FortiGate Sub Interfaces (VLAN Trunking)
KB ID 0001772 Problem I was asked by a colleague at work the other day, can we replace the Cisco firewalls with FortiGate firewalls for a client? As a business we are heading towards Forti, but before I said yes I wanted to know what the firewall was actually doing before I said yes. On closer inspection the firewall in question didn’t appear to be doing anything too scary, but I did notice that the LAN interface was...
Cisco ASA 5500 – Sub Interfaces and VLANS
KB ID 0001085 Problem You can take the physical interface of a Cisco ASA firewall, (or an ether channel) and split it down into further sub-interfaces. This way you can set multiple VLANs to use this interface as a gateway at the same time whilst still separating the traffic. In this scenario I’m going to have two VLANs, one for my wired clients, and one for a ‘Guest WiFi’ that I’m setting up. I want the guest...