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

Noise cancellation with Docsis 3.0

Forums: 

Hi group

Somewhere, one person told me D3.0 is useful to get easier noise hunting than D2.0. I don't know if that is correct or is a myth. I know D3.0 has bandwidth advantages but is good for noise cancellation? Is easier to hunt noise with D3.0? What would be the main difference?

Thanks in advance

TLV 18 and TLV 35 details

Forums: 

Max cpe information related are stored in docsis config file as TLV 18 and TLV 35 ..but i cannot find more info on TLVs ..., any pointers ???

Node Ratio

Forums: 

We currently have 42 nodes broken down into 5 upstream (return) node groups. On the downstream (forward) side of the plant, we have a single node group. We would like to break the downstream into 4 node groups. The way the math works, we will have 10 downstream channels per node group and we will have 2 downstream channels that cover all 4 node groups. We will be using an ATX Q-Series amplifier to provide channel isolation between the four node groups.

BSR 2000 ethernet port error

Forums: 

Hello ,
Not sure whats going on with the Ethernet ports in back , but I lost connection to all modems and I have already power cycled the bsr and I noticed the Ethernet port link lights come on with all ports except the first top left port. But I am only plugged into the bottom middle port , so no other data cables are plugged into the other ports but the link lights all show up anyway? I have a "fail" light on front as the only error and I have already tried new cables. Any ideas or perhaps I have a bad circuit or port panel?

option-code OPTION_V-I_VENDOR_OPTS (125) in packet cable

Forums: 

what is the use of option-code OPTION_V-I_VENDOR_OPTS (125) in packet cable eUE DHCPv6

D3.0 IPv6 Pairing

Forums: 

I'm in the early stages of dual-stack deployment on our cable network. At this stage of testing, there are only IPv6 static routes in place and no DHCPv6 server has been configured. So far subnetting and routing hasn't been too much trouble.

When I configure an IPv6 capable router and connect it to any D3.0 modem, connectivity is fine. I can ping out from any client autoconfigured by the router. From the CMTS, I can also ping the router's WAN IP and the aforementioned clients from the delegated prefix.

8x4 Channel Bonding

Forums: 

We are doing testing for 8x4 Channel Bonding, and are seeing an unusual phenomenon. With 1GHz splitters (2-, 3-, 4-way) and with 1.2GHz (2-, 3-, 4-way) our test modems will not lock onto all 8 channels down; however, when we use our IPTV/MoCA1.1 1.5GHz splitters (2-, 3-, 4-way) they will lock onto all 8 downstreams. Interestingly, if we use 2 1GHz splitters, it will lock on. And we have tried frequencies in the low 700s and in the upper 400s.

Packet cable v6

Forums: 

where to read about packet cable v6, MTA requesting with v6 data which spec to read, any information about this

Wanted - BigBand Networks Cuda C12K MA000448 Card

Forums: 

This is the Multi-port Gigabit Ethernet Interface Module released in 2007.

Large Cisco lot available ( used )

Forums: 

Good morning / afternoon / evening,

We have a rather large lot used Cisco equipment available anybody interested ?

Please let me know and I will send you the details

Cheers,
Rob
7Digits

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