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

Small Cable Deployment - CMTS 1000

Forums: 

Hello,
I am a senior network engineer with a 20+ year background. I am working with a small cable company (<200 subs) to install a CMTS 1000. I've configured it, set up tftp, dhcpd, and am using our ntp servers. I've gone through many of the configurations here, and I think I am pretty close.

I'm seeing the cable modem make a request at the cmts, and at the dhcp server. I see this at the CMTS..

CABLE: <> DA=ff:ff:ff:ff:ff:ff SA=00:0c:e5:24:7c:7a
SRC IP=0.0.0.0 DST IP=255.255.255.255 yiaddr=0.0.0.0 chaddr=00:0c:e5:24:7c:7a

split static pool

Forums: 

I currently have one ubr with about 3000 users, 200 of them have static ip addresses. I am about to replace the single ubr with 2 ubr 7246 vxr's and need to split the plant to handle the growing load. which means I will have an avg of 100 static on each cmts. Does anyone know a why to config this network so I don't have to have 100 subscribers renumber their static ip addresses?

CMTS Interface Infomration

Forums: 

Dear all,

Our company has a new ubr-10k machine, and we try to log its status recently.
Is it possible to dump the amount of connected cm, the amount of connected cpe, SNR and Power level of each interface.
Ex. Cable5/0/1/upstream-0 ; SNR(US):34 ; DS TxPower:0 ; CM:12 ; CPE:30

Thanks,
Letea.

Good practices for upstream cards

Forums: 

Hi,

As a rule of thumb, I like to use the default settings for the upstream cards in the Arris 1000 and 1500 CMTSs. But, is there a better way? For example, if I have some stubborn modems that won't connect can I set one card to be sort of a "catch all" that gets modems with less than good signal levels? I guess what I need is a cheat sheet for all of those parameters in the upstream cards:

admin-status up
frequency 29950000 hertz
width 3200000 hertz
power 20 tenths-of-dBmV

Big trouble!!! Arris CMTS 1500 reboots every 3-20 minutes!!

Forums: 

Hi all,

I really need help with this one and am ready to pay for help. My CMTS 1500 keeps rebooting. Here are some of there errors I get on the console:

freeing buffer twice 0xa06c3000, caller 0x8011a494, callers caller 0x801a467c

EH_event: fatal event: Internal inconsistency in Upstream Scheduler. Extra: 9,0,00000000,00000000,00000000

EH_event: fatal event: Assertion failed, file qd.c, line 4018

EH_event: fatal event: Internal inconsistency in Upstream Scheduler. Extra: 9,0,00000000,00000000,00000000

C9 Networks CMTS

Forums: 

Looking for documentation for their CMTS products.

Linux Border Router

Forums: 

Hi All.. This is my first post to the forum and i am very happy to contact you.

I came here because i have problems about put a Linux Border Router to improve qos in my docsis implementation.

arrisCmDevWrmProvFileName and arrisCmDevWrmProvFile OIDs

Forums: 

Hi all,

could someone that has the access to the Arris CM binary file generator provide the OIDs for arrisCmDevWrmProvFileName and arrisCmDevWrmProvFile? I am unable to find them anywhere.

TIA

Docsis server 3.5 stuck in init(o)

Forums: 

Hi everybody,

I need assistance with my Docsis server 3.5. We use Arris C3 CMTS and surfboard motorola modems.

I had successfully installed the docsis server 3.5 on a debian linux operating system. My primary concern is that the modem only reaches INIT(o) and it stuck there forever. The docsis server has assigned ip address of the modem but could not finish the INIT(o).

Anybody who has a running MYSQL config of the docsis server 3.5?
And by the way, I tried sending emails to docsis_guy@accesscomm.ca but he's email is not anymore available. Anyone who has email with docsis_guy?

Downstream

Forums: 

Thank Goodness I found this forum. I got shoved into this cable modem world and am trying to set up new s/w for provisioning and monitoring to work with our 2 cmts's
To explain our config a little on one cmts we have 2 cards ( 6 ports each) When I look in the cmts config I see the downstream on the 2 cards 3/0 and 4/0 are different 471000000 and 477000000. Does this have to be this way because in my new s/w Docsis service class I see only a place for 1 downstream freq or setting.
Thanks for any help folks, I still have a long way to go
Bobby

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