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Cisco Broadband Access Center 3.8 Administrator Guide
OL-27172-01
Chapter 4 CPE Management Overview
Multi-Instance Object Support
Parameter Discovery
Multi-instance object parameters can now be specified in the data discovery. This support is extended
for preregistered and unregistered devices.
Preregistered Devices
For preregistered devices, the multi-instance object parameters can be configured in the parameter
IPDeviceKeys.CWMP_CUSTOM_DISCOVER_PARAMETERS as in the example below:
/IPDevice/custom/discover/parameters= Device.Services.FAPService.{i}.REM.GSM.Cell.{i}.LAC,
Device.Services.FAPService.{i}.REM.GSM.Cell.1.PLMNID
Unregistered Devices
For unregistered devices, the multi-instance object parameters can be configured in the parameter
ServerDefaultsKeys.CWMP_UNKNOWN_CPE_PARAMETERS as in the example below:
/server/acs/unknown/parametersToRetrieve=
Device.Services.FAPService.{i}.REM.GSM.Cell.{i}.LAC,
Device.Services.FAPService.{i}.REM.GSM.Cell.1.PLMNID
Display Live Data Operation
The device operation enables you to view live device parameter values. The parameters retrieved from
the device are selected from a Parameter List file, which is an XML file that details all the parameters.
If the multi-instance object parameters are configured in the Parameter List XML file, the device
operation retrieves the parameter values from all the available instances in the device.
The following example illustrates the usage of multi-instance object support to retrieve live device data.
<ParameterList xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="ParameterListSchema.xsd">
<ParameterDictionaries>
<ParameterDictionary>tr196-cwmp-dictionary-v2.0.xml</ParameterDictionary>
</ParameterDictionaries>
<Parameter>
<Name> Device.Services.FAPService.{i}.REM.GSM.Cell.{i}.LAC</Name>
</Parameter>
<Parameter>
<Name> Device.Services.FAPService.{i}.REM.GSM.Cell.1.PLMNID </Name>
</Parameter>
<Parameter>
<Name>Device.Services.FAPService.{i}.REM.UMTS.GSM.CellNumberOfEntries</Name>
</Parameter>
</ParameterList>
Instance Sorting
In all the operations, when selecting the instances based on the instance configuration, you sort the list
of instances returned in GetParameterNames RPC call. The discovered object instances can be sorted
when the property
ProvGroupKeys.ENABLE_INSTANCE_SORTING (/provGroup/enable/instanceSorting) is
enabled.
This property can be configured at the Provisioning Group level in the object hierarchy. For details, see
Provisioning Group Configuration Workflow, page 3-8.