UMN:CLI
User Manual
V8102
900
14.1.2
Boot Mode Upgrade
In case that you cannot upgrade the system software with the general upgrade procedure,
you can upgrade it with the boot mode upgrade procedure. Before the boot mode up-
grade, please keep in mind the following restrictions.
•
A terminal must be connected to the system via the console interface. To open the
boot mode, you should press <
S
> key when the boot logo is shown up.
•
The boot mode upgrade supports TFTP only. You must set up TFTP server before
upgrading the system software in the boot mode.
•
In the boot mode, the only interface you can use is MGMT interface. So the system
must be connected to the network via the MGMT interface.
•
All you configures in the boot mode is limited to the boot mode only!
To upgrade the system software in the boot mode, perform the following step-by-step in-
struction:
Step 1
To open the boot mode, press <
S
> key when the boot logo is shown up.
************************************************************
*
*
* Boot Loader Version
*
* Dasan Networks
*
*
*
************************************************************
Press 's' key to go to Boot Mode: 0
Boot>
Step 2
To enable the MGMT interface to communicate with TFTP server, you need to configure a
proper IP address, subnet mask and gateway on the interface.
To configure an IP address, use the following command.
Command
Mode
Description
ip
A.B.C.D
Boot
Configures an IP address.
ip
Shows a currently configured IP address.
To configure a subnet mask, use the following command.
Command
Mode
Description
netmask
A.B.C.D
Boot
Configures a subnet mask. (e.g. 255.255.255.0)
netmask
Shows a currently configured subnet mask.
To configure a default gateway, use the following command.
Command
Mode
Description
gateway
A.B.C.D
Boot
Configures a default gateway.
gateway
Shows a currently configured default gateway.
!