Cisco Model D9479 Gigabit QAM Modulator Installation Guide
Download Software to the QAM Modulators
78-740242-01 Rev B
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Resetting QAM Modulators Through the auditQam Utility
The reset option of the auditQam utility allows you to reset the QAM from the
command line of the DNCS, a process that is usually quicker than resetting the
modulator through the DNCS GUI or modulator panel.
You can use one of the following two methods to reset the QAM using auditQam:
You can use one of the following two methods to reset the QAM using auditQam:
Reset a single QAM by typing the IP address of the modulator as an argument to
the auditQam -reset command
Reset more than one QAM by creating a script that includes a reset command for
each modulator. The script includes a delay value that resets each QAM over a
period of time.
Note: Instructions and guidelines for both situations are provided in this section.
Resetting One QAM
1 If necessary, open an xterm window on the DNCS.
2 Type the following command and press Enter:
1 If necessary, open an xterm window on the DNCS.
2 Type the following command and press Enter:
auditQam -reset [QAM ip address]
Result: The system shuts down and reinitializes the modulator.
Note: The system also performs an audit to ensure that the session list for the
Result: The system shuts down and reinitializes the modulator.
Note: The system also performs an audit to ensure that the session list for the
modulator matches the session list from the DNCS.
3 Do you see the IP address for the QAM you reset in the bootpd log file?
If yes, continue with this procedure.
If no, call Cisco Services.
4 Select one of the following options:
For QAMs that carry broadcast sessions, go to Verifying the Functionality of
QAM Modulators That Carry Broadcast Sessions (on page 27).
For QAMs that carry xOD or VOD sessions, go to Verifying the Functionality
of QAM Modulators That Carry xOD or VOD Sessions (on page 29).
Resetting More Than One QAM
When performing an upgrade, you may not want to manually reset hundreds of
When performing an upgrade, you may not want to manually reset hundreds of
modulators from the DNCS GUI. To save time, you can create a script that resets the
QAMs. Refer to the following example for a sample script.
Important! Resetting the QAM interrupts all active sessions on the QAM for up to 10
Important! Resetting the QAM interrupts all active sessions on the QAM for up to 10
minutes. Complete this task during a maintenance period whenever possible.
This sample script will execute the following functions:
This sample script will execute the following functions:
Reset four QAMs
After 5 minutes (300 seconds), reset another set of four QAMs