Chapter 13: Unit Management (CLI) Upgrading the Software (CLI)phn-3963_008v000Page 13-33Upgrading the Software (CLI)PTP 850 software and firmware releases are provided in a single bundle that includes software and firmware for allcomponents in the system. Software is first downloaded to the system, then installed. After installation, a reset isautomatically performed on all components whose software was upgraded.This section includes:• Software Upgrade Overview (CLI)• Viewing Current Software Versions (CLI)• Configuring a Software Download (CLI)• Downloading a Software Package (CLI)• Installing and Upgrading Software (CLI)Software Upgrade Overview (CLI)The PTP 850 software installation process includes the following steps:1. Download – The files required for the installation or upgrade are downloaded from a remote server.2. Installation – The downloaded software and firmware files are installed in all modules and components of thePTP 850 that are currently running an older version.3. Reset – The PTP 850 is restarted in order to boot the new software and firmware versions.Software and firmware releases are provided in a single bundle that includes software and firmware for allcomponents in the system. When you download a software bundle, the system verifies the validity of the bundle.The system also compares the files in the bundle to the files currently installed in the PTP 850 and its components,so that only files that need to be updated are actually downloaded. A message is displayed for each file that isactually downloaded.NoteWhen downloading an older version, all files in the bundle may be downloaded, including files thatare already installed.Software bundles can be downloaded via HTTP, HTTPS, FTP or SFTP. After the software download is complete, youcan initiate the installation.NoteBefore performing a software upgrade, it is important to verify that the system date and time arecorrect. See Setting the Time and Date (Optional) (CLI).When upgrading a node with unit protection, upgrade the standby unit first, then the active unit.Viewing Current Software Versions (CLI)To display all current software versions, enter the following command in root view:root> platform software show versions
