Christopher Hart @_ChrisJHart
Software Consulting Engineering Technical Leader at Cisco. Systems & network administration, Python, Ansible, DevOps, CI/CD, and much more! Tweets are my own chrisjhart.com Raleigh, NC Joined January 2016-
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Christopher Hart retweeted
It took us a while to deliver this (and, you guessed it, this was not entirely a technical problem). But we finally made it. Free CML tier, available w/ the 2.8 release. I am super glad and proud of the entire team for pulling this off! #ciscomodelinglabs #networksimulation 🍻
It took us a while to deliver this (and, you guessed it, this was not entirely a technical problem). But we finally made it. Free CML tier, available w/ the 2.8 release. I am super glad and proud of the entire team for pulling this off! #ciscomodelinglabs #networksimulation 🍻
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Christopher Hart retweeted
Massive News! Cisco Modeling Labs (CML) has a FREE tier! Download for free here: davidbombal.wiki/freecml #SponsoredbyCisco #ccna #ccnp #ccie #cisco #network #router #switch #firewall #study #career #Motivation @Cisco @LearningatCisco
Christopher Hart retweeted
🛠️ Wireshark Tip: Make a Button for That!🛠️ 🔍Create display filter buttons 📚Organize them under headings ✅Improve your workflow instantly Check out the step-by-step guide and start enhancing your Wireshark toolset! chappell-university.com/post/done-wire… #Wireshark #NetworkingTools
Christopher Hart retweeted
pyATS Tip: Customize SSH directly within the pyATS testbed using ssh_options. Ideal when needing to alter the algorithms used when connecting to older devices. Here is an example 👇
Great, quick article from @packetcoders on how to use Python's itertools.product() function to make nested for loops in #Python easier to read! packetcoders.io/how-to-flatten…
Christopher Hart retweeted
Sounds like Intel has realized it's in trouble. Never underestimate The Innovator's Dilemma. apenwarr.ca/log/20201227
Christopher Hart retweeted
A while back I asked you why we didn't have anycast gateways before #VXLAN I received a lot of great responses. Here's my take on it. Happy reading! lostintransit.se/2024/06/25/why…
Christopher Hart retweeted
People on reddit capturing career advice I’ve offered:
Christopher Hart retweeted
#YesterdaysCCNAQuestion The answer is Management Plane Data plane deals with traffic as it traverses the network. Control plane handles processes destined for the network device. @_ChrisJHart has a great post on it. tinyurl.com/yd8dtzs7
Here's another teaser from the upcoming course! This GIF'd slideware walks through how Gratuitous ARP (GARP) works using a practical, everyday example involving hypervisors and virtual machines. If you use VMware/Nutanix/etc. or HSRP/VRRP, you've likely seen this in action!
Work-in-progress sneak peek from an upcoming @pluralsight course I'm developing on analyzing network protocols in Wireshark! This course includes a 3-minute speedrun refresher on how Ethernet works, with this GIF'd slideware summarizing multicast communication.
Christopher Hart retweeted
Just a heads up #Ansible folks. It's not you... Ansible Galaxy seems to be down right now. Happy Friday! 🤖🔥 forum.ansible.com/t/ansible-gala…
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