GNS3

GNS3 allows you to manage connections between the routers, switches, and firewalls without risking the entire equipment breakdown. Some routers compatible with this application include Cisco CCNA, CCNP, CCIP, CCSP, CCVP and CCIE, Juniper JNCIA, JNCIS, and JNCIE. You’ll be able to set up advanced and deep networks easily without using expensive hardware, as it…