To begin, we must have a more formal definition of what a LAN is. LAN stands for local area network. Hubs and switches usually are thought of as participating in a single LAN. Normally, if you connect ...

It's no surprise that Linux makes a great router and firewall. A lesser-known fact is that you also can use Linux as an Ethernet bridge and VLAN switch, and that these features are similarly powerful, ...

VLANs break a physical LAN into several logical broadcast domains. Each LAN station hears traffic sent by its own VLAN but receives nothing from stations in other VLANs -- not even from those ...

Imagine this: your smart home devices, guest Wi-Fi, and workstations all coexist on the same network. A single compromised IoT device could expose sensitive data or disrupt your entire system. It’s a ...

Setting up virtual local area networks or VLANs in your home network or home lab makes management of your network easier. You can use one as a guest network to share your internet connection with ...

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'm configuring a Juniper switch with multiple VLANs and putting an IRB interface in each VLAN. A member server (on a downstream switch) in one VLAN can ping all the IRB interfaces and within its own ...