Upgrading A System That Contains Two Srp Modules; Downgrading Junose Software - Juniper SYSTEM BASICS - CONFIGURATION GUIDE V 11.1.X Configuration Manual

JUNOSe 11.1.x System Basics Configuration Guide

Upgrading a System That Contains Two SRP Modules

In a system that contains two SRP modules, you can upgrade the software without
powering off the system.
To upgrade the software in a system that contains two SRP modules:
1.
2.
3.
4.
NOTE: The release you are installing must be Release 5.1.2 or higher-numbered 5.x.x
release.
5.
6.
7.
After the system is configured with a 5.x.x release, newer releases are supported
and can be installed.

Downgrading JUNOSe Software

Downgrading JUNOSe software requires factory defaults installed on the router, and
can cause NVS and configuration script incompatibilities.
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Downgrading JUNOSe Software
Connect your antistatic wrist strap to the ESD grounding jack on your router.
Turn off autosynchronization.
host1#enable
host1#configure
Configuring from terminal or file [terminal]?
Enter configuration commands, one per line. End with CNTL/Z.
host1 (config)#disable-autosync
host1 (config)#exit
Halt the redundant SRP module.
host1#halt standby-srp
Remove the redundant SRP module from the chassis.
Replace the NVS card on this SRP module.
Reinsert the SRP module into the chassis.
Force the redundant SRP module to take over from the primary SRP module.
host1#srp switch
Turn on autosychronization.
host1#enable
host1#configure
Configuring from terminal or file [terminal]?
Enter configuration commands, one per line. End with CNTL/Z.
host1 (config)#no disable-autosync
host1 (config)#exit
The software is updated on the other SRP module.