96 Fabric OS Administrator’s Guide
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The boot PROM password
5
The recovery string must be between 8 and 40 alphanumeric characters. A random string that
is 15 characters or longer is recommended for higher security. The firmware prompts for this
password only once. It is not necessary to remember the recovery string because it is displayed
the next time you enter the command shell.
The following prompt displays:
New password:
6. Enter the boot PROM password, then re-enter it when prompted. The password must be eight
alphanumeric characters (any additional characters are not recorded). Record this password
for future use.
The new password is automatically saved.
7. Reboot the switch by typing the reset command at the prompt.

Setting the boot PROM password for a director with a recovery string

This procedure applies to the following enterprise-class platforms: Brocade 48000 director and
Brocade DCX and DCX-4S Data Center Backbones.
The boot PROM and recovery passwords must be set for each CP blade on Brocade 48000,
Brocade DCX and DCX-4S enterprise-class platforms.
1. Connect to the serial port interface on the standby CP blade, as described in “Connecting to
Fabric OS through the serial port” on page 16.
2. Connect to the active CP blade by serial or Telnet and enter the haDisable command to prevent
failover during the remaining steps.
3. Reboot the standby CP blade by sliding the On/Off switch on the ejector handle of the standby
CP blade to Off, and then back to On.
4. Press ESC within four seconds after the message “Press escape within 4 seconds...” displays.
The following options are available:
5. Enter 2. Take the following appropriate action based on whether you find the password was
previously set:
•If no password was previously set, the following message displays:
Recovery password is NOT set. Please set it now.
•If a password was previously set, the following messages display:
Send the following string to Customer Support for password recovery:
afHTpyLsDo1Pz0Pk5GzhIw==
Enter the supplied recovery password.
Recovery Password:
6. Enter the recovery password (string).
Option Description
1 Start system. Continues the system boot process.
2 Recovery password. Lets you set the recovery string and the boot PROM password.
3 Enter command shell. Provides access to boot parameters.