IBM Nortel Networks L2/3, Manual

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Chapter 5. Nortel Networks L2/3 GbESM management and administration
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Upgrading the firmware
To upgrade the firmware on the Nortel Networks L2/3 GbESM, you must use Trivial File
Transfer Protocol (TFTP) or File Transfer Protocol (FTP). It is not possible to use the
Management Module menu item for upgrading firmware at this time. However, this is a
planned feature for a future software release.
Figure 5-6 shows the process to load a new OS image file onto the switch.
Figure 5-6 Display of a firmware update using CLI
The firmware for the Nortel Networks L2/3 GbESM is contained in two files: one is a boot
image file and the other is the OS image file. Use the following steps to upgrade the firmware
on the Nortel Networks L2/3 GbESM via the Telnet session:
1. Type
/boot/gtimg
.
2. Enter where the new image file will be placed. We are upgrading the boot image file, so
enter boot . That is the location for the boot image file.
3. Enter the IP address of the TFTP server.
4. Enter the fully qualified path name for the boot image file that is on the TFTP server.
5. The switch reports the current version of the boot kernel on the switch and ask if you wish
to replace it with new file. If you wish to continue, enter y .
6. When the download is finished, go back to Step 1, and repeat the process for the OS
image file. In step 2, enter image1 or image2 as the location to store the new image file.
Important: Before updating the firmware, save any configuration changes to the Nortel
Networks L2/3 GbESM. From the Telnet session, enter
apply, then press Enter. Type
save and press Enter . Answer y to the prompt that asks to confirm saving to flash. Answer
y to the prompt that asks if you want to change the boot to the active config block if it
appears.