Cisco SR2016T-NA Reference Manual page 126

cable insertion-interval
cable insertion-interval
To configure the interval between consecutive initial ranging slots on an upstream, use the cable
insertion-interval interface configuration command. To configure the automatic setting and ignore any
minimum or maximum time settings, use the no form of this command.
Syntax Description fixed-intrvl
automatic
min-intrvl
max-intrvl
Defaults Automatic (dynamically varying the frequency of initial ranging upstream slots between 50 milliseconds
and 500 milliseconds)
Command Modes
Interface configuration (cable interface only)
Command History Release
11.NA
12.1 T
Usage Guidelines Use this command to specify the minimum and maximum duration between initial ranging opportunities
that appear in MAP messages sent by the Cisco CMTS. MAP messages define the precise time intervals
during which CMs can send.
The default insertion interval setting (automatic) configures the Cisco CMTS to optimize the initial ranging
times available to new CMs that attempt to join the network. The optimization algorithm automatically varies
the initial ranging times between 50 and 500
come online.
Use the cable insertion-interval automatic command to bring a large number of CMs online quickly
(for example, after a major power failure). After the CMs have come online, you can override the
automatic keyword by giving this command again and specifying a specific insertion interval.
Cisco Broadband Cable Command Reference Guide
2-114
cable insertion-interval {fixed-intrvl | automatic [min-intrvl] [max-intrvl]}
no cable insertion-interval
Modification
This command was introduced.
This command was modified.
Fixed interval between initial ranging slots in milliseconds. The valid
range is 100 to 2000 milliseconds.
Causes the Cisco CMTS MAC scheduler for each upstream CM to vary
the initial ranging times available to new CMs joining the network.
(Optional) Minimum value in milliseconds between the initial ranging
slots on the upstream. The valid range is 20 to 120, with a default of 50
milliseconds.
(Optional) Maximum value in milliseconds between the initial ranging
slots on the upstream. The valid range is 240 to 1800, with a default of
500 milliseconds.
milliseconds, depending
Chapter 2 Cisco CMTS Configuration Commands
on the number of CMs attempting to
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