Upgrade Procedure - Dell PowerConnect 3048 User Manual

NOTE: Perform the
upgrade procedure from
the console interface via
an RS-232 serial port.
When using a Telnet
session or Web interface
alone, your connection to
the switch is not available
until the switch has
entered forwarding mode.
This takes approximately
three minutes.
112 Sof t ware Upgrades

Upgrade Procedure

The application software is field upgradable. The new software must reside
on a TFTP server that can be accessed by the switch.
To upgrade the software, you must go to the Firmware Upgrade screen.
Complete the following steps:
Go to System Manager/Firmware Upgrade (in the Web or console
1
interface).
Under Boot from field, choose Net during the normal operation.
2
This setting allows you to try out a new version of the software before
upgrading. This option runs the software from an internet location you
specify in step 3.
Verify information such as the IP address for the TFTP Server,
3
Gateway IP address, and the new image filename and path.
Click Apply in the Web interface or press <Ctrl><w> in the console
4
interface.
Go to the Reset screen and restart the system.
5
The boot routine retrieves the new image and then passes control to it.
The system executes the new image.
If you decide to upgrade to the new image, go to the Firmware
6
Upgrade screen again. Set the Boot from field to Net & Save and click
Apply in the Web interface, or press <Ctrl><w> in the console
interface.
Go to the Reset screen and restart the system.
7
The boot routine retrieves the new image and then passes control to it.
The system executes the new image. The new version overwrites the
old one.
Verify that the software has been upgraded by going to the Firmware
8
Upgrade screen and checking the software release information.
If the older version of the software has not been replaced, the system
was unable to reach the new software and executed from the previous
version.