Cisco Headend System Release 2.5 Maintenance Manual
Chapter 3 Staging SSC DHCTs
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How Does the Download Affect the System?
Until you actually download the software across your system, there is no
performance impact to your subscribers. After the system-wide download is started,
any device being upgraded is unavailable while downloading the software.
Therefore, we recommend that you perform Phase Three of these procedures during
a maintenance window.
In addition to the outage caused by loading the software, two-way hosts and DHCTs
In addition to the outage caused by loading the software, two-way hosts and DHCTs
will have to re-establish their network connections. This can cause interactive
services to be temporarily unavailable after a software download.