Category: Education

Microsoft AZ-900 (Azure Fundamentals) My Experience

Reading Time: 3 minutes

Back (way to long ago) when I got laid off one of the first things I did was buy a couple of books and then looked online. Udemy had a sale going on so I bought a couple of courses. One of them being a course for AZ-900. One of the books was for AZ-900. I did this to learn something new during down time.

My thought process was this. My last couple jobs had dedicated teams for security, route/switch, wireless, cloud, collaboration, etc. The short story is at some point it all overlaps. Being a network engineer I often had to work with the security, wireless, and cloud teams. I’d be in meetings and hearing cloud terms and concepts and collaborating how to combine everything. So I figured it wouldn’t hurt to learn the high level concepts of Azure as it’s one of the popular cloud platforms.

I let it slide as being laid off I ended up feeling defeated and didn’t really want to do much other than apply to anything and everything I could. Well last month I got back on my horse and decided to go down the drain and study for AZ-900. I figured it would at least be nice to know the terminology and concepts at a high level. So I started down the path.

The first thing I did was start the Udemy course. The course was – https://www.udemy.com/course/az900-azure/?couponCode=ACCAGE0923 by Scott Duffy. I’m most certainly a visual learner and struggle to just read books/documentation. It wasn’t the longest course ever but had well built demonstrations and labs to follow along with your free Azure account or built in labs. I think it did a good job at giving you a high level overview of AZ-900.

As an addition to the Udemy course I had purchased the AZ-900 exam reference book: https://www.informit.com/store/exam-ref-az-900-microsoft-azure-fundamentals-9780137955145

I read the topics I watched during the Udemy course as a backup/enforcer to the content I was seeing. Overall I think the book was a great help to my studies and covers the topics well. Again not being the best at reading I leveraged the book in evenings/at night as opposed to watching terrible cable television.

After I finished the course and reading I turned to Microsoft’s free training website. https://learn.microsoft.com/en-us/training/courses/az-900t00 It gave a great refresh overview of the topics on the exam. I’m quite impressed with the coverage of topics and content of a free training course offered by a provider. The practice tests were a decent exam of the topics and I think helped out immensely. I certainly recommend checking out Microsoft Learn for content you want to brush up on or just get a concept of.

On to the exam itself. I won’t talk about the Pearson virtual exam experience because that’s it’s own topic. I booked the exam through the Microsoft website and was lucky enough to book the exam the same day for an evening session. This was just after I finished the MS Learn training so everything was still fresh. Lucky me!

Overall I found the exam to be quite fair. I can’t talk details naturally but I feel it did a good job of covering the exam objectives without throwing in alternative topics that you didn’t study for. The questions were to the tee and concise and not written to pull the wool over your eyes.

Coming from an install career of route/switch networks I think AZ-900 is a great exam to study for to get your feet wet in the Azure cloud and obtain a high level understanding of it’s concepts and offerings. Naturally as it’s called Azure Fundamentals it doesn’t go deep into topics but is a great starting place. It was surely worth the time and effort to get that terminology and concepts down for someone that doesn’t play around in the cloud.

Overall I recommend anyone in the I.T. community study for and take this exam to get a bearing. Cloud is certainly relevant today and whether you are security, route/switch, or server dedicated it is a great intro to the environment.

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Low/No budget studying

Reading Time: 3 minutes

Being unemployed I’ve found it very difficult to study or stay up to date on things so I wanted to share some of my tips and tricks to keeping up when you don’t have the funds to buy training course subscriptions and books or gear.

The first thing I can say is look at youtube. There are a lot of great content creators out there that produce a lot of great content that you can watch for free. While I understand it’s not the same as getting your feet wet playing with the technology it’s a great way to watch someone go through the ropes and walk you through the process. Some great examples are:

Wendell Odoms Network Upskill channel – https://www.youtube.com/@NetworkUpskill
David Bombals channel – https://www.youtube.com/channel/UCP7WmQ_U4GB3K51Od9QvM0w
Network Chucks channel – https://www.youtube.com/networkchuck
Rob Rikers channel – https://www.youtube.com/channel/UCmw_fV_tm1Rd2s5SrrrT2sQ
Nick Russo’s channel – https://www.youtube.com/@NicholasRusso
Du-An Lightfoot’s channel – https://www.youtube.com/@LabEveryday
The Art of Network Engineer channel – https://www.youtube.com/@artofneteng

Most of these creators all have websites and great social media (twitter(x), twitch, instagram, etc) as well so I recommend you most certainly google them.

Speaking of things like twitter(x) certainly look at them for hashtags or @’s of the conference on things you are looking at. Especially when a conference is going on a lot of hashtags are used while people share insights and opinions or updates. #ciscolive #ciscochampion @ciscolive @defcon are great examples.

Now onto websites. There are a lot of great blogs/websites out there to glean content off of and learn things. A lot of industry people and companies blog and write content to help educate people either on a technology or their own product. Do some google searches and see what you find. Some great examples are:

Daniels Networking Blog – https://lostintransit.se/
Nick Russo’s Job Aids page – https://njrusmc.net/jobaid/jobaid.html
PacketLife.net – https://packetlife.net/ (great set of cheat sheets)
Wendell Odom’s Certskills website – https://www.certskills.com

A lot of times there are some great broadcasts that go on. For example during CiscoLive they often stream keynotes. There are also some great companies like Tech Field Day that put together a panel of delegates to watch presentations and demo’s from industry leaders in technology and ask the deep important questions about a product. Most certainly check them out.

Tech Field Day – https://techfieldday.com/
CiscoLive – https://www.ciscolive.com/

If you have a decent commute I also recommend looking into PodCasts. Many of the Youtubers and bloggers also do podcasts which are a great alternative to listen to while driving then the same songs you’ve been hearing on the radio for years. Do some digging and see what you can find.

A great example of podcasts is the PacketPushers podcasts. They also have a website that has a lot of great content – https://packetpushers.net/

You may not have much to spend on big subscriptions to training courses and books but can an eye out on companies like Pluralsight and Udemy. They often have sales going on where you can pick a course up for 10$ or similar that can help you at least learn at a high level the idea of the technology

Also keep an eye on the manufactures/product companies websites as well as partner/VARs. Often they have community pages and marketing videos/slideshows that can help you grasp a concept. While it may only be high level it can be good insight on where the market is heading. Many also do webinars you can join to see whats new and maybe a demo. Some good examples:

Cisco Learning Network (blogs/podcasts/discussions) – https://learningnetwork.cisco.com/s/
Cisco U (learning resources free and paid) – https://learningnetwork.cisco.com/s/foryou/catalog
HPE Aruba (blogs/whitepapers) – https://www.arubanetworks.com/
Junipers Customers tab (documentation/community) – https://www.juniper.net/us/en.html

There are also some great discord channels that regularly hold study groups and just chatting sessions. These are great arenas to listen and learn, ask questions, get responses, and learn something new. Look out for those on all the social media profiles.

These are all just examples of things you can do. It is by no means an inclusive list and there are 100’s of people I’d love to shout out. No, it’s not the same as reading an official cert guide or getting your hands on gear/vms to lab things and get your hands dirty and your mind racing but it’s a step.

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What a trip!

Reading Time: 7 minutes

So I chose to tweet if I should write a post about how I got to where I am. I got a bit of feed back to do it so here it goes.

It all started growing up as a kid. My dad spent his entire career at the telco. He started out climbing poles and getting stung by yellow jacket nests hidden in transformers while he was roped in and spiked in so he had to climb down slowly while being attacked. After his hard work on the lines he ended up working in the CO’s as a senior guy. He used to take me fishing but if we were ever near one of the CO’s he would stop and fix something he knew needed fixing. The way he would entertain me when he was working on it was an empty block, a cable tool, and some leftover cable. I’d sit there and terminate cable for fun. There is a good chance I still remember the floor tile on the raised floor they hid a case of soda in to keep it cool.

In fact, I still remember two of my favorite toys were promotional aluminum toy GTE trucks that were coin banks. I still have one of his original GTE buttsets he gave me when I started my network career. He went to school for electrical engineering and is an active HAMM radio operator.

Anyways from there I went to elementary school, Junior High, and eventually High School. The first two were mostly filled with sports, broken bones, and stitches. (I’m really good at ER visits now days). The biggest thing about those early days was my early access to computers and the internet. Since dad worked at the telco we were early adopters in my town of computers and the good ol’ dial up internet. Who remembers callwave internet answering machine?

Come to High School and I found music. Technically the music started in 6th grade where we had to try out for instruments. I really wanted to play trumpet but I sucked at it and they handed me drum sticks so in Junior High I ended up in percussion. When I got to High School I got introduced through friends to a lot of punk rock, asked my band director to let me take the drum set home during summer, pissed my neighbors off, and taught myself how to play drum set. Thanks Mr. Bishop for letting me steal the High Schools jazz drum set to teach my self how to play rock music.

At this point I was a High School percussionist in the symphony band and the marching band. I decided to join a punk band which was overall an adventure. In the end I ended up traveling around a 3 state area playing concerts with the band, recording a CD in a lake side cottage, and started getting tattooed. Played in front of record executives at the Hard Rock Cafe in Cleveland Ohio. Of course I was also a skateboarder so spent a lot of time thrashing the town. All of which my parents were great fans of (Sarcasm).

During that time I did all the odd jobs to make money to travel around with the band and afford gear. I worked as a stock boy at a convenience store gas station the town over. I worked as a roofer under the table where the rule was “3 feet before you hit the ground if you fall off you are fired”. Liability you know since I wasn’t on pay roll. Worked as a logger for an old High School teacher during the summer. Worked 3rd shift one summer through a temporary services company at a business that made peg board (yes that stuff to hang your tools on in your garage) for a summer. Then a Jimmy Johns opened up in town. I worked a while making sandwiches and delivering sandwiches and got tired of it.

The band ultimately broke up. Guitarist moved to the Detroit area and my bassist moved to Texas. So I broke down and applied at Staples and my local community college. I ultimately got the job at Staples and got into college. I went into a program that was labeled as “Network Administration”. It was more or less a glorified program that should have been called “Help Desk Associate”. Classes started with basic computer work following the CompTIA A+ and Network+ blueprints. I picked it because I was around computers and networks growing up. It just felt natural. Ultimately I ended up working myself up to an Easy Tech at Staples after passing those two exams and gaining those certifications. I finally achieved my Associated Degree and got engaged to my fiance. That’s when I quit college and decided not to chase a 4 year degree. Instead I kept working and she graduated and wanted to go to a college 5 hours away from our home town.

We went to visit the college and ultimately decided to look for an apartment instead of living so far away from each other and her paying for a dorm. I eventually told my parents what I was going to do and they accepted my fate of quitting chasing a 4 year degree, getting engaged, and moving. I somehow got a transfer to a Staples 30 minutes away from what would ultimately be our first apartment.

That’s the year I started chasing further learning. I was working odd hours at Staples and my fiance was working hard at college. I somehow managed to pay for two people to live off a retail store income and her to go to college. Proud of myself for fighting through that. While she was studying, I was studying and ultimately got a few more certifications.

Fast forward I got tired of the 30 minute drive as it was getting costly paying for two people to live and only me working so I started applying to everything I could find in the area we lived. Then I got a call from two guys that were starting a call center for computers in their basement. I took the shot and accepted their “interview”. They asked to meet at a Starbucks so I said sure and we scheduled a time. What a risk that was. I met them there and they were in full blown suits (pants, dress shirts, ties, suit coats) and SANDALS……..

Either way they offered me a spot and after some thinking I decided to take it hesitantly but sometimes you have to take a chance. Luckily before I started a healthcare company in the area called me about a help desk position that actually offered benefits, a steady job in an office, and had facilities all over the county. So I turned the guys call center down and joined the healthcare company.

I worked help desk for a few years and they promoted the one network engineer to an I.T. Manager. Slowly he quit doing network tasks so I asked if they would send me to a CCENT training course. They eventually said yes and that turned into an awfully awkward situation. The course was in person and an hours drive away for 5 days in a row. As I didn’t really have much disposable income I needed to stay up in the city an hour away. My then wife somehow set up for me to stay on her friends couch up there who was an ex girlfriend of mine. That was super awkward but I pushed through.

After the training I bought the book (Still have it. Thanks Wendell!) and starting studying to take the exam. Eventually I passed CCENT and starting taking over network tasks. Then I started taking over Server, VMWare, and Cisco Voice tasks. So ultimately I got studying and certified in all of those because I didn’t know what my next move would be. There were more certs involved but no one wants to read what is already a long post and read about every exam I took and when I took it. (If interested you can see everything I achieved here.

After all the time I spent the healthcare company got bought by a 3 county hospital system will 2 hospitals and dozens of specialty clinics. They transferred my role to a “Network Engineer II” role where I shared an office with the level III voice technician. I ended up building clinics networks, rolling out an entire layer 2 refresh, migrated from P2P VPN’s to DMVPN, and built a backup data centers network. Shhhh….. There was a bit of voice in there with some UCCX scripting and an analog line to VG224 migration (42? VG224s) and a telehealth setup to call manager complete with video.

Eventually I got bored of all the VLAN changes and chasing down of MAC addresses and a friend of mine put my resume into a VAR. They ultimately called me and I did the awkward thing of doing a technical interview in my car during lunch. I got the job and started the fun.

At that VAR I built networks for the states board of water and light, built an entire new high schools network from the ground up (I’m talking them pouring the foundation and once the building was done I build the IDFs), refreshes for Universities and water sanitation plants, fixed the department of transportation multicast issue’s for their highway camera system, migrated a dental insurance companies DMVPN to Viptela SD-WAN and many more projects. Got sent to a Viptela training in Atlanta, did SD-WAN training through Silverpeaks partner program. Then ultimately got let go because of a lack of new projects coming in.

Back to the drawing board. I did some searching and fairly quickly got into another VAR who ultimately let me go fairly quickly for the same reason. Lack of new projects. I’ve been unemployed ever since (over a year and a half now) but luckily because all of my hard work I was able to save enough to survive that long. It was quite the adventure being laid off that long. The stress got to me and I ended up spending a week in a mental health facility for hallucinations and having two seizures.

While being laid off I didn’t stop. I used cash back from my credit card to buy some books and Udemy courses and have continued to study and read. I’ve been able to mostly keep up on things thanks to all my friends on twitter (somehow during all this adventure I grew to over 2k followers) and all my great friends in the Cisco Champions group (Member since 2017).

The TL;DR……don’t give up and keep on pushing. I kept pushing and went from odd jobs to getting to meet awesome people, do cool projects, and keep on trucking.

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Quick Take: Continued Learning

Reading Time: < 1 minutes

Being in my current situation I am jobless. In fact I’ve been jobless for the longest I’ve ever been and the lack of interest in my job site profiles is really starting to bother me to the point that it’s just racing thoughts all around my brain about all sorts of different focal points.

One of these focal points is continued learning. You see, a large reason I left to go to a VAR was to be forced to stay on the forefront of new topics and technologies of interest in the I.T. field. Now that I am in a situation where I’ll be strong handed into any job I have to try and convince myself to not rationalize this fear I have.

That fear is getting stuck in an enterprise role where nothing moves fast and you get stuck in legacy technologies without the ability to move forward. However, I know this isn’t true as I have quite a few friends in enterprise roles that can school me on many new technologies. The truth is I can keep up in my free time with tools such as books, lab environments, video courses, etc. Which would then put me in a position to advise and help drive the enterprise role towards modern technology and idea’s and still progress myself as well.

That’s it, that’s my quick take.

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Cisco SD-WAN ISR 4k Getting Started – Part 2 – Bootstrap Process

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The Bootstrap Process

In the Part 1 of this series we covered the first step to converting and ISR from IOS-XE onto the Cisco SD-WAN platform. We will continue from there with my story of frustrations and the discovered caveats and need to knows. Starting first with bootstrapping the ISR.

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Remote Troubleshooting Crossed Fiber Using Port Channels

Reading Time: 5 minutesLast year I was involved in assisting a datacenter core and access-layer refresh. In this case the IDF’s were reusing existing fiber patches and the run to the datacenter stayed in place. however, within the datacenter core equipment was placed across the room required new cross connects to be ran to the new core cabinet. When the cutovers began to take place the IDF’s were spread out over a large campus. Meaning troubleshooting by walking back and forth to check cabling was extremely time consuming and inefficient. Since all the IDF’s were connected via port channels I was able to figure out which runs were crossed and go fix them all at once using only the ether channel show output. I’ll walk you through the process now.

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ATA 190 Recovery Firmware Page – ATA 190 Will Not Register

Reading Time: 3 minutesAs it turns out, albeit I don’t do voice as my career focus, I decided to help out a team member and took ownership of an issue that came up. It was a phone that wasn’t working, one that was attached to an ATA 190. After I tracked down the device I typed it’s IP address into my web browser and found it in a Recovery Firmware state. What us traditional Cisco route/switch guys would consider “ROMMON” as a loose equivalent. In this case it is important to note, since the device wasn’t function on proper firmware and was in recovery mode, the IP address of the ATA is actually in the Data VLAN at this point, NOT the Voice VLAN.

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Python + XLRD SecureCRT Import

Reading Time: 8 minutesFirst of all a disclaimer. I am NOT a programer. I promise this could probably be cleaned up considerably by someone that actually does programming. Also, It may require some tweaking to work on your system. This is tested on Mac 10.12.3 and SecureCRT 8.1*

I’ve always loved using SecureCRT. I often find myself needing to add anywhere from a small to a large number of sessions to my list. Especially in my current role. I had remembered in my past at an old roll where I used Windows as my primary OS (work issued) that I had discovered a forum that had a python and VBS script to import sessions out of a CSV. Now that I am running on Apple I sought out that old forum and grabbed the python script. Drats!!! The python script doesn’t work on my new version of SecureCRT for Mac (8.1). Then I started thinking. Most of the time clients give me a nice spreadsheet of IP addresses. This got me thinking, why not write my own that uses Excel. So here it is!

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Cisco Champions 2017 – A reason to reflect

Reading Time: 4 minutes

tl;dr – THANK YOU ALL!

Yesterday morning I opened up my Spark app and was surprised to see I was added to the Cisco Champions room. I checked my e-mail and saw nothing. I knew it was being announced soon do to some twitter chatter. After validating with members it was true. I was selected as a 2017 member of Cisco Champions. I’m going to say I’m blown away even still today. I am absolutely honored to be part of such an amazing group of individuals. It has caused me to sit back and think about how I even came to know the people I look up to. So how did it start?

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Config-ease with Sublime Text Snippets

Reading Time: 3 minutesI love when tools make my life easier. A conversation came up online the other night and I had shown someone a quick summary of the awesome power of Sublime Text. They wanted to know how I made the magic happen in that video. I felt I should and share it with everyone via a blog post. Here’s a quick video of my uses along with a description of what you can do with it, as well as how to make it work.

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