Download the vSRX QCOW2 image from the Juniper software download site.
https://www.juniper.net/support/downloads/?p=vsrx#sw
or
( fron the cmd of the KVM hypervisor ) wget + the link below
Set RAM to 4096 MB and
set CPUs to 2
https://www.juniper.net/support/downloads/?p=vsrx#sw
or
( fron the cmd of the KVM hypervisor ) wget + the link below
Set RAM to 4096 MB and
set CPUs to 2