In my home lab virtual environment, VMware ESXi and Workstation used to host most of my testing virtual machines. To get those VMs working together in a multi networks diagram, I always need to have a router or firewall VM. I were using all kinds of virtual routers or firwealls, such as those major vendors, Cisco, CheckPoint, Juniper, Fortinet, Palo Alo, also some small vendors, such as OpenWRT,PFsense, RouterOS, etc. But recent I found one small Virtual image surprised me. The whole virtual image file is only 1.4MB. Memory only needs 16MB.
To be continued: