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ADC Telecommunications, Inc.
466 C
HAPTER 19: MANAGING CABLE MODEMS
Managing Flap Lists
The flap list monitors the cable modems that have connectivity problems.
Flapping refers to the rapid disconnecting and reconnecting of a cable
modem experiencing problems holding a connection.
The function of the flap list includes:
■ Maintaining entries for cable modems that completed registration and
subsequently reset.
■ Logging the time of the most recent activity of the cable modem by MAC
address.
Viewing the Flap List
To display the flap list for a specific cable interface, perform the following
tasks:
Task Command
1. Display the flap list for a specified
cable interface.
or
show interface cable <c/s/i> flap-list
1. Sort the flap-list display by flap
count.
show interface cable <c/s/i> flap-list
sortbyflapcnt
2. Sort the flap-list display by time. show interface cable <c/s/i> flap-list
sortbytime