Cisco Headend System Release 2.5 Maintenance Manual
Chapter 2 Optimize Your System Performance for Downloads and Staging
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Data Rate - The rate depends on several factors, including the DHCT type,
the BFS QAM setting, and the available bandwidth. When you make this
decision, select a rate between 1.00 and 3.00 Mbps. For assistance, refer to
Recommendations for Data Carousel Rate Management Technical Bulletin (part
number 716377).
Important: When you stage SCC DHCTs, use a data rate of 3.00 Mbps.
Important: When you stage SCC DHCTs, use a data rate of 3.00 Mbps.
Block size - Enter 4000.
Indication Interval - Enter 100.
DataPump - Set to run.
Note: If your system uses the RCS feature, skip this field.
Selected Hosts - Select the same hosts as the main Bootloader source.
Note: If your system uses the RCS feature, skip this field.
Selected Hosts - Select the same hosts as the main Bootloader source.
7 Click Save. The system saves the carousel in the DNCS database and closes the
Set Up BFS Source window.
8 Click the Servers tab, and double-click the bootloader server. The Authorize BFS
Server window opens for the bootloader server.
9 In the Available Sources field, select the bootloader source that you just created
and then click Add. The host you selected moves to the Selected Sources list.
Important: Move only the server that you just created to the Selected Sources list.
Important: Move only the server that you just created to the Selected Sources list.
10 Click Save. The system saves this change and closes the Authorize BFS Server
window.
11 Do you need to add another bootloader source the DNCS?
If yes, repeat this procedure from step 5.
If no, you are ready to configure DHCTs to use the correct bootloader
carousel when downloading images. Go to Setting Up DHCTs to Download
Images from a Specific Bootloader Carousel.
Set Up DHCTs to Download Images from a Specific Bootloader Carousel
After you have added a bootloader source to the DNCS, set up DHCTs to download
images from a specific bootloader carousel.
Important: When you set up multiple bootloader carousels, send each DHCT image
Important: When you set up multiple bootloader carousels, send each DHCT image
using only one bootloader source. Attempting to send the same DHCT image to two
different bootloader sources at the same time will cause the system to display a Save
Failed error message when saving the image to the second bootloader source.
1 On the DNCS Administrative Console, click the DNCS tab.
2 Click the Home Element Provisioning tab.
3 Click Image. The Image List window opens.
4 Click the DHCT Downloads tab.
5 Click File > New. The Set Up DHCT Download window opens.
2 Click the Home Element Provisioning tab.
3 Click Image. The Image List window opens.
4 Click the DHCT Downloads tab.
5 Click File > New. The Set Up DHCT Download window opens.