Previously, up to version 18.X there was 10 users license comes with vMX image. Generally this is no licence mode called BASE which support 10 users with 1mb througoutput. In lab I never use more than 4 or 5 users. I've use this vMX a lot to test and safe experimenting in virtual lab.
Looks like now in 19 and 20 vMX releases (not evaluation, regular vMX release) the license is absent.
Tell me please? if you know, is this policy change and can I somehow obtain license to use vMX for testing purposes out of production?
Please read the following the following information:
License Key Exchange — To use the licenses for vMX and vBNG features in Junos OS Release 19.2R1 and above, you need new license keys. Previous license keys are supported for previous Junos OS releases, but for Junos OS Release 19.2 and above releases, you need to migrate existing licenses (one-time activity). Contact Customer Care to exchange previous licenses. Note that you can choose either to use individual license keys for each device or to deploy Juniper Agile License Manager for more efficient management of licenses.
It is not mandatory to install the Agile License Manager to use vMX or vBNG licenses on Junos OS Release 19.2R1 and later releases. The Agile License Manager is a new option that provides more efficient management of licenses. You can continue to use individual license keys for each device if required.
Existing license keys are not supported on Junos OS Release 19.2R1 and later releases. Contact Customer Care for exchanging previous license keys.