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 ...

In "Fat-Finger Hero," I mentioned how recovering from a bad configuration can be an admin's saving grace. I mentioned how one of the more common areas to get stuck is host networking, and I mentioned ...

How in the blazing f*£& do I change the static IP address of a Cisco SG350-10 without using a console cable? I've updated it to the latest firmware, 2.5.0.92, and reset to factory defaults after the ...

Sample Design and Configuration for Layer 2 Out-of-Band Deployment Sample Design and Configuration for Layer 3 Out-of-Band Deployment This chapter covers the configuration of the Out-of-Band (OOB) ...

I'd like to virtualize an opnsense firewall on my Proxmox box. My mobo's onboard NIC has two 10G ports, and I think I will need to add a third (have an Intel 1G NIC lying around somewhere here) for ...

Here’s a guest post sent to me by Don Crawley, author of The Accidental Administrator book series. It is an excerpt from his latest:The Accidental Administrator: Cisco ASA Security Appliance: A ...

Have you been told that VLANs are the ultimate solution to your network woes? That they’ll magically secure your infrastructure, eliminate complexity, and solve all your traffic management headaches?