Cisco Broadband Cable Command Reference Guide

Chapter 2 Cisco Cable Modem Termination System Commands
show cable flap-list
Syntax Description
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Cisco Broadband Cable Command Reference Guide
show cable flap-list
To display the cable flap-list on a Cisco CMTS, use the show cable flap-list command in privileged
EXEC mode.
show cable flap-list
Command Modes Privileged EXEC
Command History
show cable flap-list cable {slot/port | slot/subslot/port} [upstream port] [sort-flap | sort-time]
show cable flap-list sort-interface [sort-flap | sort-time]
cable slot/port (Optional) Displays the flap list for a particular cable interface on the
Cisco uBR7100 series and Cisco uBR7200 series routers.
On the Cisco uBR7100 series router, the only valid value is 1/0. On the
Cisco uBR7200 series router, slot can range from 3 to 6, and port can
be 0 or 1, depending on the cable interface.
cable slot/subslot/port (Optional) Displays the flap list for a particular cable interface on the
Cisco uBR10012 router. The following are the valid values:
slot = 5 to 8
subslot = 0 or 1
port = 0 to 4 (depending on the cable interface)
upstream port (Optional) Displays the flap list for a particular upstream on the
selected cable interface.
sort-interface (Optional) Displays the flap list for all cable interfaces, sorted by
interface.
sort-flap (Optional) Sorts the list by the number of times the CM has flapped.
sort-time (Optional) Sorts the list by the most recent time the CM is detected to
have flapped.
Release Modification
11.3 NA This command was introduced.
12.0(3)T This command was supported on the Cisco mainline release.
12.0(7)XR and The output of this command was enhanced to show that the Cisco CMTS has
12.1(1a)T1
detected an unstable return path for a particular CM and has compensated
with a power adjustment. An asterisk (*) appears in the power adjustment
field for a modem when a power adjustment has been made; an exclamation
point (!) appears when the CM has reached its maximum power transmit
level and cannot increase its power level further.
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