Performing Minor And Major Release Upgrades - Nortel Secure Network Access Switch 4050 User Manual

758 Chapter 15 Upgrading or reinstalling the software
Upgrading the software on your Nortel SNAS 4050 requires the following:
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Performing minor and major release upgrades

The following description applies to a minor or a major release upgrade.
To upgrade the Nortel SNAS 4050 you will need the following:
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Major release upgrade: This kind of release may contain bug fixes as well as
feature enhancements. All configuration data is retained. To perform a major
upgrade, connect to the MIP of the cluster you want to upgrade.
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.
Loading the new software upgrade package or install image onto a TFTP/
FTP/SCP/SFTP server on your network.
Downloading the new software from the TFTP/FTP/SCP/SFTP server to your
Nortel SNAS 4050.
Activating the software on the Nortel SNAS 4050.
Note: Before upgrading, check the accompanying release notes for any
specific actions to take for the particular software upgrade package or
install image.
Access to one of your Nortel SNAS 4050 devices through a remote
connection (Telnet or SSH), or a console connection.
The software upgrade package, loaded on a TFTP/FTP/SCP/SFTP server on
your network.
The host name or IP address of the TFTP/FTP/SCP/SFTP server. If you
choose to specify the host name, note that the DNS parameters must have
been configured. For more information, see
settings using the CLI" on page
The name of the software upgrade package (upgrade packages are identified
by the .pkg file name extension).
"Configuring DNS servers and
477.