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Private VLANs (PVLANs)

Private VLANs (PVLANs)

I recently had one of my customers asked about private VLANs and the benefits/use cases. I thought this was a good opportunity to refresh my knowledge of PVLANs because it was a weak area of mine during my last CCIE lab. What are Private VLANs? The main objective with PVLANs is conserving IP space, but still allowing L2 separation for security purposes. Typically, VLAN design calls for a single IP subnet for each VLAN. Here we are able to create multiple (secondary VLAN/s) VLANs for isolation, but…

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