...
vagrant plugin install vagrant-junos
5- check the VM ( and ssh-config)
cd /drives/c/Users/jkriker/Documents/vagrant/vsrx
➤ vagrant global-status
id name provider state directory
-----------------------------------------------------------------------------
e8060bf default virtualbox running C:/Users/jkriker/Documents/vagrant/arch1
d651528 ubuntu virtualbox running C:/Users/jkriker/Documents/vagrant/vsrx
8113892 srx virtualbox running C:/Users/jkriker/Documents/vagrant/vsrx
. . .➤ vagrant ssh-config srx
Host srx
HostName 127.0.0.1
User root
Port 2201
UserKnownHostsFile /dev/null
StrictHostKeyChecking no
PasswordAuthentication no
IdentityFile C:/Users/jkriker/Documents/vagrant/vsrx/.vagrant/machines/srx/virtualbox/private_key
IdentitiesOnly yes
LogLevel FATAL
6- use the private key in mobaXterm
...