Note:
Changes are made periodically to the IBM Web site. The procedure for
locating firmware and documentation might change from what is described in
this document.
Upgrading the switch firmware
You can upgrade the switch firmware by using a TFTP or SFTP server application.
Typically, this firmware runs as an application under your operating system. Make
sure that this firmware is installed on your server; then, download the firmware
images from http://www.ibm.com/systems/support/ into a directory on your
TFTP/SFTP server. Enable the TFTP/SFTP server and set its default directory to
the one where the image is.
Note:
If you want your change to persist beyond the next reboot of the switch, you
must type the
copy running-config startup-config
command. This
command stores the current switch configuration and all changes in
nonvolatile memory.
To transfer the firmware image files from the TFTP/SFTP server to the switch, you
can establish a SSHv2/Telnet session through the management module. Ping the
TFTP/SFTP server to make sure that you have a connection. The Telnet session
performs optimally if all three network entities (TFTP/SFTP server, management
module, and switch IP addresses) are on the same subnet. Otherwise, you must
use a router and configure a gateway address on the switch. Use the
management-module interface to configure the IP addresses of the management
module external interface (eth0) and the switch so that they are both on the same
subnet as the TFTP/SFTP server.
Examples of IP addresses and masks are described in the following table.
Network entity
IP address
Mask
TFTP/SFTP server
192.168.2.178
255.255.255.0
Management module (eth0)
192.168.2.237
255.255.255.0
Switch-module current IP
configuration (IF 128)
192.168.2.51
255.255.255.0
Note:
With this configuration, you can ping the switch from the TFTP/SFTP server.
Access the switch command line interface (CLI). Refer to “Accessing the switch
through the SSHv2/Telnet interface” on page 24 for more information.
To upgrade the switch firmware, complete the following steps.
1. Log in to the switch.
2. At the CLI prompt, type the following command and press Enter.
/boot/gtimg imageX TADDR zzzzz
Where
imagex
is the image to install,
TADDR
is the address of TFTP server, and
zzzzz
is the operating-system image file name.
3. At the CLI prompt, type the following command and press Enter.
/boot/gtimg boot TADDR yyyy
28
CN4093 10 Gb Converged Scalable Switch: User's Guide
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