Docsis chat

Hello,

how can i set a Quality of Service(QoS) policy to preserve the voip traffic on my docsis network?

I have a Motorola BSR2000 CMTS, Cable Modems Motorola SB4200, and for provisioning ISC DHCP, TFTP Server on Centos 5.2...

thanks in advanced...

Hello All,

I'm setting up a C3 with a Debian linux server and its dhcp server. I have cable modems on the C3 that will not get past the init(o) state. I believe that means that the cm cannot get a config file from the tftp server. my syslog shows this:

Jul 20 11:33:47 benchmark dhcpd: DHCPDISCOVER from 00:0a:73:f6:d8:77 via 10.5.1.2
Jul 20 11:33:48 benchmark dhcpd: DHCPOFFER on 10.5.1.4 to 00:0a:73:f6:d8:77 via 10.5.1.2
Jul 20 11:33:50 benchmark dhcpd: DHCPREQUEST for 10.5.1.4 (10.1.1.1) from 00:0a:73:f6:d8:77 via 10.5.1.2

I am new to this Docsis technology and my company wants to inject internet and voip in CATV. I therefore need a small CMTS for testing before spending tens of thousands of dollars on the larger one that will supply atleast 20000 clients. So, can someone advise me where to get a cheap CMTS for my tests. Thanks to all.

Does anyone have any type of comparison data on all the DOCSIS provisioning systems? I cannot find anything in Gartner or Forrester. Any help would be greatly appreciated.

Hi, everyone

I'm seeing a whole lot of these messages in dhcp log for varios cable modems:

Jul 15 09:28:11 mynetwork dhcpd: DHCPREQUEST for 10.67.4.17 from 00:13:11:a6:96:0f via eth2
Jul 15 09:28:11 mynetwork dhcpd: DHCPACK on 10.67.4.17 to 00:13:11:a6:96:0f via eth2
Jul 15 09:28:11 10.67.4.17 CABLEMODEM[DOCSIS]:<68010100>DHCP RENEW sent - No response

It looks like DHCPACK from the dhcp server doesn't arrive on time or doesn't arrive at all. The strange thing is that when I ping the cable modem, there is no packet loss. Neither latency is high.

hi all,

need help on docsis best practice on how to filter bad tcp/udp ports. Thanks

saintlan1

I'm in need of the MIB's for this modem. IF anybody could pass it along... Tha would be Great.. ;-)

Thanks

~Carl

Hi to all,

i tryed to install the docsisserver at first time on a debian (lenny) machine. After resolve the "m4 - Problem" the ./configure says that a mysql4.0.0 Server is needed. Lenny brings mysql 5.x per default. Is there a Patch, Tip, Trick etc. to brings up the docsisserver with mysql5.x?

Any ideas ?

Thanks

Dikra

Hi everyone.
Searching for some information about the MTA file configuration, i can see that the MTA file configuration downloaded is wrong. Because there is a loop downloading the configuration file. I know this a NCS based MTA.
I don't believe that the problem is the DHCP server.

So i have questions:
1) How can i debug the MTA file configuration and check the point failed?.
2) What is the minimum configuration in order to provision it?
3) May some body share a MTA config example for this model?

Good day,

Using Cisco CNR I can configure a cable modem and it gets its IP and .cm file
Behind that cable modem is a host that I want to make an ip to mac reservation and then send a file to the host right after dhcp using tftp.

this is what it would look like using a linux dhcp server (snip from dhcpd.conf)

(Note this is in a lab environment so the IP's are not public)

#!/bin/sh
authoritative;
ddns-update-style none;
deny duplicates;
one-lease-per-client true;

#Do Not Remove ---PacketCable--- STARTS
option option-177 code 177 = encapsulate o177;
option space o177;