Information About GCPP Support
The Generic Control Protocol (GCP) sets up a control plane tunnel over a generic transport protocol such as
TCP or UDP. GCP is used to program the remote PHY system upstream and downstream parameters from
the CMTS. It is also used to control the remote PHY system.
The Remote PHY architecture with GCPP (Generic Control Protocol Principal) server, includes separate
DOCSIS, QAM video and OOB cores. To enable the use of multiple RPHY cores, the architecture utilizes a
GCP Principal Core (GCPP). Initially, the RPDs contact and authenticate with the GCPP core, which also
configures the RPDs in its domain in coordination with the Cores (DOCSIS, QAM video, and OOB).
Without the GCPP core, cBR8 is the principal core for RPD. However, in this GCPP architecture, the GCPP
server is the principal core and the Cisco cBR8 is an auxiliary core.
Figure 2: Remote PHY Architecture with GCPP
GCPP Core
GCPP core provides containerized services for automating deployments, managing applications, the initial
authentication of the RPDs, and configuring RPD features and video services. The Principal Core does not
provide any services (video or data).
The GCPP configures RPDs using GCP with the details of the other Cores that will configure it and the
resources that will be configured by those Cores. The GCPP then performs the RPD operational configuration
and the video and OOB service configuration. By the end of this process, the RPD will have its operational
configuration and video and OOB services set up.
The GCPP core performs the following three primary functions:
• Initial authentication of the RPD
Cisco Remote PHY Shelf 7200 Software Configuration Guide for Cisco Remote PHY Shelf 7200 Software 1.1
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Cisco Remote PHY Shelf 7200 Start Up Configuration Guide for Cisco Remote PHY Shelf 7200 Software 1.1
Information About GCPP Support
Summary of Contents for Remote PHY Shelf 7200
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