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 ...

I have a weird thing ... as usual. I have a Cisco UCS system with the normal fabric interconnect setup (2 x 6248UP connected to a chassis with 2 x 2208xp fabric extenders), running the latest 4.x ...

I am almost as confused by your post as you are about VLANs, so lets take it slow and see where we get.<BR><BR>1) 802.1Q can add 4 bytes to the ethernet packet. (tagging) Any device not expecting ...

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 ...

For the benefit of people that want to choose an ISP for UFB, and already have a router that may not support VLAN tagging, I've decided to maintain a list of the various ISP requirements.