Downloading Software Packages from Juniper Networks
You can download the following Junos OS software packages from the Juniper Networks website:
Junos OS for MX Series devices, Release 18.3R1
For MX Series devices, download jinstall-ppc-18.3R1.4-signed.tgz.
Before you begin to download the software, ensure that you have a Juniper Networks Web account and a valid support contract. To obtain an account, complete the registration form at the Juniper Networks website: https://userregistration.juniper.net/entitlement/setupAccountInfo.do.
To download software packages from Juniper Networks:
- Using a Web browser, follow the links to the download URL on the Juniper Networks webpage.
- Log in to the Juniper Networks authentication system using the username (generally your e-mail address) and password supplied by Juniper Networks representatives.
- Download the software. See Downloading Software