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Chapter 4 Operation
4.13 Updating Configuration Data
Valid configuration data can be stored by the Signaling Gateway at a Remote Data Center (RDC) using the
CNBUI command (see Section 4.12), on CD ROM or on a remote machine accessible via FTP. This
configuration data can then be restored as described in the following subsections.
4.13.1 Configuration Update from a Remote Data Centre
The procedure to perform a configuration update from a Remote Data Center (RDC) is as follows:
1. The user should enter:
CNUPI:DTYPE=CONFIG,RDC=<rdc id>,
DIRECTORY=<subdirectory>,FILE=<filename>;
to request that the configuration be updated from a RDC where the configuration update file
<filename.CF3> is stored in a subdirectory in the ftproot.
Note: The directory and filename are optional and when not used the system looks for the SDC.CF3 file
in the ftproot directory.
The unit indicates that the configuration has been successfully transferred by displaying the “EXECUTED”
response to the CNUPI command.
2. The user should then restart the system by entering the MML command MNRSI.
4.13.2 Configuration Update from CD ROM
The procedure for a configuration update from CD ROM using MML is as follows:
1. The user should enter:
CNUPI:DTYPE=CONFIG, DIRECTORY=<subdirectory>,FILE=<filename>;
to request that the configuration file be updated from CD ROM.
Note: The directory and filename are optional and when not used the system looks for the SDC.CF3 file
in the CD ROM root directory.
The configuration file is uploaded from CD ROM. The unit indicates that the configuration has been
successfully updated by displaying the “EXECUTED” response to the CNUPI command.
2. The user should then restart the system by entering the MML command MNRSI.
4.13.3 Configuration Update from Startup
The user is also able to install a previously backed-up system configuration from system start.
Note: Installation of configuration from system start is not normal operating procedure and should only
be used if the user is unable to install configuration via MML. A failed installation of configuration
from system start can result in the complete loss of system configuration.
The procedures to install configuration from system start using either FTP or CD are described below.
Configuration Update from Startup using FTP
1. Rename the software distribution to SDC.CF3.
2. Establish an FTP session (see Section 4.9, “FTP Access” on page 23).
3. Set the FTP transfer mode to “Binary”, since the software file is a binary file.
4. Transfer the configuration to the Signaling Gateway by entering the command “put SDC.CF3 SDC.CF3”.
Note: The Signaling Gateway uses a case-sensitive file system. Therefore, it is necessary to specify
SDC.CF3 in uppercase.
5. Terminate the FTP session by entering “quit” or “bye”.
6. Establish an MML session and restart the unit by typing the MNRSI command.
The machine then boots and completes the upgrade. Once the upgrade is complete, the machine is
accessible via the MML.