Upgrade JUNOS Software

As new features become available or as software problems are fixed, you might periodically upgrade the router software. (See Table 21.)

Table 21: Checklist for Upgrading JUNOS Software

Upgrade JUNOS Software Tasks	Command or Action
Before You Upgrade JUNOS Software
Log the Software Version Information	show version | save filename
Log the Hardware Version Information	show chassis hardware | save filename
Log the Active Configuration	show configuration | save filename
Log the Interfaces on the Router	show interface terse | save filename
Log the BGP, IS-IS, and OSPF Adjacency Information	show bgp summary | save filename show isis adjacency brief | save filename show ospf neighbor brief | save filename
Log the System Storage Information	show system storage | save filename
Back Up the Currently Running and Active File System	request system snapshot
Download JUNOS Software	http://www.juniper.net/support
Upgrade JUNOS Software
Copy JUNOS Software to the Router	file copy ftp://username:prompt@ftp.hostname.net/jbundle-package-name /var/tmp/jbundle-package-name
Add New Software	request system software add/var/tmp/jbundle-package-name
Start the New Software	request system reboot
After You Upgrade JUNOS Internet Software
Compare Information Logged Before and After the Upgrade	show version | save filename show chassis hardware | save filename show configuration | save filename show interface terse | save filename show bgp summary | save filename show isis adjacency brief | save filename show ospf neighbor brief | save filename show system storage | save filename
Back Up the New Software	request system snapshot