Juniper Networks ERX-705, ERX-1410 manual Upgrading Systems That Are Operating with Two SRP Modules

Upgrading Systems That Are Operating with Two SRP Modules ERX Edge Routers

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To transfer release files from a source ERX system to a destination ERX system, follow the instructions in Installing Software When a Firewall Does Not Exist, with the following changes:

•Substitute the source ERX system for the network host.

•Omit the step about mounting the CD.

•Copy the file to the system space of the second ERX system from the user space of the first ERX system.

host1#copy boston:/outgoing/releases/x-y-z.rel x-y-z.rel

Upgrading Systems That Are Operating with Two SRP Modules

Use this procedure if the system contains two SRP modules and is already operating with an earlier software release. Each SRP module will keep the system operational while you upgrade the software on the other, so that you can avoid interrupting service.

Caution: You must upgrade the software on the redundant SRP module when you upgrade the software on the primary SRP module. This action prevents the redundant SRP module from overwriting the new software on the primary SRP module if the primary SRP module fails and the redundant SRP module assumes control.

To upgrade the software on a system that is operational and contains two

SRP modules:

1Turn off autosynchronization.

host1(config)#disable-autosync

2Copy the new release of the software to NVS of the primary SRP module.

host1#copy host1:x-y-z.rel x-y-z.rel

3Save the current configuration.

host1#copy running-configuration system2.cnf

4Specify that the ERX system should use the new software release when it reboots.

host1(config)#boot system x-y-z.rel

5Synchronize the NVS file system of the redundant module to that of the primary module.

host1#synchronize