Cisco Headend Digital Broadband Delivery System Guia Da Instalação
Chapter 2 Upgrading the Software
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4023372 Rev B
Preparing to Monitor Remote MQAM Resets
1 From the xterm window, type cd /dvs/dncs/tmp and press Enter to access the
TMP directory.
2 Type ls -ltr boot* and press Enter. A list of files starting with "boot" appears in
the xterm window.
3 Locate the current bootpd.xxx file name.
Note: This will be the bootpd.xxx file with the highest number and/or the most
recent date.
4 Type tail -f bootpd.xxx | awk '//' to show the last MQAM to reboot.
5 As you reset MQAMs (in the QAM List window or using the auditqam utility),
5 As you reset MQAMs (in the QAM List window or using the auditqam utility),
monitor the bootpd file to verify that each MQAM reset.
Note: The bootpd file will roll over to the next log as it grows. If logging stops,
Note: The bootpd file will roll over to the next log as it grows. If logging stops,
repeat steps 2 through 4 to see if a new log file is being used.
6 Go to one of the following sections, as desired:
Resetting the MQAM Modulator Through the DNCS GUI (on page 24)
Resetting MQAM Modulators Through the auditQam Utility (on page 26)
Resetting the MQAM Modulator Through the DNCS GUI
This section describes how to reset MQAMs in order to load new software. Use the
Preparing to Monitor Remote MQAM Resets (on page 24) procedure before
resetting MQAMs through the DNCS GUI.
CAUTION:
All active sessions on the MQAM will be interrupted when the modulator is
All active sessions on the MQAM will be interrupted when the modulator is
reset. DHCTs downstream of the modulator will lose their ability to display
services until sessions are re-established.
1 If you have not already done so, provision the modulator on the DNCS.
Note: For instructions on provisioning the MQAM modulator, refer to the
MQAM Modulator Models D9477-1, D9477-2, and D9477-3 Installation and
Operation Guide.
2 From the DNCS Administrative Console, click the DNCS tab, click the Network
Element Provisioning tab, and then click QAM. The QAM List window opens.
3 Based on the order you determined earlier, select the MQAM that you want to
reset.