David Bombal
David Bombal
Want to learn about IT? Want to get ahead in your career? Well, this is the right place!
On this channel, I discuss Python, Ethical Hacking, Networking, Network Automation, CCNA, Virtualization and other IT related topics.
This YouTube channel has new videos every week! Subscribe for technical, detailed, no fluff content.
David’s details:
Discord: https://discord.com/invite/usKSyzb
Twitter: https://www.twitter.com/davidbombal
Instagram: https://www.instagram.com/davidbombal
LinkedIn: https://www.linkedin.com/in/davidbombal
Facebook: https://www.facebook.com/davidbombal.co
Website: http://www.davidbombal.com
YouTube: https://www.youtube.com/davidbombal
All the best!
David
On this channel, I discuss Python, Ethical Hacking, Networking, Network Automation, CCNA, Virtualization and other IT related topics.
This YouTube channel has new videos every week! Subscribe for technical, detailed, no fluff content.
David’s details:
Discord: https://discord.com/invite/usKSyzb
Twitter: https://www.twitter.com/davidbombal
Instagram: https://www.instagram.com/davidbombal
LinkedIn: https://www.linkedin.com/in/davidbombal
Facebook: https://www.facebook.com/davidbombal.co
Website: http://www.davidbombal.com
YouTube: https://www.youtube.com/davidbombal
All the best!
David
Episodes
Mentioned books

Jul 8, 2019 • 8min
#60: GNS3 2.2 Web UI: Download and install GNS3 on Windows 10 Part 2
GNS 2.2 introduces the GNS3 Web-UI! Fantastic news as this is the first step towards only requiring the GNS3 VM and not needing a Windows GNS3 client! Video 1 here: https://youtu.be/LvLGEKD-oqA
Video 3: https://youtu.be/anYw9pbAUiI
Video 4: https://youtu.be/zUBaLnQwbpA
Want to know to install, configure and setup GNS3 2.2? Well, these videos show you. In my first video, I show you how to download the components you require and how to install the GNS3 GUI on Windows 10. We build a basic network with GNS3. In this video I show you how to use the GNS3 2.2 Web-UI and GNS3 VM and then how to build a network using Cisco VIRL IOS images.
Thank you Jeremy for all your hard work creating and updating GNS3!
#gns3 #gns3webui #gns3web

Jul 5, 2019 • 13min
#59: GNS3 2.2 Installation and Configuration Part 1: Download and install on Windows 10
Want to know to install, configure and setup GNS3 2.2? Well, these videos show you. In this first video, I show you how to download the components you require and how to install the GNS3 GUI on Windows 10. We build a basic network with GNS3. In subsequent videos I'll show you how to use the GNS3 2.2 Web-UI and GNS3 VM and then how to build a network using Cisco VIRL IOS images.
Thank you Jeremy for all your hard work creating and updating GNS3!
#gns3 #gns3tutorial #gns3vm

Jul 5, 2019 • 52min
#58: Python, Genie and CSV Files = Easy Network Automation (DevNet)
Want to automate networks easily? Use Python, CSV files and Cisco Genie (pyATS). Hank Preston shows us how to connect to live devices and automate the network.
Menu:
1:15 - Start Python Virtual Environment
4:10 - Install VIRL utils
6:12 - Genie Install
8:10 - Genie Inventory file (testbed file)
12:05 - Install iPython
12:30 - Create and use Genie Python Script
32:00 - Python Script with multiple devices
Videos mentioned and references:
CSV Part 1: https://www.youtube.com/watch?v=PB9D4RqBaQw
Genie Intro Video: https://youtu.be/unOmwDsMj8k
VIRL Utils: https://www.youtube.com/watch?v=S0jfZLobFdU&t=2188s
Which network automation tool should I learn? https://youtu.be/jsh4XUPZTWE
pyATS and Genie on DevNet: http://bit.ly/2KVshrt
NetDevOps Live Episode on Python Libraries including CSV: http://bit.ly/2xrowkK
Network programmability Basics Video Series covering CSV: http://bit.ly/325FxPB
Code Samples Repo https://github.com/hpreston/network_info_scripts
Final Code Sample https://github.com/hpreston/network_info_scripts/blob/master/interface_report.py
Interactive Walkthrough https://github.com/hpreston/network_info_scripts/blob/master/interface_report_interactive.py
#DevNet #DevNetAssociate #DevNetAssociateCertification

Jun 26, 2019 • 25min
#56: The NEW CCIE explained!
Deep Dive into the new CCIE certification. Yusuf and Joe answer many of the questions about the new certification. More information: http://bit.ly/cisconextlevel
Learn how the ccie has been updated. How it affects the CCNA and the CCIE.
Menu:
00:39 - General differences with CCIE now
02:28 - General routes to getting CCIE
04:15 - The Progressive storyline
05:55 - Programmability and automation labs
07:36 - CCIE replacement to written exam
08:45 - Updates to labs
09:29 - Can I go straight to CCIE from the previous CCNP?
12:07 - Are the tracks now more difficult?
14:08 - If I don't take my lab before February 2020 what happens?
16:42 - What is happening to CCDE?
18:21 - CCIE Lifecycle
20:16 - Emeritus status
21:00 - Do we need to know programming?
21:56 - Future of automation skills
AR Mobile app
https://youtu.be/toC2eBOi_xY
VR applications
https://youtu.be/F2AgIXUsKS8
Joe Clarke:
Distinguished Engineer, Customer Experience – Cisco
LinkedIn: http://linkedin.com/in/JoeClarke2
Yusuf Bhaiji:
Sr. Manager, Global Certification Programs – Cisco
LinkedIn: http://linkedin.com/in/YusufBhaijiCisco
Twitter: @YusufBhaiji
David's details:
YouTube: https://www.youtube.com/davidbombal
Twitter: https://www.twitter.com/davidbombal
Instagram: https://www.instagram.com/davidbombal
LinkedIn: https:/www.linkedin.com/in/davidbombal
#CCIE #CCNP #CCNA

Jun 24, 2019 • 6min
#55: Wireshark: Packet Analysis and Ethical Hacking Course
Get the course for $10 here: http://bit.ly/2IXZnn8
Do you know network protocols? Do you know how to hack? Want to learn wireshark and have some fun with Ethical hacking? This is the course for you:
Learn Wireshark practically. Wireshark pcapng files provided so you can practice while you learn! There is so much to learn in this course:
- Capture Telnet, FTP, TFTP, HTTP passwords.
- Replay VoIP conversations.
- Capture routing protocol (OSPF) authentication passwords.
- Troubleshoot network issues.
- Free software.
- Free downloadable pcapng files.
- Answer quiz questions.
The course is very practical. You can practice while you learn!
Learn how to analyze and interpret network protocols and leverage Wireshark for what it was originally intended: Deep Packet Inspection and network analysis.
Protocols we capture and discuss in this course include:
- Telnet
- FTP
- TFTP
- HTTP
- VoIP
- OSPF
- EIGRP
- DNS
- ICMP
Who this course is for:
Network Engineers
Network Architects
Ethical hackers
Networking Students
#CCNA #Wireshark #Hacking

Jun 24, 2019 • 30min
#54: The NEW CCNP explained!
Deep Dive into the new CCNP certification. Yusuf and Joe answer many of the questions about the new certification. More information: http://bit.ly/cisconextlevel
Learn how the ccnp has been updated. How it affects the CCNA and the CCIE.
Menu:
00:33 - Introduction to CCNP changes
03:45 - CCNP requirements
04:31 - Re-certification
06:48 - CCNP Cores
08:42 - Differentiating specialities
12:18 - Devnet Certifications
15:06 - Incremental recognition learning routes
17:01 - Continuous learning option
23:16 - New technologies
24:53 - Training badges
26:44 - New Cisco press books and online training
AR Mobile app
https://youtu.be/toC2eBOi_xY
VR applications
https://youtu.be/F2AgIXUsKS8
Joe Clarke:
Distinguished Engineer, Customer Experience – Cisco
LinkedIn: http://linkedin.com/in/JoeClarke2
Yusuf Bhaiji:
Sr. Manager, Global Certification Programs – Cisco
LinkedIn: http://linkedin.com/in/YusufBhaijiCisco
Twitter: @YusufBhaiji
David's details:
YouTube: https://www.youtube.com/davidbombal
Twitter: https://www.twitter.com/davidbombal
Instagram: https://www.instagram.com/davidbombal
LinkedIn: https:/www.linkedin.com/in/davidbombal
#CCNP #DevNetAssociate #CLUS

Jun 21, 2019 • 25min
#53: The NEW CCNA Explained!
Deep Dive into the new CCNA certification. Yusuf and Joe answer many of the questions about the new certification. More information: http://bit.ly/cisconextlevel
Learn how the ccna has been updated. How it affects the CCNP and the CCIE.
Joe Clarke:
Distinguished Engineer, Customer Experience – Cisco
LinkedIn: http://linkedin.com/in/JoeClarke2
Yusuf Bhaiji:
Sr. Manager, Global Certification Programs – Cisco
LinkedIn: http://linkedin.com/in/YusufBhaijiCisco
Twitter: @YusufBhaiji
David's details:
YouTube: https://www.youtube.com/davidbombal
Twitter: https://www.twitter.com/davidbombal
Instagram: https://www.instagram.com/davidbombal
LinkedIn: https:/www.linkedin.com/in/davidbombal
#CCNA #DevNetAssociate #CLUS

Jun 17, 2019 • 39min
#52: The New CCNA, CCNP, CCIE certifications explained - BIGGEST Cisco Certification updates EVER!
What's going on with the Cisco certifications? Lots of questions! Well, here are the answers! Network Chuck and I discuss the new Cisco ccna, ccnp and ccie certifications with Yusuf Bhaiji and Joe Clarke. What are the changes to the certification program? How do they work? Lots of questions answered in this video!
More information: http://bit.ly/cisconextlevel
Menu:
00:30 - Introductions
02:11 - Background of Cisco certifications
03:49 - The purpose of Cisco Certifications
06:46 - Balancing old and new expectations
08:48 - Reasons for the changes
10:01 - Overview of new CCNA
14:48 - Overview of new CCNP
21:42 - Versatile certification journey
23:17 - Future of IE exams
26:34 - Are the knowledge gaps between technology cores big?
31:43 - What are the different components in the high level?
33:22 - What happened to CCDA?
36:50 - Where is the best place to get more information?
Joe Clarke:
Distinguished Engineer, Customer Experience – Cisco
LinkedIn: http://linkedin.com/in/JoeClarke2
Yusuf Bhaiji:
Sr. Manager, Global Certification Programs – Cisco
LinkedIn: http://linkedin.com/in/YusufBhaijiCisco
Twitter: @YusufBhaiji
David's details:
YouTube: https://www.youtube.com/davidbombal
Twitter: https://www.twitter.com/davidbombal
Instagram: https://www.instagram.com/davidbombal
LinkedIn: https:/www.linkedin.com/in/davidbombal
#CCNA #DevNetAssociate #CLUS

Jun 11, 2019 • 13min
#51: CCNA Changes today! New CCNA and new DevNet Associate Certs! Exclusive interview! ccna | devnet
Wow! New CCNA and DevNet Associate announcement! CCNAv4 and DevNet certs: http://bit.ly/ccnadevnetassociate
The CCNA routing and switching certification no longer exists! Exclusive interview with Susie Wee telling Network Chuck and me the changes to the CCNA and the new DevNet Associate exam!
New Certifications: http://bit.ly/ccnadevnetassociate
Network Automation: http://bit.ly/NetworkAutomation
Changes:
- Single CCNA certification exam. No longer multiple tracks! CCENT no longer available.
- New DevNet Associate certification
- New CCNP certification
- New DevNet Professional certification
- New CCIE and DevNet Expert certifications
David's details:
YouTube: https://www.youtube.com/davidbombal
Twitter: https://www.twitter.com/davidbombal
Instagram: https://www.instagram.com/davidbombal
LinkedIn: https:/www.linkedin.com/in/davidbombal
#ccna #devnet #devnetassociate

Jun 10, 2019 • 30min
#50: Want Hank Preston to teach you live? Free Training!
Do you want Hank Preston to teach you live? Free Python, Ansible, Cisco DevNet training! Visit NetDevOpsLive: There is so much valuable content available for free.
Learn how to secure your Python scripts. And many other topics!
Menu:
00:57 - What is NetDevOps Live?
02:57 - NetDevOps website and contents
04:57 - Video libraries
06:35 - Is this all free?
07:30 - The types of presenters you can expect in these sessions
08:53 - Practical examples
09:47 - How do you determine the topics to cover?
13:07 - How do people make requests?
13:36 - How long do the seasons last?
14:41 - What topics are the most popular?
16:55 - Live versus recorded sessions
18:45 - Where should people start?
21:43 - Are there specific videos to start with?
23:37 - What are important topics to cover moving forward?
26:31 - More refined tools for engineers to use
27:30 - Is Network Automation/Programmability the future?
devnet Links:
NetDevOpsLive: http://bit.ly/2XsY4CQ
DevNet Site: http://bit.ly/2WRvXQI
Hank's Preston:
https://twitter.com/hfpreston
https://www.linkedin.com/in/hpreston/
David's details:
YouTube: https://www.youtube.com/davidbombal
Twitter: https://www.twitter.com/davidbombal
Instagram: https://www.instagram.com/davidbombal
LinkedIn: https:/www.linkedin.com/in/davidbombal
#CCNA #DevNet #NetDevOps


