Disabling Boot Rom Access; Configuring A Detection Interval - HP 4800G Series Configuration Manual

24/48 port
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Follow the step below to upgrade the boot file:
To do...
Specify a boot file for the next
boot of a member device
To execute the boot-loader command successfully, you must save the file for the next device boot
under the root directory of the storage media on a member device.
The names of the files for the next boot of the master and slaves may be different, but the versions
of the files must be the same; otherwise, a slave will reboot by using the master's boot file and join
the IRF again.

Disabling Boot ROM Access

By default, you can press Ctrl+B to enter the Boot ROM menu to configure the Boot ROM. However,
this may bring security problems to the device. Therefore, the device provides the function of disabling
the Boot ROM access to enhance security of the device. After this function is configured, no matter
whether you press Ctrl+B or not, the system does not enter the Boot ROM menu, but enters the
command line configuration interface directly.
In addition, you need to set the Boot ROM access password when you enter the Boot ROM menu for
the first time to protect the Boot ROM against operations of illegal users.
You can use the display startup command to view the status of the Boot ROM access function. For the
detailed description of the display startup command, refer to File System Management in the System
Volume.
Follow the step below to disable Boot ROM access:
To do...
Disable Boot ROM access

Configuring a Detection Interval

When detecting an exception on a port, the operation, administration and maintenance (OAM) module
will automatically shut down the port. The device will detect the status of the port when a detection
interval elapses. If the port is still shut down, the device will recover it.
Follow these steps to configure a detection interval:
To do...
Enter system view
Use the command...
boot-loader file file-url slot { all |
slot-number } { main | backup }
Use the command...
undo startup
bootrom-access enable
Use the command...
system-view
1-6
Remarks
Required
Available in user view.
Remarks
Required
By default, Boot ROM access is enabled.
Available in user view
Remarks

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