VCF

https://datareload.com/building-a-vcf-lab-with-pfsense-part-1/

https://datareload.com/building-a-vcf-lab-with-pfsense-part-2/

https://polarclouds.co.uk/nsx-t-overlay-lab-pt1/

https://polarclouds.co.uk/opnsense-bgp-bfd-config/