Cisco Headend System Release 2.7 Installation Guide

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Chapter 1    SR 2.8.2/3.8.2/4.3.2 Pre-Upgrade Procedures 
 
 
 
12 
4038415 Rev A 
Back Up Modulator Control Files 
In the event that you ever need to access the pre-upgrade configuration files of the 
QAM-family and QPSK modulators, follow these instructions to make a backup 
copy. 
Note:  In the following commands, substitute the DNCS version that you are backing 
up for [DNCS version] 
1  From a root xterm window on the DNCS, type the following command and press 
Enter
mkdir /tftpboot/backup.[DNCS version]
 
2  Type the following command and press Enter. The system copies all *.config files 
to the /tftpboot/backup directory. 
cp -p /tftpboot/*.config /tftpboot/backup.[DNCS version]
  
3  Type the following command and press Enter to verify that the configuration 
files were successfully copied to this directory. 
ls /tftpboot/backup.[DNCS version]
 
4  Add the /tftpboot/backup.[DNCS version] directory to your list of key files to 
be backed up.