Cisco Headend Digital Broadband Delivery System Release Notes
Chapter 2 Upgrading the Software
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4002628 Rev B
4 Make a backup copy of the current GoQAM configuration file.
5 If you are upgrading more than one GoQAM, establish an order for upgrading
5 If you are upgrading more than one GoQAM, establish an order for upgrading
the modulators.
6 Install the GoQAM software onto the DNCS from either the Cisco FTP site or a
CD.
Upgrade Tasks
Important! Performing the upgrade tasks will result in a temporary loss of service as
GoQAMs are reset.
1 Download the new software to the GoQAMs.
2 If the GoQAMs you are upgrading currently carry broadcast sessions, determine
GoQAMs are reset.
1 Download the new software to the GoQAMs.
2 If the GoQAMs you are upgrading currently carry broadcast sessions, determine
the sessions that are running on those modulators you plan to upgrade. This will
allow you to verify that these sessions are rebuilt after the new software is
downloaded to the modulators.
allow you to verify that these sessions are rebuilt after the new software is
downloaded to the modulators.
3 Verify that the upgraded GoQAM is functioning properly.
Important! Read and follow the directives contained in Impact of TVs with
QAM Tuners (on page 9).
QAM Tuners (on page 9).
4 After the upgrade is complete, generate a Doctor Report using the –av option to
verify system stability and functionality.
5 Perform System Validation Tests for your system release version.