Cisco Headend System Release 2.5
Chapter 2 DNCS Pre-Upgrade Procedures
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4000916 Rev C
Back Up the Current Modulator Configuration Files
Backing Up the Current Modulator Configuration Files
Follow these instructions to back up your current QAM, MQAM, GQAM, and QPSK
configuration files.
1 If necessary, open an xterm window on the DNCS.
2 Follow these instructions to log on to the xterm window as root user.
configuration files.
1 If necessary, open an xterm window on the DNCS.
2 Follow these instructions to log on to the xterm window as root user.
a Type su - and press Enter. The password prompt appears.
b Type the root password and press Enter.
b Type the root password and press Enter.
3 Type cd /tftpboot and then press Enter. The /tftpboot directory becomes the
working directory.
4 Depending upon which configuration files you need to back up, choose one or
more of the following options:
To back up the QAM configuration file, type
cp -p qam.config qam.config.<version number> and then press Enter.
cp -p qam.config qam.config.<version number> and then press Enter.
To back up the MQAM configuration file, type
cp -p mqam.config mqam.config.<version number> and then press Enter.
cp -p mqam.config mqam.config.<version number> and then press Enter.
To back up the GQAM configuration file, type
cp -p gqam.config gqam.config.<version number> and then press Enter.
cp -p gqam.config gqam.config.<version number> and then press Enter.
To back up the QPSK configuration file, type
cp -p qpsk.config qpsk.config.<version number> and then press Enter.
cp -p qpsk.config qpsk.config.<version number> and then press Enter.
Note: Substitute the current version of your modulator software for <version
number>.
number>.
5 Type exit and then press Enter. The system logs out the root user.
6 Go to Run the Doctor Report (on page 17).
6 Go to Run the Doctor Report (on page 17).