Managing flap lists, Viewing the flap list – ADC CUDA 3 User Manual

Page 468

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ADC Telecommunications, Inc.

466

C

HAPTER

19: M

ANAGING

C

ABLE

M

ODEMS

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

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