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Docsis chat

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

Ericsson HM201c

Forums: 

I know these are a bit old (indeed), but I have still several of them in the field. After moving to 256QAM, some of them are unable to find the downstream. On several places plant issues were confirmed and fixed, but there are still several modems which would not find the downstream for whatever reason. Another Ericsson HM201c plugged in the same place works just fine, and reports normal SNR levels.

Anyone having any suggestion what to look at? Anyone having firmware updates for these units?

cable modem firmwares

Forums: 

Hello,

We use about 5 different types of cable modems on our systems. Does anybody have a nice neat way of updating firmwares via tftp without screwing up other modems? I update my Arris tm502Gs like this:

MAIN
{
SnmpMibObject docsDevSwAdminStatus.0 Integer 2; /* allowProvisioningUpgrade */
SnmpMibObject enterprises.4115.10.1.20.0 Integer 16384 ;
SwUpgradeFilename "TS050269_102408_NA.MODEL_4_5_6.SIP.TELNET_ON.img";
SwUpgradeServer 10.0.0.1;
}

Webstar Scientific Atlanta (Cisco) EPR2320

Forums: 

Does someone can use a modem Webstar Scientific Atlanta (Cisco) EPR2320 (modem with wifi)? If so, could someone send me their configuration files. I need to configure for WEP, channel, etc.
Any help will be appreciated.

Thanks.
Tom.

Customized Bandwidth for Cable Modem

Forums: 

Hi there,

How can I give full bandwidth access on my locally hosted ftp server to my cable modem users and when they access internet bandwidth they should get their allocated bandwidth.

Is there any possibility to do that?

Please help in this regard.

Sajjad

choosing a modem

Forums: 

I'm setting up a ubr7223 using 1.1. I want to use a 2.0 modem that is backwards compatible, just in case we go to a 2.0 capable cmts in the future. I'm going to try using Docsis_Server first.

Are all modems created equal? Will all brands work with Docsis_server? Are there any brands that should be avoided? Will they all do NAT?

IOS for older uBR hardware

Forums: 

I have a uBR7223 with two old cards (MC-11 and MC-14C), NPE-200 and 20 MB ATA Flash. I'm running IOS 12.2(8)T8 and am experincing some bugs, the worst of which is that sometimes the IOS "forgets" to include option 82 in relayed DHCP packets, which is how our provisioning of client IPs works.

I've contacted two Cisco dealers here in Bulgaria, both say that platform is already EOL and EOS, and that there are only 12.3 IOSes available for the UBR7200 platform, which are (1) too big for our ata flash and (2) do not support the MC11 for sure, I think the MC-14C too.

any success with Quelea??

Forums: 

i tried to install Quelea, to test it and try it.. but i have a lot of problems with perl, i got a syntax error and cant get it installed...
Any one success to install?
http://jhthorsen.github.com/quelea/
thanks

Which frequency should I choose?

Forums: 

I'm setting up a Docsis 1.1 uBR7223 on a small rural catv plant. We're using 25 channels for TV (2-25) and our bandwidth is about 230Mhz. Without losing any TV channels, which frequency can I use for Downstream? Which is known to work best and do any of these require FCC or FAA permits/reporting? What do I need to look out for?

Arris C3 OID to know CM Data Throughput

Forums: 

Hi
When I type in the C3 scm x.x.x.x detail I have the last 4 lines that say :

Total US Data : xxxx packets, xxxxxxx bytes
Total US Throughput : x bits/sec, x packets/sec
Total DS Data : xxxx packets, xxxxxxx bytes
Total DS Throughput : x bits/sec, x packets/sec

I need to know if its possible to get the values "Total US Throughput" and "Total DS Throughput" using SNMP or I must calculate them.

Any help will be appreciated.

Thanks.

Demian

arris modems mta files and cisco cnr

Forums: 

We are using cisco cnr version 7 and have always used inneoquest compbination ta's and cable modems. We have gotten a batch of arris modems and our phone provider says we need to point them to there provisioning server use option 122 in the dhcp server.

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