Nutter helps a reader protect the servers in his growing network. As our network grows in size, so does the need to protect the servers. We have already put in an interior firewall between the servers ...

Preparing for Network+ or CCNA? Understanding VLANs and subnetting is key to building efficient, secure, and scalable networks. From segmenting traffic to optimizing IP address allocation, these ...

I'm looking at the mess the previous IT team left in their wake with regards to the logical layout of the network. I've been here approaching a year and a half and it's got to the point it is driving ...

It’s easy to see why virtual LANs have become popular on networks of all sizes. Imagine having multiple separate physical networks within a single organization — without the headache of managing ...

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 ...

VLAN segmentation is more than just neat organization—it’s a cornerstone of modern network security. By isolating traffic into logical groups and enforcing access controls, you can limit threats and ...

Relative newcomer to serious home networking here, looking for a little input about what I actually need to achieve my goals. I've seen guides including other VLANs -- VPN vs clearnet, management, etc ...

Network vendors have fallen prey to vulnerabilities in Ethernet VLAN protocol implementations. While only Cisco and Juniper Networks are confirmed to have vulnerable products at this stage, a notice ...