VIRL, CCIE Lab Builder, GNS3
I am looking at using VIRL or CCIE lab builder for CCIE studies alongside tokens. It is said that VIRL registration is for a year but I am wondering whether I can work on it for as much as I want just like working on GNS3? Would have to pay for new keys after one year of use? I just need more inside into how it works.
Also, how does CCIE lab builder compare to VIRL in terms of performance and also given that it has a twenty node limit. Would that be good for the CCIE labs? Can I integrate VIRL licenses into GNS3 legally?
I would be pleased with any suggestions.