Useful links

Single/Dual Homed and Multi-homed Designs

https://youtu.be/kOrPTy53yoY

VXLAN - Virtual Extensible LAN

VXLAN – Virtual Extensible LAN

https://youtu.be/Jqm_4TMmQz8

VLAN ID = 12 bit = 4096 VLANs

VNI - VXLAN Network Identifier - 24 bit = 16 million VXLANs

VM MAC to VTEP IP mapping table

VXLAN uses UDP DESTINATION PORT 4789

BFD - Bidirectional Forwarding Detection

http://www.mplsvpn.info/2012/04/bidirectional-forwarding-detection.html

Layer 3 routing loop

http://www.mplsvpn.info/2011/12/split-horizon-and-route-poisoning-layer.html

split horizon, hold down timers and route poisoning are the techniques which help to prevent the layer 3 routing loop

Open Stack

https://youtu.be/CqXoT1yG2WU