System information

Appendix B: Advanced Boot and Backup Configuration Information 415
U-Boot Network Boot Options and Caveats
2. Set the “bootfile,” “serverip,” and “ipaddr” environment variables using
the boot filename, the TFTP boot server’s IP address, and the IP address
of the OnBoard to use for network booting.
The format of the boot filename is:
zImage_onb_version_number.bin. In the following example,
the filename zImage_onb_v120.bin is used.
See the following screen example.
3.
Check that the environment variables are set properly with the
printenv command.
4. Enter the net_boot command.
5. Log in as root after boot completes.
6. Run the create_cf command with the --doformat option.
=> setenv ipaddr OnBoard_IP_address
=> setenv serverip boot_server’s_IP_address
=> setenv bootfile boot_file’s_name
=>setenv ipaddr 192.168.45.29
=> setenv serverip 192.168.46.127
=> setenv bootfile zImage_onb_v120.bin
=> printenv
ipaddr=192.168.45.29
serverip=192.168.49.127
bootfile=zImage_onb_v120.bin
=> net_boot