David Bombal

David Bombal
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Oct 2, 2019 • 12min

#91: Linux scripts on Cisco IOS?

Did you know you could use these Linux Shell scripts directly on Cisco IOS! No need to use Python or use a Linux VM. Just run these directly on Cisco IOS! You can be a 10x Engineer! Amaze others with your knowledge of the Cisco IOS. You don't need python for these scripts. Rock that job interview and show senior network engineers what you can do. Keep on learning and change your life. Get that good paying job by showing your skills. ================================= Documentation: ================================= Cisco IOS Shell Configuration Guide: http://bit.ly/2kwMyYN ================================ Books: ================================= Cisco Press Book: https://amzn.to/2LpaU1a Good O'Reilly Book: https://amzn.to/2Lpbw6Z ================================= Free TFTP Server: ================================= Free SolarWinds TFTP Server: http://bit.ly/2mbtD6j You don't need a linux shell or linux virtual machine to use these commands. You can use them directly in classic Cisco IOS! ================================= Script 1: ================================= for xx in `interface Ethernet`; do echo $xx; done ================================= Script 2: ================================= for xx in `interface Ethernet`; do echo $xx `show int $xx | inc input errors` ; done ================================= Script 3: ================================= function shrun(){ n=-1 while true; do let n++ if [[ $n -le 3 ]]; then show run int g0/$n echo $n else break; fi done } 10x Engineer CCNA Cisco Devnet Associate CCNP Enterprise CCNP Security CCNP Data Center CCNP Service Provider CCNP Collaboration Cisco Certified Devnet Professional Cisco Certified Network Professional LPIC 1 LPIC 2 Linux Professional Institute LX0-103 LX0-104 XK0-004 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 Facebook: https://www.facebook.com/davidbombal.co Website: http://www.davidbombal.com #linux #cisco #DevNet
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Sep 25, 2019 • 20min

#90: How well do you know Cisco IOS?

Do you know these time saving Cisco IOS commands? Did you know this was possible traditional Cisco IOS? Use /, +, -, grep, include, section, exclude and lots more directly on Cisco IOS. Be a 10x engineer and show the world your Cisco and Linux skills. ================================= Menu: ================================= Documentation Reference: 0:27 Network Topology: 0:59 Cool IOS commands: / + - : 1:35 Linux options on Cisco IOS: 10:17 Personalized sections using grep: 12:30 ================================= More information here: ================================= Cisco IOS Fundamentals: http://bit.ly/2mTmnfL Linux Shell: http://bit.ly/2kwMyYN ================================= Books: ================================= Cisco Press Book: https://amzn.to/2LpaU1a Good O'Reilly Book: https://amzn.to/2Lpbw6Z You don't need a linux shell or linux virtual machine to use these commands. You can use them directly in classic Cisco IOS! 10x Engineer Cisco Devnet Associate CCNP Enterprise CCNP Security CCNP Data Center CCNP Service Provider CCNP Collaboration Cisco Certified Devnet Professional Cisco Certified Network Professional DevNet LPIC 1 LPIC 2 Linux Professional Institute LX0-103 LX0-104 XK0-004 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 Facebook: https://www.facebook.com/davidbombal.co Website: http://www.davidbombal.com #linux #ccna #DevNet
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Sep 23, 2019 • 10min

#89: What's your focus? What are you doing?

Giveaway in memory of my Father. What are you doing with your life? Are you working towards your goals? Or are you wasting your time? What are you goals? Have you written them down? Be effective. Don't be busy. Free Wireshark link (first 40 people): See video Free Wireshark random giveaway: http://bit.ly/2mkaMpA Books: The 7 Habits of Highly Effective People: Powerful Lessons in Personal Change: https://amzn.to/34WseCt Living Forward: A Proven Plan to Stop Drifting and Get the Life You Want: https://amzn.to/2NqObE5 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 Facebook: https://www.facebook.com/davidbombal.co Website: http://www.davidbombal.com #ccna #wireshark #motivation
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Sep 19, 2019 • 26min

#88: DHCP Explained - Step by Step Server Configuration

What is DHCP? How does it actually work? This video shows you practical examples of DHCP in real time and includes Wireshark captures showing you actual DHCP messages. Menu: Introduction and basic terms: 00:014 iPhone DHCP Client explanation: 03:46 Lab and DHCP server configuration: 07:54 Cool Wireshark Flow Graph: 15:15 Wireshark deep dive: 17:23 Cisco router output: 22:25 Linux client and Wireshark coolness: 23:07 This video also discusses the difference between static and dynamic IP addresses. DHCP messages: DHCPDiscover - Sent by client. Discover / find DHCP servers on the network. DHCPOffer - Sent by server. Offering an IP address and other parameters for the client to use. DHCPRequest - Sent by client. The client requests the address that was offered by the server. DHCPACK - Sent by Server to acknowledge client. Contains information like IP address, lease time, default-gateway and other information. 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 Facebook: https://www.facebook.com/davidbombal.co Website: http://www.davidbombal.com #dhcp #dhcpserver #dhcpexplained
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Sep 19, 2019 • 7min

#87: Massive CCNA Giveaway! Be quick!

Want to win one of over $3,000 worth of prizes? Boson, CCNA, Python and Wireshark prizes available. Individual prizes vary from about $19 to $369 each. ================================= Boson Giveaway: ================================= Enter here: http://bit.ly/2knqWy4 Didn't the Boson giveaway? You can buy it here: http://bit.ly/bosondavidbombal Boson ExSim-Max Practice Exams: http://bit.ly/BosonExSim Boson home page: http://bit.ly/2LX27oL Boson NetSim: http://bit.ly/BosonNetSim ================================= Wireshark Giveaway: ================================= First 25 free: http://bit.ly/2kggQ1K Or, get the course for $10 here: http://bit.ly/2IXZnn8 ================================= Python Giveaway: ================================= First 25 free: http://bit.ly/2lWg5eB Or, get the course for $10 here: http://bit.ly/2Wwb0aD ================================= David Bombal Subscription Giveaway: ================================= Enter here: http://bit.ly/2mdXECo Or join immediately here: http://bit.ly/2kyjAb7 ================================ Free TFTP Server: ================================= Free SolarWinds TFTP Server: http://bit.ly/2mbtD6j 10x Engineer CCNA DevNet Cisco Devnet Associate Wireshark CCNP Enterprise CCNP Security CCNP Data Center CCNP Service Provider CCNP Collaboration Cisco Certified Devnet Professional Cisco Certified Network Professional Python Network Automation Network Programmability LPIC 1 LPIC 2 Linux Professional Institute LX0-103 LX0-104 XK0-004 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 Facebook: https://www.facebook.com/davidbombal.co Website: http://www.davidbombal.com #ccna #python #wireshark
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Sep 17, 2019 • 17min

#86: Network Automation: Schedule Cisco config backups with kron and archive

Network Automation isn't difficult. With just a few CLI commands you can automate the backup of your Cisco networks. Use Kron and archive to back up configs to TFTP, FTP or SCP servers. Don't try to do everything manually. Automate it! Just like cron in Linux, you can use kron on Cisco IOS to schedule things. Schedule backups, schedule TCL scripts and much more. Amaze others with your knowledge of the Cisco IOS. You don't need python for these scripts. Rock that job interview and show senior network engineers what you can do. Keep on learning and change your life. Get that good paying job by showing your skills. Menu: 1) Intro: 0:01 2) IOS requirements: 2:02 3) Lab Setup: 2:42 4) Kron config: 4:24 5) Archive config: 9:01 In later videos I'll show you how to use Python scripts and other cool options on Cisco IOS devices. ================================ Free TFTP Server: ================================= Free SolarWinds TFTP Server: http://bit.ly/2mbtD6j ================================= Documentation: ================================= Kron: http://bit.ly/2kkgIhU Archive: http://bit.ly/2kI8BMb http://bit.ly/2mgQa1L ================================= Books: ================================= Cisco Press Book: https://amzn.to/2LpaU1a Good O'Reilly Book: https://amzn.to/2Lpbw6Z ================================= Kron Script: ================================= kron policy-list backupconfig cli show running-config | redirect tftp://10.1.3.4/r1-shrun.cfg kron occurrence backupminute in 1 recurring policy-list backupconfig kron occurrence backupweekly at 23:00 Sun recurring policy-list backupconfig debug kron all show kron schedule ================================= Archive Script: ================================= archive log config logging enable hidekeys path tftp://10.1.3.4/$h- wr time-peiod 10080 ! sh archive ================================= 10x Engineer CCNA DevNet Cisco Devnet Associate CCNP Enterprise CCNP Security CCNP Data Center CCNP Service Provider CCNP Collaboration Cisco Certified Devnet Professional Cisco Certified Network Professional Python Network Automation Network Programmability LPIC 1 LPIC 2 Linux Professional Institute LX0-103 LX0-104 XK0-004 How did you find this video? Did you enjoy learning about kron and the archive of your configs? scripts? All the best! David Bombal 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 Facebook: https://www.facebook.com/davidbombal.co Website: http://www.davidbombal.com #ccna #devnet #python
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Sep 17, 2019 • 19min

#85: 10x Engineer: Linux, TCL and EEM scripts directly on Cisco IOS!

Learn TCL, Embedded Event Manager and Linux Shell scripts on Cisco IOS! No need to use Python or use a Linux VM. Just run these directly on Cisco IOS! You can be a 10x Engineer! Amaze others with your knowledge of the Cisco IOS. You don't need python for these scripts. Rock that job interview and show senior network engineers what you can do. Keep on learning and change your life. Get that good paying job by showing your skills. Menu: 1) TCL Scripts: 2:00 2) Embedded Event Manager Scripts: 7:45 3) Linux Scripts: 14:05 In later videos I'll show you how to use Python scripts and other cool options on Cisco IOS devices. ================================ Free TFTP Server: ================================= Free SolarWinds TFTP Server: http://bit.ly/2mbtD6j ================================= Documentation: ================================= TCL: http://bit.ly/2mbkRoT EEM: http://bit.ly/2lQZWHl Shell: http://bit.ly/2kwMyYN ================================= Books: ================================= Cisco Press Book: https://amzn.to/2LpaU1a Good O'Reilly Book: https://amzn.to/2Lpbw6Z ================================= TCL Script: ================================= tclsh foreach ipaddr { 10.1.1.1 10.1.1.2 10.1.1.3 10.1.1.4 10.1.1.1 10.1.1.2 10.1.1.3 } { ping $ipaddr} tclsh ping.tcl ================================= EEM Script: ================================= event manager applet GIG0_DOWN event syslog pattern "Interface GigabitEthernet0/0, changed state to administratively down" period 1 action 1.0 cli command "enable" action 2.0 cli command "config terminal" action 3.0 cli command "interface g0/0" action 4.0 cli command "shutdown" action 5.0 cli command "no shutdown" action 6.0 syslog msg "What's going on? GIG 0/0 went down!" ! end debug event manager action cli ================================= Linux Shell Script: ================================= for x in 1 2 3 do ping 10.1.1.$x done function testping(){ ping 10.1.1.1 ping 10.1.1.2 ping 10.1.1.3 ping 10.1.1.4 } function testecho(){ echo 10.1.1.1 echo 10.1.1.2 echo 10.1.1.3 echo 10.1.1.4 } 10x Engineer CCNA Cisco Devnet Associate CCNP Enterprise CCNP Security CCNP Data Center CCNP Service Provider CCNP Collaboration Cisco Certified Devnet Professional Cisco Certified Network Professional LPIC 1 LPIC 2 Linux Professional Institute LX0-103 LX0-104 XK0-004 How did you find this video? Did you enjoy learning about tcl, eem and linux scripts? All the best! David Bombal 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 Facebook: https://www.facebook.com/davidbombal.co Website: http://www.davidbombal.com #linux #ccna #devnet
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Sep 10, 2019 • 16min

#84: 10x Engineer: Linux commands on Cisco IOS? Wow!

You can run amazing Linux commands such as grep, line numbers, scripts and more on Cisco IOS! And without a Linux shell! Just run these directly on Classic Cisco IOS switches and routers! Use grep, man, head, tail, cat and many other Linux commands directly on Cisco IOS. Menu: 1) IOS version required: 2:09 2) IOS XE vs Classic IOS: 2:42 3) Terminal vs config mode: 5:00 4) grep -i (ignore case): 7:39 5) line numbers on any command: 9:28 6) Sorting the output: 12:41 Previous Video in series: https://youtu.be/31XuFB50oe8 Cisco IOS Shell Configuration Guide: http://bit.ly/2kwMyYN IOS vs IOS XE (via cows): http://bit.ly/2kcAWKq IOS XE: https://en.wikipedia.org/wiki/Cisco_IOS_XE You don't need a linux shell or linux virtual machine to use these commands. You can use them directly in classic Cisco IOS! 10x Engineer CCNA Cisco Devnet Associate CCNP Enterprise CCNP Security CCNP Data Center CCNP Service Provider CCNP Collaboration Cisco Certified Devnet Professional Cisco Certified Network Professional LPIC 1 LPIC 2 Linux Professional Institute LX0-103 LX0-104 XK0-004 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 Facebook: https://www.facebook.com/davidbombal.co Website: http://www.davidbombal.com #linux #cisco #DevNet
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Sep 10, 2019 • 8min

#83: I'm Sorry.... Boson CCNA Giveaway

I'm sorry Boson. I went overboard with this CCNA giveaway! Please forgive me. Subscribe and click the bell to get notifications so you can win prizes. Change your life by becoming certified. Winners: Joseph O'Neill - USA Fai Yew - Singapore HANNINGTON OKOTH - Kenya Nedal - Saudi Arabia Abdikadir Mohamed - India Free Python Course: http://bit.ly/2ko1WH2 Get Boson stuff: David Bombal Kit: http://bit.ly/bosondavidbombal Boson ExSim-Max Practice Exams: http://bit.ly/BosonExSim Boson home page: http://bit.ly/2LX27oL Boson NetSim: http://bit.ly/BosonNetSim Send messages to Boson: Boson Twitter: https://twitter.com/BosonSoftware Boson LinkedIn: https://www.linkedin.com/company/boson/ Boson Facebook: https://www.facebook.com/bosonsoftware/ Inspiration: Katherine's story: https://youtu.be/hCRjDwuuQOA 10x Engineer Cisco Devnet Associate CCNP Enterprise CCNP Security CCNP Data Center CCNP Service Provider CCNP Collaboration Cisco Certified Devnet Professional Cisco Certified Network Professional LPIC 1 LPIC 2 Linux Professional Institute LX0-103 LX0-104 XK0-004 Giveaway 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 Facebook: https://www.facebook.com/davidbombal.co Website: http://www.davidbombal.com #ccna #WeLoveBoson #cisco
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Sep 10, 2019 • 16min

#82: 10x Engineer: What? You can do this on Cisco IOS?

Wow! You can run these amazing Linux commands on Cisco IOS? And without a Linux shell? Just run these directly on Classic Cisco IOS switches and routers! Use grep, man, head, tail, cat and many other Linux commands directly on Cisco IOS. More information here: http://bit.ly/2k3YFMG You don't need a linux shell or linux virtual machine to use these commands. You can use them directly in classic Cisco IOS! 10x Engineer Cisco Devnet Associate CCNP Enterprise CCNP Security CCNP Data Center CCNP Service Provider CCNP Collaboration Cisco Certified Devnet Professional Cisco Certified Network Professional LPIC 1 LPIC 2 Linux Professional Institute LX0-103 LX0-104 XK0-004 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 Facebook: https://www.facebook.com/davidbombal.co Website: http://www.davidbombal.com #linux #cisco #DevNet

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