Nortel Networks 4050 User Manual

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Chapter 14 Maintaining and managing the system 735
Nortel Secure Network Access Switch 4050 User Guide
 
The Software Management menu includes the following options:
/boot/software
followed by:
cur
Displays the status of the software versions on the 
particular device to which are connected. The status 
options are:
permanent
 — the software version that is 
currently operational
old
 — the software version that preceded the 
currently operational software version
unpacked
 — the software upgrade package has 
been downloaded but not yet activated
If you activate a software version indicated as either 
unpacked
 or 
old
, the status of that version is 
propagated to 
permanent
 . The software status 
change occurs after the Nortel SNAS 4050 device 
performs a reboot.
activate <version>
Activates a downloaded software upgrade package that 
the 
cur
 command indicates as 
unpacked
. If serious 
problems occur when the new software version runs, 
you can switch back to the previous version by 
activating the software version that the 
cur
 command 
indicates as 
old
The Nortel SNAS 4050 reboots when you confirm the 
activate
 command.
Note: When you activate a software upgrade on a 
Nortel SNAS 4050 device, all the Nortel SNAS 4050 
devices in the cluster reboot. All active sessions are 
lost.