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Dynamic Bonding Group for RPHY
The Dynamic Bonding Group (DBG) feature enables the system to automatically create bonding groups of
different sizes based on the cable modems' capacity. It helps to manage the resources of all downstream
bonding groups. When the number of available bonding groups reaches the lower limit, it reclaims the bonding
groups that match the reclaim threshold set by the user. The modems used on these bonding groups are then
moved to other bonding groups without primary channel change. This move makes space for new bonding
group allocations. This automated way of creating and reclaiming bonding groups greatly reduces the
management effort of RCC configuration. DBG also automatically accommodates primary channel and CM
capacity distributions.
The load balancing feature leverages DBG to balance traffic among all channels. With DBG, the modem is
assigned to the downstream bonding group without any static RCC configuration.
DBG supports the following:
• DOCSIS 3.0 channel types.
• DOCSIS 3.0 load balance.
• Interoperation with modem registration, load balancing, and high availability.
• Enhanced dynamic load balance to allow movement of modem without a change in the primary channel.
• Enhanced FPGA to allow channel utilization fairness.
This chapter describes how to configure the DBG feature on the Cisco Remote PHY Device.
Finding Feature Information
Your software release may not support all the features that are documented in this module. For the latest
feature information and caveats, see the release notes for your platform and software release. The Feature
Information Table at the end of this document provides information about the documented features and lists
the releases in which each feature is supported.
•
Hardware Compatibility Matrix for Cisco Remote PHY Shelf 7200, on page 70
•
Configure Dynamic Bonding Group, on page 70
•
Configure Load Balancing with Dynamic Bonding Group Enabled, on page 73
•
Feature Information for Dynamic Bonding Group, on page 77
Cisco Remote PHY Shelf 7200 Software Configuration Guide for Cisco Remote PHY Shelf 7200 Software 1.1
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