from the lack of information seen so far we are left with 2 choices : - get the commercially supported CML which pricing is just prohibitive for standalone developpers.- get virl which will be likely vmcloud based from the all in one VM (onepk) (no f...
you can edit the .virl file and run 50 or 100 vIOS instance if you want and have the RAM (384MB per instance)look at my example virl file here : https://github.com/amezibra/my-cisco-virl-lab i even created a patch to the python vmcloud python lib to ...