Sun Microsystems CP3240 manual Keying Control in uBoot, To re-enable e-Keying clear the variable

There is only a one-second delay to press a key.

When the uBoot prompt is displayed, you can then enter any of the following commands.

TABLE 4-5uBoot Console Commands

Command	Result
print or	Shows the current environment variables.
printenv
set	Followed by an environment variable, this command changes the
<variable>	environment variable.
or setenv
save or	Writes the variables to flash. You must save the changes if you want them
saveenv	to persist through a reset.

4.2.2E-Keying Control in uBoot

See the Section 4.3.1, “e-Keying” on page 4-7for a description of e-Keying, and how it is supported.

To disable e-Keying, use the noekey environment variable.

List the ports to be disabled separated by only commas.

set noekey 1,2,3,4

Or use the word all to disable e-Keying completely.

set noekey all

To re-enable e-Keying clear the variable.

set noekey

After changing the environment variables you must always save if you would like the change to persist though a reset.

4-6Sun Netra CP3240 Switch Installation Guide • September 2009