DOCSIS Troubleshooting Archives

19 12, 2016

DOCSIS 3.1 Beating Expectations, Working and Ready for Service Now

Mia Colabrese2016-12-19T11:18:36-05:00December 19th, 2016|

DOCSIS 3.1 Beating Expectations, Working and Ready for Service Now At this years SCTE Cable Tec Expo, several large MSOs, such as Comcast, made statements that DOCSIS 3.1 is working and it is working with great results. Only the downstream OFDM (orthogonal frequency division multiplexing) portion is currently supported in DOCSIS 3.1 CMTSs. Upstream OFDMA (orthogonal frequency division multiple access) is supported in the CPE side (aka cable modems), but only one CMTS vendor has support for upstream OFDMA. This is really not considered a show stopper, however.

14 12, 2016

DOCSIS 3.1 Downstream and Upstream

Mia Colabrese2021-08-16T18:43:42-04:00December 14th, 2016|

DOCSIS 3.1 Downstream and Upstream Testing and Throughput Episode 24 Hosted by Brady Volpe of the Volpe Firm, this video / podcast has a focus on the DOCSIS 3.1 downstream and upstream with a practical review of the latest advancements in DOCSIS 3.1 and practical applications in production systems. Guests include John Downey, CMTS Technical Leader at Cisco Systems, Jeff Riddel, Solutions Architect at Cisco Systems and Jason Miller Technical Marketing Engineer at Cisco Systems. Hello Everyone. Today is November 17th and this is episode 24 of our shows on

8 08, 2016

Top Reasons Cable Modems are not Getting Expected Speed and CMTS Monitoring

Mia Colabrese2021-08-16T20:05:30-04:00August 8th, 2016|

Cable Modems not Getting Speed - Top Reasons Cable Modems are not Getting Expected Speed and CMTS Monitoring Episode 22 Hosted by Brady Volpe of the Volpe Firm, Nimble This and Guest John Downey, CMTS Technical Leader at Cisco Systems. Today’s show we will cover cable modems not getting speed and monitoring your CMTS for proper Cable Modem State and Service Flow Operation. At the bottom John has supplied us with his presentation if you would like to listen along with viewing the slides. There were some technically issues

26 05, 2016

DOCSIS 3.1 Clearing Up Misconceptions

Mia Colabrese2021-08-16T20:10:13-04:00May 26th, 2016|

DOCSIS 3.1 Clearing Up Misconceptions with DOCSIS 3.1 Spectrum Allocation Episode 21 Hosted by Brady Volpe of the Volpe Firm and Nimble This, with guest John Downey, CMTS Technical Leader at Cisco Systems. Today’s show we will cover DOCSIS 3.1 spectrum allocation, applications and deployment in existing cable plants. No changes in the existing plants are necessary! What Cable Operators need to know. In addition, ANGACOM presentation preview by both John Downey and Brady Volpe who will be presenting at ANGACOM this year. Find out what they will be covering.

18 01, 2016

May the Force be with Operational Challenges, Industry Trends, DOCSIS 3.1 and Star Wars

Mia Colabrese2021-08-16T20:24:54-04:00January 18th, 2016|

May the Force be with Operational Challenges, Industry Trends, DOCSIS 3.1 and Star Wars Episode 18 Hosted by Brady Volpe of the Volpe Firm and Nimble This. Guest John Downey, CMTS Technical Leader at Cisco Systems. Today we are going to focus on your questions and provide our answers. If we don’t have answers we promise to make up answers so convincingly true that you will never know the difference. Just kidding. DOCSIS 3.1 operational challenges. In the NEWS According to Cablelabs, The certification of five vendors marks the largest

5 10, 2015

CableLabs interop DOCSIS 3.1 Channel Bonding

Mia Colabrese2021-08-17T08:14:53-04:00October 5th, 2015|

CableLabs Interop, DOCSIS 3.1 Channel Bonding Episode 15 Hosted by Brady Volpe of the Volpe Firm and Nimble This, with Guest John Downey. Today we have news, updates from the CableLabs interop in Colorado, Max transmit power with 8 upstream DOCSIS 3.1 channel bonding, more on T3 timeout, partial mode oh my, T1 timeouts, my recommendations on ad blocking and more. In the NEWS SCTE Cable Tec Expo is less than two months away in New Orleans Apple's fourth-generation Apple TV will be available in late October. Hackers have stolen personal

22 07, 2015

DOCSIS – Change is Coming and it is Good

Mia Colabrese2021-11-24T09:43:56-05:00July 22nd, 2015|

DOCSIS - Change is Coming and it is Good Everyone is talking about it. Everyone in cable will be impacted by it. You may not realize it but DOCSIS 3.1 will change the cable industry — whether cable operator, vendor or consumer. Even if you don’t plan to upgrade to DOCSIS 3.1 you will be impacted. There are two fundamental technologies that DOCSIS 3.1 has me excited about. First, DOCSIS 3.1 enables gigabit speeds, which allows us to extend the life of coax cable without the expense of

26 01, 2015

Full Band Capture a Spectrum Analyzer in DOCSIS Cable Modem Episode 9

Mia Colabrese2021-08-17T09:11:29-04:00January 26th, 2015|

DOCSIS 3.0 Full Band Capture and So Much More Episode 9 Hosted by Brady Volpe of the Volpe Firm and Nimble This with guest John Downey of Cisco. Brady and John cover the benefits of the latest technology available (full band capture) in DOCSIS 3.0 cable modems such as: Full band capture offering spectrum analyzer functionality in every subscriber home with DOCSIS 3.0 modem Extended transmit power allowing cable modems higher transmit power when in bonded modem with the new CableLabs ECR Built-in FTP transfer allowing local speedtest functionality PNM

22 12, 2014

DOCSIS Load Balancing Continued Episode 8

Mia Colabrese2021-08-17T09:20:34-04:00December 22nd, 2014|

DOCSIS Load Balancing Continued, DOCSIS 3.1 and other questions answered Episode 8 Hosted by Brady Volpe of the Volpe Firm and Nimble This with guest John Downey of Cisco. Brady and John cover what DOCSIS load balancing is all about, best practices for load balancing, and common challenges faced with DOCSIS load balancing. The guys also go over some Q&A from the audience and write-in questions from viewers. If you have questions about an episode or have a suggestion for a new topic write in on comments. We do

3 11, 2014

Load Balancing DOCSIS 3.1

Mia Colabrese2021-08-17T09:27:23-04:00November 3rd, 2014|

Load Balancing, DOCSIS 3.1 and Power Calculations Episode 7 Hosted by Brady Volpe of the Volpe Firm and Nimble This with guest John Downey of Cisco. Discussion Highlights included DOCSIS 3.1, Load Balancing, Proactive Network Maintenance - PNM and Power Calculations. We do our best to bring our audience great technical content every month. You can watch us live on the air or catch our recorded episodes on YouTube. Or download our audio only version with your favorite podcatcher. If you have enjoyed this episode, please do hit the subscribe button so that