
System Administration
8-35
Examples:
Upgrading and Verifying a PROM
You use the prom command to upgrade or verify the software on the diagnostics
PROM or bootstrap PROM. This command is restricted to the Manager access
level.
If you enter: The system:
readexe frediag.exe
Calculates file header and image checksums on the
frediag.exe file located on the active volume, verifies
that the header and image checksums match those
within the file, and displays the results and all file
header information.
readexe 3:freboot.exe
Calculates file header and image checksums on the
freboot.exe file located on Volume 3, verifies that the
header and image checksums match those within the
file, and displays the results and all file header infor-
mation.
Caution: If a software release includes a PROM software upgrade, see the
upgrade documentation shipped with the software for instructions on
upgrading the PROMs on your router. The instructions describe
• How to determine the models of router that need a PROM update
• How to determine whether you must upgrade the PROM(s) in a specific
model of router by using the Technician Interface
prom command, or by
physically replacing the existing PROM device with a new PROM device
• How the PROM upgrade process works
• How to determine the current versions of PROM images residing in a router
• What you need to know about upgrading PROMs in a remote router
• How to specify the commands necessary to upgrade and verify a PROM
If you do not follow these instructions, you may disable the router you are
trying to upgrade.
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