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ADC Telecommunications, Inc.
376 C
HAPTER 18: CONFIGURING CABLE MODEM TERMINATION SYSTEMS
Insertion-interval
The Insertion-interval parameter specifies the interval between CMTS
transmission of Initial Maintenance (IM) intervals. This limits the amount of
time during which cable modems can request an upstream frequency from
the CMTS and join the network for the first time. By default, the automatic
setting is configured at 10 centiseconds. Acceptable values are 5 to 200
centiseconds.
Ranging-attempts
The Ranging-attempts parameter specifies the maximum number of
attempts for the CMTS to attempt ranging a modem as of tolerance or not
responding. A value of zero means the system should attempt to range
forever. By default, attempts are sent every 16 attempts per ranging period
as defined by the Periodic Ranging Timer. Acceptable values are 0 – 1024.
You set the CMTS Ranging-attempts parameter by performing the following
tasks:
Task Command
1. Enter interface cable mode. interface cable <c/s/i>
2. Configure the CMTS ranging
insertion interval.
insertion-interval <value>
Task Command
1. Enter interface cable mode. interface cable <c/s/i>
2. Configure the CMTS ranging
attempts.
ranging-attempts <value>