Upgrading Systems That Are Operating with Two SRP Modules ! 185
Appendix B: Installing JUNOSe Software
Be sure to specify the correct software release (.rel) filename for the router you
are using, as described in Identifying the Software Release File. For example:
host1#copy boston:/outgoing/releases/erx_x-y-z.rel erx_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.
To upgrade the software on a system that is operational and contains two SRP
modules:
1. Turn off autosynchronization.
host1(config)#disable-autosync
2. Copy the new release of the software to NVS of the primary SRP module. Be
sure to specify the correct software release (.rel) filename for the router you are
using, as described in Identifying the Software Release File.
! If a firewall separates the E-series router from the network host, transfer
files to the user space with the FTP client on the network host, and install
files on the system space (see Installing Software When a Firewall Exists).
For example:
host1#copy /incoming/releases/erx_x-y-z.rel erx_x-y-z.rel
! If no firewall separates the E-series router from the network host, copy the
files to the E-series router (see Installing Software When a Firewall Does Not
Exist). For example:
host1#copy hostname:/cdrom/x-y-z/erx_x-y-z.rel erx_x-y-z.rel
! If you are transferring the files from one E-series router to another, copy the
file to the system space of the second E-series router from the user space of
the first E-series router (see Copying Release Files from One E-series Router
to Another). For example:
host1#copy boston:/outgoing/releases/erx_x-y-z.rel erx_x-y-z.rel
3. Save the current configuration. For example:
host1#copy running-configuration system2.cnf
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.
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