Infosec glossary entry


Virtual eXtensible LAN

[…] is an encapsulation protocol that enables VLANs …] to be stretched across subnets and geographic distances. VLANs are typically restricted to layer 2 network areas and are not able to include members from other networks that are accessible only through a router portal. Additionally, VXLAN allows for up to 16 million virtual networks to be created, whereas traditional VLANs are limited to only 4,096. VXLAN can be used as a means to implement microsegmentation without limiting segments to local entities only. VXLAN is defined in RFC 7348.
(Chapple, 20210616)

Chapple, M., Stewart, J. M., Gibson, D. (20210616). (ISC)2 CISSP Certified Information Systems Security Professional Official Study Guide, 9th Edition. [[VitalSource Bookshelf version]]. Retrieved from vbk://9781119786245

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By jean-christoph

April 11, 2023

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