In Cisco LAN switch environments, the native VLAN is typically untagged on 802.1Q trunk ports. This can lead to a security vulnerability in your network environment. It is a best practice to ...

The real question is do you want this device to be pushing/popping STags or just passing them along. Most ASICs shouldn't have an issue with the latter but if you need it to manipulate tags it's ...

Add Yahoo as a preferred source to see more of our stories on Google. When set up correctly, virtual LANs improve the performance of busy networks. VLANs can group client devices that communicate ...

Virtual LANs (VLANs) allow the segmentation of a physical network into multiple logical networks. VLAN trunking is the process of transporting multiple VLANs over a single network link—typically ...

The VXLAN technology introduced by Cisco and VMware this week is intended to scale VLANs to accommodate the exploding number of virtual machines in the virtualized data center. In addition to Cisco ...

I was wondering, would it be possible for a Linux server to be fed thousands of VLANs over an interface and then route IP packets over those interfaces? In other words, one NIC on the Linux server is ...