Docsis chat

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

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.

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

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 :

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

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 ?

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

Hello all

I am no so new, but new about CMTS

I like to know how can do to put run this uBR:

on the Slot0: exist a flash about 48mb, and it have images. but I dont know how recovery.

System Bootstrap, Version 12.0(5r)XE2, RELEASE SOFTWARE (fc1)
Copyright (c) 2000 by cisco Systems, Inc.

R5K CPU
C7100 platform with 65536 Kbytes of main memory

Hi Friends,

I am reading on various MAC Domains like MD-CM-SG-ID , MD-US-SG-ID or MD-DS-SG-ID , but not able to understand these terms. If there is any easy explanation of what are they, why we need them, how they helps us actually.

Also how these can be works out from SNMP Perspective ?

Hello Friends,

I am working on project related to CATV, and would like to know if the below SNMP Metrics varies frequently. If so , i need to look for some script to pull the values periodically .

1.3.6.1.2.1.10.127.1.1.2.1.2.4 UpStreamFrequency
1.3.6.1.2.1.10.127.1.1.2.1.3.4 UpStreamWidth
1.3.6.1.2.1.10.127.1.2.2.1.17.2 docsIfCmStatusEqualizationData

Also please let me know how frequent the values will get changed, and what would be the right time interval to query