Cisco Systems uBR7200 manual Setting Cable Flap List Size, Clearing Cable Flap List, MC-606

Configuring Headend Broadband Access Router Features

Troubleshooting Using Cable Flap Lists

Setting Cable Flap List Size

You can specify the maximum number of cable modems that can be listed in the cable flap list tables. The valid range is from 1 to 8192 cable modems. The default is 8192 cable modems.

To specify the maximum number of cable modems that can be recorded in the flap list, use the following command in global configuration mode:

Command	Purpose
CMTS01(config)# cable flap-list size number	Specifies the maximum size of the flap list.

Verifying Cable Flap List Size

To verify the cable flap list size, enter the show cable flap list command:

CMTS01# show cable flap list
Mac Addr	CableIF	Ins	Hit	Miss	CRC	P-Adj	Flap	Time
0010.7b6b.5d1d	C3/0 U0	0	688	169	0	0	3	Nov 5	12:28:50
0010.7b6b.5e15	C3/0 U0	1	707	185	0	0	5	Nov 5	12:29:52
0010.7b6b.5e27	C3/0 U0	1	707	198	0	0	5	Nov 5	12:29:55
0010.7b6b.5d29	C3/0 U0	1	709	205	0	0	5	Nov 5	12:29:52
0010.7b6b.5e2b	C3/0 U0	1	710	204	0	0	7	Nov 5	12:30:16

Clearing Cable Flap List

To remove a single cable modem from the flap list or to remove all cable modems from the flap list, use one of the following commands in global configuration mode:

Command	Purpose
CMTS01(config)# clear cable flap-list mac-addr	Clears the entries in the cable flap list for the cable modem with
	this MAC address.
or	Clears the entries for all of the cable modems in the flap list.
CMTS01(config)# clear cable flap-list all

Cisco IOS Multiservice Applications Configuration Guide

MC-606