https://software.cisco.com/download/home/286331591/type/286283941/release/6.0 nso-6.0-freetrial.linux.x86_64.signed.bin ncs-6.0-cisco-asa-6.16-freetrial.signed.bin ...
Clone this repository locally (or download it as a zip file) and set netsim_manager.py to executable: $ ./netsim_manager.py init DEVICE xr-0 CREATED DEVICE xr-1 CREATED DEVICE ios-0 CREATED DEVICE ios ...