(Special packaging address: Cisco H3C Huawei Junior High School Advanced Simulator (with tutorial))/zt/8901~~~Network Road Blog Collection ccieh3c~~SRX simulator (open version), you can load it with a virtual machine and open it Use it directly, by the way, there is a PDF of the instructions, and there is no problem in following the instructions. You can also refer to the detailed information (JuniperSRX Firewall Simulator (tools, packaged with tutorials))/data/2238197)