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

Ubee EVM3236 firmware

Forums: 

I'm looking for Ubee EVM3236 eMTA firmware v 7.18.1009 and private MIBs.
Can anybody help me with this please?

HOW TO AUTO-SET 2 IP ADDR on a SINGLE CMs' INTERFACE FACING CMTS

Forums: 

Hi Gurus, I need your help on the following topology:

I am have

( [Internet + VoIP Traffic)-CPE===>CM====>CMTS=====>PE. Eventually, I will use two VRFs to separate Internet and VoIP traffic on the PE.

However, I intend to do NATting on the CM such that
Internet traffic would be natted to a public IP interface received from the CMTS while
VoIP traffic would be natted to another public address also receive from the CMTS.

But, I am having single physical cable interface between CM and CMTS.

D3 Multicast Upstream Direction

Forums: 

Hi,
Can anyone give me an example of filtering multicast traffic in direction from CM toward CMTS. I am using Cisco ubr10k for Multicast over Docsis where 4 freqs are spanned to other widebands. In Downstream direction everything is ok, but i wanted to filter possible injection of multicast traffic (from end users) in upstream direction.

configuration file motorola bsr 2000 (pls help me)

Forums: 

Hello dear collaborators, I am currently installing a provisioning system for cable modems mounted in debian 8 and I just need to configure the files for cable modems.

I was wondering if anyone could help me with a configuration file for cmts motorola bsr 2000 or bootfile. I would be most grateful.

Sincerely,
Kurt

Kurt503mes@gmail.com

ubr10k Multiple DHCP Servers for differnt CPEs

Forums: 

I have two sets of CPEs, one will talk to the default cable helper-address. The other CPE's I want to talk to another helper-address.

I have seen commands like

cable dhcp-parse option-60
cable helper-address 1.1.1.1 stb

But that doesn't make sense as i don't know how the Cisco CMTS decides what is a STB and what isn't

Different US modulation profile

Forums: 

Hi,
I am using CISCO CBR8 . Each physical Upstream configured for 4 logical upstreams. Can I use different modulation profile for different logical upstreams of same physical upstream??

BSR 64K 10G port TCP issues

Forums: 

Has anyone had any success using 10G ports on the BSR 64K? We are seeing some issues with TCP when we put some traffic load on the CMTS. I noticed something a little scary in some release notes:

Downstream TCP performance may be degraded when
source data is received on the SRM10G module 10G port with
a burst speed greater than 4 Gbps.

No workaround.
This problem is likely to occur only in pure
10G networks with an edge device sourcing
data to a single endpoint at 10 Gbps.

Is anyone using SRM10G cards in production?

Basic filtering rules in CM config file

Forums: 

Is this example ok to set basic filtering rules in CM config file?

SNMP access table (to create access SNMP filters from the RF interface to the CM)

SnmpMibObject docsDevNmAccessStatus.1 Integer 4; /* createAndGo */
SnmpMibObject docsDevNmAccessIp.1 IPAddress 192.168.0.1 ;
SnmpMibObject docsDevNmAccessIpMask.1 IPAddress 255.255.255.0 ;
SnmpMibObject docsDevNmAccessControl.1 Integer 2; /* read */
SnmpMibObject docsDevNmAccessInterfaces.1 HexString 0x40;
SnmpMibObject docsDevNmAccessCommunity.1 String "some_password";

SNMP on Motorola BSR2000

Forums: 

I need the CMs to log information through snmp to the CMTS. I know exactly how to do this with Cisco, but Motorola is a whole new world for me.
CPEs are already navigating through the CMTS, but i can't extract any information with SNMP although the aprovisioning .bin is working fine and has the SNMP parameters.

IP logging - IPDR?

Forums: 

Hello,

I`m still lacking the information of the currently IP utilization of ours customer and I`ve to know how to do that.
What the community suggest?
Is the IPDR recommended? What software to use (commercial option)?
What about SNMP? The problem here is to do something from the beggining and I don`t have a way to do that.

Is that anything else?

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