Chapter 31: Load Balancing
STANDARD Revision 1.0
C4® CMTS Release 8.3 User Guide
© 2016 ARRIS Enterprises LLC. All Rights Reserved.
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Steering to RLBG
Modems are steered to a Restricted Load Balancing Group (RLBG) immediately after modem registration. DCC is used to
move the modem to channels of the RLBG.
The following factors will prevent a cable modem from being steered to an RLBG:
Dynamic Load Balancing is disabled at the C4/c CMTS.
Dynamic Load Balancing is disabled for the load balancing group to which the modem belongs.
The cable modem has an OUI that is on the list of OUIs excluded from load balancing.
The cable modem has a policy that is disabled or is set for static load balancing only.
The restricted load balance group has a policy that is disabled or is set to static load balancing only.
The cable modem is on the failed list and has failed to move to all the channels in its restricted load balance group.
The following set of CLI commands provides an example of how to configure an RLBG:
configure interface cable-mac 1 cable load-balance group 100
configure interface cable-mac 1 cable load-balance group 100 enable
configure interface cable-mac 1 cable load-balance group 100 init-technique ranging
configure interface cable-downstream 14/0 cable load-balance group 100
configure interface cable-upstream 1/0.0 cable load-balance group 100
Note: If no init-technique is set then the default is broadcast-ranging, except for the case of 2.0B or 3.0 CMs which must
get an initialization technique of reinit-mac.
Unlike general groups, restricted groups do not have MD-CM-SGs or fiber nodes assigned to them.
A modem can be associated with an RLBG using one of the following mechanisms.