Cisco Headend System Release 2.7 Installation Guide
4022900 Rev C
iii
Contents
About This Guide
v
Chapter 1 Introducing GQAM Software Version 4.2.1
1
Why Choose This Release? ..................................................................................................... 2
What's Fixed? ............................................................................................................................ 5
What Are the Site Requirements? .......................................................................................... 7
Known Issues.......................................................................................................................... 10
CA Descriptor and VOD Sessions ....................................................................................... 14
Chapter 2 Upgrading the Software
15
Upgrade Process Overview .................................................................................................. 16
Verify the Current Software Version on the DNCS .......................................................... 20
Back Up the Current GQAM Configuration File............................................................... 23
Install GQAM Software onto the DNCS ............................................................................. 24
Establish a Download Sequence .......................................................................................... 27
Download Software to the GQAM Modulators ................................................................ 29
Chapter 3 Customer Information
37
Appendix A Verify the Install Package Exists on the DNCS
39
Check for the Install Tool on the DNCS ............................................................................. 40
Appendix B Load Multiple Versions of GQAM Code
41
Loading Multiple Versions of GQAM Code ...................................................................... 42
Appendix C Roll Back to the Previous Version
of GQAM Software
43
Restore the Previous Version of GQAM Software ............................................................ 44