used one.. Been trying to help someone who does. they tell me it's configured via a web page and it's self provisioning with a single downstream and upstream port. Is there a way to get a show run or show tech from these things? Can't see how it's docsis certified with internal dhcp/tftp server..
Thanks in advance for your feedback

~Carl

How to use Cable Monitor on wideband Cable modem

Forums: 

I follow this documentation/procedure :
http://www.cisco.com/c/en/us/td/docs/ios/cable/configuration/guide/12_2s...

And I'm able to capture traffic when I use non-bonding downstream but when I've a modem on bonded DS the same configuration didn't work and can't capture anymore the traffic.

Here the configuration tried :

SBG900 issues

Forums: 

Hi Group

Do you have any issues with SBG900 cable modems? We're having troubles in wifi connections , random resets and config parameters got erased.

Could be a version bug perhaps?

Thanks in advance

Fiber Node Association with CMTS Interface

Forums: 

Each CMTS may have one or many Line Card, in these card, it can have multiple US and DS interfaces. these interface are connected to FiberNode via fiber cable, and then using coxial it send to CM. I can see that only one interface (either US/DS) from CMTS can be connected to Fibernode, then how does the CM uses the same interface for sending both US and DS signal.

How the US/DS interface of CMTS get associated with fibernode ?

Do Fiber Node have IPAddress

Forums: 

Hello,

I would like to know, if IPaddress is been assigned to FiberNode, by DNS Server located at MSO Head end. (is DNS Server will be available at head end or it is available at ISP) .

In case the Fiber Node have IPAddress, which MIB will expose that details, so that I can use that and check the status of FiberNode with periodic status Polling.

Also how does the IPAddress assigned to Cable Modem ?

Thanks is advance

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