Cisco Model D-PCG1000 PowerKEY CAS Gateway Release Notes
Chapter 2 Upgrading the Software
12
4011763 Rev B
Upgrade Process Overview
Before You Begin
Before you upgrade to GQAM 3.1.9, be sure that your system meets the criteria
specified in System Release Compatibility and Prerequisites (on page 5) and Cisco
Application Platform Release Dependencies (on page 5).
specified in System Release Compatibility and Prerequisites (on page 5) and Cisco
Application Platform Release Dependencies (on page 5).
If you will not be downloading the GQAM software from the Cisco File Transfer
Protocol (FTP) site, make sure that you have obtained the CD, GQAM Software
V3.1.9, part number 4013647.
Protocol (FTP) site, make sure that you have obtained the CD, GQAM Software
V3.1.9, part number 4013647.
Time to Complete
When upgrading GQAMs with the new software, consider the following tasks and
the amount of time required for each:
the amount of time required for each:
Completing pre-upgrade tasks takes from 30 to 45 minutes.
If you are upgrading from an FTP site, allow an additional 10 to 15 minutes to
download the software from the FTP site. The speed of the connection and the
size of the files will determine the actual download time.
download the software from the FTP site. The speed of the connection and the
size of the files will determine the actual download time.
Downloading new software to the GQAM takes approximately 8 minutes for
each modulator.
each modulator.
For GQAMs that carry broadcast sessions, the DNCS will restart the sessions
after the GQAMs load new software.
after the GQAMs load new software.
For GQAMs that carry VOD sessions, only those sessions that are determined to
be active will be restarted. Since subscribers may tune away when the GQAM
reboots, the total number of recovered sessions may not match the original
number of sessions on the GQAMs.
be active will be restarted. Since subscribers may tune away when the GQAM
reboots, the total number of recovered sessions may not match the original
number of sessions on the GQAMs.
Note: It is not necessary to rebuild non-VOD sessions on the GQAMs that you
upgrade. The non-VOD sessions are rebuilt automatically after the new software is
downloaded to the GQAM.
upgrade. The non-VOD sessions are rebuilt automatically after the new software is
downloaded to the GQAM.
Subscriber Impact
When GQAMs are reset (rebooted) during the upgrade, the services they carry are
interrupted. DHCTs will show a frozen picture or black screen until the upgrade is
complete and the DNCS has restarted all of the active sessions on the GQAM.
interrupted. DHCTs will show a frozen picture or black screen until the upgrade is
complete and the DNCS has restarted all of the active sessions on the GQAM.