Python Multi Thread Coding is something you should consider when you have some code that needs to run multiple times. For example – doing a version check across multiple routers. You can either run the check in sequence (series), or
Hired by Amazon – a journey to the top. How I got a job at Amazon!
Last year I was able to get into Amazon Web Services. It was a long journey to get there, but worth it to now be where I’ve wanted to end up for over 10 years. Here I will discuss How
tinyURL system design with Python, Redis and DynamoDB
One of the interview rounds that is a key part of major organisations (like AWS, Microsoft and Google) is the System Design interview. This is where you do a high level design of a scalable product, and talk through the
Cisco Router – Viptela IOS-XE to Classic IOS-XE Downgrade
I recently had a customer who was shipped a Cisco 4331 that somehow booted up with the Cisco Viptela SD Wan IOS (cEdge) instead of normal IOS. I suspect when they were setting it up they chose the wrong option
AWS Certified Advanced Networking – Specialty ANS-C00
The next one on the list – back to AWS with the AWS Certified Advanced Networking certification. This is a good exam to get some real networking core understanding out of AWS services, which fit in well with my background
Cisco DevNet Associate DEVASC 200-901 – the journey to SDx
Earlier this year Cisco released their new series of certifications (and updates) as per THIS POST. It was a strong move in the right direction for the future of Network and Software Engineers, to show what we needed to becoming
Part 4 – Cisco and Juniper MPLS L3VPN Lab
In the previous post we completed the Inter-AS design with Cisco. Stage 1 – Build OSPF/ISIS Areas – COMPLETEStage 2 – Configure BGP, Create ASBRs/PEs, use RR via R7/R8 – COMPLETEStage 3 – Enable MPLS – COMPLETEStage 4 – Create
Part 3 – Cisco MPLS L3VPN Lab
In the previous post we looked at the BGP and MPLS configuration. Stage 1 – Build OSPF/ISIS Areas – COMPLETEStage 2 – Configure BGP, Create ASBRs/PEs, use RR via R7/R8 – COMPLETEStage 3 – Enable MPLS – COMPLETEStage 4 –
Part 2 – Cisco MPLS L3VPN Lab
In the previous post we looked at the IGP configuration. That’s now verified and working, so lets move on the BGP and MPLS. Stage 1 – Build OSPF/ISIS Areas – COMPLETEStage 2 – Configure BGP, Create ASBRs/PEs, use RR via
Part1 – Cisco MPLS L3VPN Lab
In this series of posts, we will look at various technologies used for Inter-AS design. To build these labs, we will use: OSPF IS-IS MPLS Layer3 VPN (VRFs) Multi-protocol BGP A few years ago I passed the CCIE Service Provider