SD-WAN :: WAN Edge sides
During my labbing adventures for SD-WAN I thought creating a SD-WAN network is simple. It actually is when you just replicate Internet and MPLS network by one box and use…
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 special treatment. Working your way through it and deploying more config than needed could result in controllers not being added to vManage…