The domestic image allows for the security package installation. However, in a repack scenario, the licensing daemon (spd) may need to be reset or bypassed (common in lab environments) to allow the node to function beyond the initial 30-day evaluation period.

The Juniper vMX is a virtualized version of the MX Series 3D Universal Edge Router. Unlike the vSRX or other virtual appliances which often utilize a monolithic disk image, the vMX architecture is unique. It splits the routing functionality across two distinct Virtual Machines (VMs): the Virtual Control Plane (VCP) and the Virtual Forwarding Plane (VFP).

The filename jinstallvmx141r48domesticimg denotes a specific package:

In a vMX instance, the VCP and VFP communicate via an internal virtual switch or vSwitch (often OVS or a Linux bridge), utilizing a proprietary protocol to manage the flow of control packets between the "brain" (VCP) and the "muscle" (VFP).

If you're working in a corporate/domestic environment that requires a customized installer, build it from the official source and sign it internally.

A "repack" of a vMX image usually occurs for the following technical reasons: