Use UniFi insights to find denied connections and troubleshoot rules, then tune VLANs so cameras and IoT cannot touch sensitive devices.

I've got a customer with a Dell switch (power connect 6248 I think) with 3 uplinks to my network. The uplinks are separate layer 3 links, each one being a separate IP block in a separate VLAN on my ...

Hi all - I was helping connect another building and this involved two links that serve different vlans. The links are on one switch not owned by us (Cisco) from our main IT group and then ours ...

Those who had an opinion last week were split evenly: CCNA labs need either 2 or 3 switches, and CCNP labs need either 3 or 4. But why? We saw a few opinions floating around the blog last week, but ...

I am amazed by the number of networks that I encounter that do not have optimal spanning tree configurations. I first read Radia Perlman’s book “Interconnections” back in 1994. I am amazed that 15 ...

Q: I have a Cisco L3 3560 switch, 5 unmanaged switches and 150 users. I need to create 10 VLANs. How can I configure my VLAN given the switches I have? It depends on how many users you would need in ...

Rick Cook learned programming on a computer with magnetic drum memory. Since then he's written thousands of articles on all aspects of computers and high technology — as well as several fantasy novels ...