Matt Oswalt of Keeping It Classless comments:
For the last few years, if you wanted to set up a virtual network environment (for testing purposes, or setting up a lab, etc), it was more or less a manual process of installing software like the CSR 1000v from an ISO or OVA. Rinse and repeat. If you were fortunate enough to work at a company with decent virtual machine automation and infrastructure (and had access to it) then you could in theory make this a little easier, but it’s hardly portable. However, this is still much better than it was only a few short years ago, when many vendors simply did not offer a virtual machine version of their routers and firewalls.
If you’re thinking about setting up your own home lab any time soon, read Matt’s post to get a head start on some things that will make your life much, much easier.
Read more at: Go Go Gadget Networking Lab!