SD-WAN :: Adding vEdge Cloud
Before we jump in adding vEdges to controllers it's good to know how many roads lead to Rome. The Cisco SD-WAN solution has two types of software platforms: vEdge (Viptela…
SD-WAN :: Platinum Library
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
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
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
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
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
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
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
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!
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…