In today’s era of networking, IT professionals are faced with a transformed landscape. Gone are the days when all of an organization’s devices are interconnected on a single network with a shared address space. Due to the evolved needs of today’s organizations where office premises can span multiple floors with individuals in the same department working on separate floors but needing access to the same specific resources, a segmentation of networks is needed. This segmentation should allow organizations to still share common resources while allowing department specific resources to be accessible to only individuals who belong to that department. This is where virtual local area networks (VLAN) come in.
But how do VLANs work and what are the various purposes they fulfill?
