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RCA is the process of determining the root cause of one or more device alerts. ITNM utilises a RCA plugin that receives a subset of enriched events from the Event Gateway (ncpgevent in ITNM 3.9) and determines whether the events are a root cause or a symptom. RCA TV codes for Dish Network universal remote controls: 3 digit codes (20.1-21.1) for 20.1 & 21.1 Dish remotes. 779 535 503 650 627 505 651 645 508 831 916 521 776. The first RCA network broadcast occurred in December 1923, when a WJZ program was rebroadcast by General Electric's WGY at Schenectady, New York. The 'WJZ chain' saw little growth compared to AT&T's success. USB Wifi Adapter 600Mbps USB 2.0 Wifi Dongle 802.11 AC Wireless Network Adapter with Dual Band 2.4GHz/150Mbps+5Ghz/433Mbps 2DBI High Gain Antenna for Desktop Windows XP/Vista/7/8.1/10 Mac 10.7-10.15. RCA cameras and studio gear, particularly of the TK-40/41 series, became standard equipment at many American television network affiliates, as RCA CT-100 ('RCA Merrill' to dealers) television sets introduced color television to the public. RCA was a major proponent of the eight-track tape cartridge, which it launched in 1965.

This document describes the process to create and extract the Root Cause Analysis (RCA) file from Cisco Digital Network Architecture (DNA) Center.

Contributed by Alexandro Carrasquedo and Rahul Rammanohar, Cisco TAC Engineers



It is required that the user as Command Line Interface (CLI) access to the DNA Center. To log into DNA Center using CLI you must connect via Secure Socket Shell (SSH) to your DNA Center's IP address using maglev as the username on port 2222.

Generate the RCA file in a single node cluster.

Step 1. Log into DNA Center Command Line Interface (CLI) on port 2222. Use maglev as username, unless it was modified during the initial setup. Then run run the sudo RCA command.

Note: The RCA file is generated and stored in /data/rca. The name of the file is in the following format: maglev-<inter-cluster link IP>-rca<date and time>.tar.gz it usually takes around 20 minutes to create the file.

Generate the RCA file in an n-node cluster.

Tip: When you have a functional n-node cluster, services are distributed this means that if you have service A running in node-1 and you get the RCA from node-2, the logs from service A will not be included. Therefore, we recommend that you include the RCA file of all nodes when Cisco TAC requests an RCA file.

When you have a 3-node cluster and you run the rca command on any device, DNA Center asks you for a cluster. DNA Center is refering to the enter inter-cluster IP address of the node you want to extract the RCA from.

In this example, the inter-cluster IP addresses are in the range.

After you run the rca command, the the inter-cluster IP addresses that you specified are cached in /home/maglev/.maglevconf. The next time you run the rca command, DNA Center will use the same node to get the RCA information.

If you need to run the rca command on a different node, you need to delete the context that is configured in DNA Center. Then, DNA Center will ask you to select a new inter-cluster IP address and you can define the other node's IP address.

Extract the RCA file on a Windows computer.

Step 1. Download winscp or your favorite SCP client.

Step 2. Log into DNA Center using your CLI credentials, choose SCP as the File protocol and select port number 2222.

Step 3. Go to the /data/rca folder

Step 4. Copy the RCA file to your local computer.

Extract the RCA file on a MAC/Linux computer.

Note: In this example my DNA Center IP address resolves to mxc-dnac4.cisco.com, please replace this hostname with your DNA Center FQDN or IP address

Step 1. Open your terminal and follow the next steps to copy the RCA file named maglev- stored in your DNA Center in /data/rca to the present working directory in your computer.

Push the RCA file to a MAC/Linux computer with the use of the following syntax.

The following is an example of the command used in the lab:

Upload the RCA file to the TAC Case from your MAC/Linux/Windows

You can use the Case File Uploader tool to upload the RCA file using a browser to your Cisco TAC Service Request and specify the case number where required.

Push the RCA file (or any other file) directly from your Cisco DNA Center to your Cisco Service Request

There are two options to upload a file (like the RCA) directly from the Cisco DNA Center to a Cisco Service Request. In both options, the username is the SR number and the password is a token that is unique to every SR. The username/password is always present in a note at the beginning of your Service Request and can also be retrieved from SCM, for more details on the token check out link.

Sample output from a Service Request:

Upload Option 1. Upload the file via HTTPS (fastest option and uses 443)

Step 1. Test whether you have connectivity from your Cisco DNA Center to cxd.cisco.com via port 443. There are multiple ways to do this, here is one of the ways.

Step 2. If the above step is unsuccesful, then you cannot use this option to upload your file. Once the above test is successful, then upload the file via HTTPS.


(if you want to see a more detailed view of the upload, then add the -v option. For example, “curl -vT …”)

For example:

Upload Option 2. Upload the file via SCP (uses port 22)

Step 1. Test whether you have connectivity from your Cisco DNA Center to cxd.cisco.com via port 22. There are multiple ways to do this, here is one of the ways.

Step 2. If the above step is unsuccesful, then you cannot use this method to upload your file. Once the above test is successful, then upload the file via scp.


For example:

Founded in 1909, the Radio Club of America is the oldest, most prestigious group of wireless communications professionals in the world, with members across the globe. Its members are dedicated to the wireless art and science for the betterment of society. The Radio Club of America is a 501(c)(3) non-profit organization, and contributions made to RCA may be tax exempt.

Learn more about RCA’s three exciting major initiatives: Creating the Future, Ensuring the Present, Honoring the Past


Rca Network & Wireless Cards Driver Download For Windows 7

RCA’s Newest Board Members

Carl Mathis

Don Root

Jane Winter

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The Radio Club of America (RCA) announces its newly elected board members and officers who will serve a two-year term beginning January 1, 2021.

The new directors are Dr. James Breakall, WA3FET, Charles B. Kirmuss, W0CKB, Carl J. Mathis, Donald E. Root, Jr., K6CDO, Dr. Julio Urbina, KB3PZH, Bill Waugamann, WA3OJG, and Jane Winter. The new Vice President will be David Bart, KB9YPD, Chester “Barney” School, Jr, K3LA, will be Vice President/Counsel, Ronald J. “Ron” Jakubowski, K2RJ will be Treasurer and Margaret J. Lyons, P.E. will be Secretary.

Read our full Press Release HERE.

The Radio Club of America’s 2020 Technical Symposium and 111th Awards Banquet was a Huge Success!

RCA’s first ever virtual Virtual Technical Symposium and Awards Program held on Saturday November 21, 2020 was a great success! Over 100 persons attended both events. For those that missed the events, they are now posted on our YouTube channel. You can view the Technical Symposium Playlist, and the Awards Program. The Technical Symposium program and slide decksare also available for you.

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The Awards Program, hosted by President Emeritus Tim Duffy, showcased awards honorees and the 2020 Fellows.

Thanks to all who attended, and thank you to the RCA members and staff for their time and talent putting together these events!



Celebrate 100 Years of Broadcast in the U.S.

The History:

The first commercial broadcast in the U.S. took place on Nov. 2, 1920. Pittsburgh radio station KDKA broadcast the presidential election results of the Harding-Cox election , making this the first commercial broadcast.

Historical links about KDKA:

Radio.com site commemorating KDKA’s 100th with interesting links to KDKA history & interviews

The Conversation article about how KDKA changed election politics

Wikipedia article on KDKA

Help support the Future of RCA

Your tax deductible donation to RCA would be greatly appreciated. We can accept your donations via Check, Money Order, PayPal or Credit Card. Click the button below for details:

Please consider joining RCA and helping with the good work we are doing!

RCA Quick Links

NEW! RCA Interview Series with Wireless Industry Notables

On even monthson the second Tuesday at 9 PM ET/EDTRCA President Emeritus Tim Duffy will interview a notable person from the wireless industry. These events are open to the general public; you don’t have to be an RCA member to watch, but you must pre-register.

Our next interview: Tuesday Feb. 9, 2021, 9 PM ET, with John Facella, the new President of RCA

We also thank our moderators for these events: Scott Jones and Barney Scholl

Did you miss our prior Interviews? Margaret Lyons, P.E., P.M.P of Jacobs Engineering, Jim Graci of Radio Station KDKA in honor of the 100th Anniversary of U.S. Broadcasting, Eng. Angel Vazquez of the Arecibo Radio Observatory, or Dr. Ted Rappaport of NYU

NEW! RCA Members Networking Event

Taking place every other month, beginning in November,on the second Tuesday at 9 PM ET/EDT RCA President Emeritus Tim Duffy will conduct a virtual networking event for RCA members. With the pandemic making it harder for our members to network, RCA is going to provide this venue for members to get together virtually from the convenience of their home or office!

If you are an RCA member, you must pre-register: login to the Members Only section (top middle tab on this Website) and then click on “Round Table Member” button on the left side bottom. If you don’t have a login please contact Amy,) If you are not a member, now is a great time to join, and get in on this great networking opportunity!

Our next RCA Networking Event: Tuesday March 9th, 2021, 9 PM ET

Congratulations to our 2020 Fellows and Awards Recipients!


The Member Spotlight is a short feature on a current member, what they are doing, and what their wireless interests are. The member that is featured will be changed regularly.

If you are interested in being spotlighted, please contact [email protected] for the form and additional information.

Introducing RCA Member

Jeff Hugabonne

How long have you been in the wireless industry? Nearly 30 years. I started as an on-air radio personality.

What are your specific interests or wireless areas of expertise? My core expertise is with high power RF and Broadcast Engineering, mission critical and disaster response emergency communications, with interested that extend across the E-Mag spectrum, EMP and HEMP protection, antennas, RF propagation & radio history.

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How long have you been an RCA member? I am a new member

What caused you to join? A friend shared a link of the KDKA anniversary show, which I thought was excellent. I think it is important to support RCA, it’s overall mission & preservation of wireless history.

Where do you live and work? I work for CACI International in Arlington; telework from my home office in Simsbury, CT

Are there areas of RCA that you would be interested in learning about? Is there a specific demographic in the wireless industry that you hope to network with? My current career is with critical infrastructure, post (black sky) event resiliency and continuity; emergency message dissemination to the public, but I look forward to presentations, technical symposiums as well as meeting and learning from member across the industries and the fraternity on all aspects of wireless.

RCA’s 2020 Awards Banquet and

Technical Symposium Sponsors

RCA Technical Symposiums:

Maintaining the history and the development of wireless communications.

The history of our Club is one with which every member should be familiar.