The Answer is 101010 - Page 2 of 3 - Days in the life of a Network Enthusiast

SD-WAN :: Platinum Library

Post Author:Jordi Schlooz
Post published:July 6, 2020
Post Category:General
Post Comments:0 Comments

For the past few months I've been studying the SD-WAN course provided by Cisco. As a partner you can have access to a lot of course material at this moment.…

Community Engagement :: Next level

Post Author:Jordi Schlooz
Post published:July 4, 2020
Post Category:General
Post Comments:0 Comments

It is time to interact with the Networking community on a different level. I've been using twitter for many years now and used it for many personal interests like F1…

Spelunking the caves :: Cisco ASA REST API

Post Author:Jordi Schlooz
Post published:July 1, 2020
Post Category:DevOps
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For one of my projects we need to extract realtime data from Cisco ASA firewalls. Cisco already provides a REST agent for ASA Firewalls since 2014-ish. The REST agent provided…

Getting distracted by MPLS L3 VPN’s

Post Author:Jordi Schlooz
Post published:June 20, 2020
Post Category:Service Provider
Post Comments:0 Comments

It started of with my SD-WAN lab. After hours of studying and eventually adding a few vEdges to finalize the Control Plane bringup, I was ready for templating, creating different…

Network Fundamentals :: Etherchannels

Post Author:Jordi Schlooz
Post published:April 19, 2020
Post Category:Flashcards / Routing & Switching
Post Comments:0 Comments

EtherChannels AKA LAG, Port-channels, NIC teaming, etc Main goal is to improve bandwidth and forwarding capabilities.LAG hides each member from an upper layer protocol, in this case STP. Where STP…

Network Fundamentals :: TTL

Post Author:Jordi Schlooz
Post published:April 18, 2020
Post Category:Flashcards / Routing & Switching
Post Comments:0 Comments

TTL (or Time To Live) is a Layer-3 loop prevention mechanism. Every time a packet passes a Layer-3 hop, the TTL decrements with 1. Packets with a TTL of 0…

Network Fundamentals :: The 802.1Q Packet

Post Author:Jordi Schlooz
Post published:April 18, 2020
Post Category:Flashcards / Routing & Switching
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IEEE 802.1Q An additional of 32 bits are added to packet header consisting of: Tag protocol identifier (TPID): 16 bitsBelow are part of the TCI structure and is divided in…

SD-WAN :: Deploying the controllers

Post Author:Jordi Schlooz
Post published:March 21, 2020
Post Category:Routing & Switching
Post Comments:4 Comments

I've noticed that deploying SD-WAN controllers come with a special threatment. When working your way through it and deploying more config than needed could result in controllers not being added…

Nothing beats an “analog” book!

Post Author:Jordi Schlooz
Post published:March 16, 2020
Post Category:General
Post Comments:2 Comments

It finally arrived! After studying for a while with an ePub version of this book, it started to annoy me. The LED light propagated on my face all the time…

Catalyst 6880-X :: oversubscription versus performance mode

Post Author:Jordi Schlooz
Post published:January 26, 2020
Post Category:Routing & Switching
Post Comments:0 Comments

The catalyst 6880-X has been here for a while now and has already been announced for End-of-Life in October 2019. Last day of support will be Oct 2025. Before that…