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18 CHAPTER 3: PLANNING AND PREPARING THE UPGRADE
On a UNIX NMS, follow these steps:
1 Create a user on your system with /tftpboot as the home directory.
2 When using the upgrade utilities via the command line or the Transcend Upgrade
Manager, specify this user name and password in the BCMFTPUSER and
BCMFTPPASS environment variables.
Specify the -ftp flag in all command line utilities that use file transfers
(bcmsysupgrade, bcmbackup, bcmrestore) if you want to use FTP file transfer. For
example, to specify FTP file transfer use:
bcmsysupgrade -s:from_nb -ftp <device>
If no flag is used, TFTP is used by default for software release 11.0 and lower, but
FTP is used by default for software release 11.1 and higher. If the -ftp flag is
specified on a bridge/router running software version 11.0 or lower, the FTP
password is overwritten with the following text string:
****
On a Windows NMS, follow these steps:
1 Create a user in 3Com’s 3CServer FTP settings.
2 When using the upgrade utilities via command line or the Transcend Upgrade
Manager, specify the ftp user name and password in the BCMFTPUSER and
BCMFTPPASS environment variables.
You can specify the -ftp flag in the utilities (bcmsysupgrade, bcmbackup,
bcmrestore) if you want to use FTP file transfer.
If no flag is used, TFTP is used by default for software release 11.0 and lower, but
FTP is used by default for software release 11.1 and higher. If the -ftp flag is
specified on a bridge/router running software version 11.0 or lower, the FTP
password is overwritten with the following text string:
****
Choosing Automatic
Recovery or Manual
Recovery
If you have enough flash memory for dual-image support, complete your upgrade
using automatic recovery. If you have only enough memory for single-image
support, complete the upgrade using manual recovery. The following sections
describe the difference between automatic and manual recovery and the memory
requirements for each platform.
Automatic Recovery The default upgrade procedure uses automatic recovery. After backing up the
current software to the network management station (NMS), the new software is
copied into a test directory while the current software remains in the primary
directory. If you accept the upgrade after booting from the test directory, the new
software becomes the primary boot source, and the old software becomes the
secondary boot source.
If you are upgrading your hardware as well as the software, the procedure for
automatic recovery saves the software package that was originally on the new
hardware as the secondary boot source.