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Chapter 2
Cisco CMTS Configuration Commands
cable flap-list aging
To specify the number of days to keep a CM in the flap-list table before aging it out of the table, use the
cable flap-list aging command in global configuration mode. To disable this feature, use the no form of
this command.
Syntax Description
minutes
Defaults
10080 minutes (1 week)
Command Modes
Global configuration
Command History
Release
11.3 NA
12.0(4)XA, 12.1 T,
12.1 EC
Usage Guidelines
Flapping refers to the rapid disconnecting and reconnecting of a CM that is having problems holding its
connection to the CMTS. A flap list is a table maintained by the Cisco CMTS for every modem (active
or not) that is having communication difficulties. The flap list contains modem MAC addresses and logs
the time of the most recent activity. You can configure the size and entry thresholds for the flap list.
Examples
The following example shows how to specify that the flap-list table retain 2400 minutes (40 hours) of
performance for this CM:
router(config)# cable flap-list aging 2400
Related Commands
Command
cable flap-list
insertion-time
cable flap-list miss-
threshold
cable flap-list power-
adjust threshold
cable flap-list size
OL-1581-08
cable flap-list aging minutes
no cable flap-list aging
Modification
This command was introduced.
The days parameter was removed.
Description
Sets the insertion time interval that determines whether a CM is placed in the
flap list.
Specifies miss threshold for recording a flap-list event.
Specifies the power-adjust threshold for recording a CM flap-list event.
Specifies the maximum number of CMs that can be listed in the flap-list
table.
Specifies how long, in minutes, that a CM remains in the flap list. The
valid range is 1 to 86400, with a default of 10080 minutes.
Cisco Broadband Cable Command Reference Guide
cable flap-list aging
2-95
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