I built a Cisco network lab for hands on lab experience 24/7 whenever I felt like tinkering. I use a rack on wheels and some free-standing stacks. So far, my collection has 4 layer 3 switches, 2 layer 2 switches, 2 routers, 1 ISR router and 1 WLC and 2 Cisco IP phones. I am currently looking to add a Juniper Router and Switch.