:: Protocol details Gateway Load-Balancing Protocol: Used over Layer-2 segments to provide redundant gateway functionality for IPv4 and IPv6Cisco Proprietary: Other vendors don't/cannot use this protocolFunctions: Gateway redundancy and load-sharing*…
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…
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…
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.…
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…
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…
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…
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…
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…
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…