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12-5
Cisco Broadband Access Center 3.8 Administrator Guide
OL-27172-01
Chapter 12 Configuring CWMP Service
Connection Request Service
• If the username and password are present only on the configuration template (and not in the device
record), this password is used instead of the auto-generated password.
Configuring Connection Request Methods
You can specify the method in which Cisco BAC attempts to perform a connection request by using the
provisioning API or the administrator user interface. The selected method dictates how Cisco BAC
determines the connection request URL to be used to contact the device.
The API property
IPDeviceKeys.CONNECTION_REQUEST_METHOD specifies the connection request method
(subsequent descriptions provide the details of each method).
Note You can specify this property anywhere in the device hierarchy.
To configure the default connection request method by using the administrator user interface, choose
Configuration > Default > CWMP Defaults, and select an option from the drop-down list.
Cisco BAC supports the following methods to configure a connection request:
• Discovered
• Using FQDN
• Using IP
• LeaseQuery
• Annex G
• Use CMHS
When selecting a connection request method, it is important to consider performance and manageability,
as each method provides different levels of both.
Discovered Connection Request
The Discovered method, during CPE interactions with the DPE, modifies the data synchronization
instruction to discover the device's connection request URL, which corresponds to the parameter
InternetGatewayDevice.ManagementServer.ConnectionRequestURL, whenever the DPE interacts with
the device. The RDU records any updates to this parameter value and uses it when making connection
requests.
Note This value must be discovered before connection requests are attempted.
Because this parameter value changes each time the device’s WAN IP address changes and every update
has to be stored at the RDU, it is not the optimal method for connection requests.
Use FQDN Connection Request
The Use FQDN method uses the fully qualified domain name (FQDN) specified for the device at the
RDU to construct a connection request URL for the device. It uses the FQDN along with the values
specified in the following properties on the API:
• IPDeviceKeys.CONNECTION_REQUEST_PORT
• IPDeviceKeys.CONNECTION_REQUEST_PATH