Physical Presence - Lenovo RackSwitch G8332 Command Reference Manual

Physical Presence

1. Connect a PC to the console port of the switch.
2. Open a terminal emulator program that supports Telnet protocol (for example,
HyperTerminal, SecureCRT or PuTTY) and input the proper host name (IP
address) and port to connect to the console port of the switch.
3. Boot the switch and access the Boot Management menu by pressing <Shift + B>
while the Memory Test is in progress and the dots are being displayed.
4. Enter Boot Recovery Mode by selecting R. The Recovery Mode menu will appear.
5. To begin the Physical Presence procedure, select P. The following warning message
will appear:
6. You will be prompted for confirmation:
7. A security test will be performed. The system location (blue) LED will blink a
number of times between 1 and 12. Enter that number:
8. After entering the correct number, the Recovery Mode menu will re‐appear. To
install an unofficial image use one of the following procedures:
© Copyright Lenovo 2016
Use the following procedure to enable the installation of unofficial images on the
switch:
WARNING: the following test is used to determine physical presence and if
completed will put the switch in low security mode.
Do you wish to continue y/n?
Hit a key to start the test. The blue location LED will blink a number of
times.
...........
How many times did the LED blink?
 TFTP (for details, see page
 XModem Download (for details, see page
Note: You have three attempts to successfully complete the security test. After
three incorrect attempts, the switch will reboot.
Note: After the test is completed, the switch will be put in low security mode. This
mode will allow you to install unofficial images on the switch. To revert to normal
security mode, you must reboot the switch or press P again in the Recovery Mode
menu.
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Chapter 6: Boot Options