The first partition flagged with boot option contains vIOS image.VIRL has two image formats vmdk and qcow2. Publication date Topics cisco, firmware, router, switch, networking. As you are aware that Vios-L2 image only takes 384 Mb of Ram ( I have assigned 512 MB) we can build the same topology using Vmware Workstation. Select your Version to be installed and click Next > Yes > Next > Next > Finish Upload original Cisco image binary file to temporary directory abc. he Cisco vIOS router is released for OnePk developers within the All-in-One Virtual Machine. The new EVE-NG platform is ready for todays requirements. nz/folder/SJgVyIQA#YEu3hAUg_iQWIB4K0YdQpA/opt/unetlab/wrappers/unl_wra. Cisco vios images Free Download Cisco IOS Images for GNS3.