Cisco cBR 8 User Manual

• show cable modem cableinterface [upstream port] flap—Displays the flap list for all cable modems
on a specific cable interface.
The show cable modem flap command displays information similar to that shown by the show cable
flap-list command, except it displays this information on a per-modem basis.
Note
The following example shows sample output for the show cable modem flap command for a particular cable
modem:
Router# show cable modem 0010.7bb3.fcd1 flap
MAC Address I/F Ins Hit Miss CRC P-Adj Flap Time
0010.7bb3.fcd1 C5/0/U5 0 36278 92 0 369 372 Jun 1 13:05:23 (18000msec)
The following example shows sample output for the show cable modem flap command for all cable modems
on a specific cable interface:
Router# show cable modem cable 6/0/0 flap
MAC Address I/F Ins Hit Miss CRC P-Adj Flap Time
0025.2e34.4386 C6/0/0/U0 0 46778 3980 0 0 0 (14212 msec)
0025.2e2f.d4b6 C6/0/0/U0 0 48002 1899 0 0 0 (18000 msec)
0025.2e2f.d4de C6/0/0/U0 0 48098 1889 0 0 0 (19552 msec)
0023.bee1.e96b C6/0/0/U0 0 46658 4351 0 0 0 (22432 msec)
0025.2e2f.d4d8 C6/0/0/U0 0 21979 781 0 0 0 ( -- )
0025.2e2f.d48c C6/0/0/U0 0 48048 1835 0 0 0 ( -- )
0025.2e2f.d490 C6/0/0/U0 0 48029 1819 0 0 0 ( -- )
Displaying the Flap List Using SNMP
To display the contents of the flap list using SNMP, query the ccsFlapTable table in the
CISCO-CABLE-SPECTRUM-MIB. This table contains an entry for each cable modem. the table briefly
describes each attribute in this table.
Table 34: cssFlapTable Attributes
DescriptionTypeAttribute
MAC address of the cable modem’s cable
interface. Identifies a flap-list entry for a
flapping cable modem.
MacAddresscssFlapMacAddr
Upstream being used by the flapping cable
modem.
InterfaceIndexccsFlapUpstreamIfIndex
Downstream being used by the flapping
cable modem.
InterfaceIndexccsFlapDownstreamIfIndex
Time stamp for the last time the cable
modem flapped.
DateAndTimeccsFlapLastFlapTime
Time stamp that this entry was added to
the table.
DateAndTimeccsFlapCreateTime
Cisco cBR Series Converged Broadband Routers Troubleshooting and Network Management Configuration Guide
for Cisco IOS XE Fuji 16.8.x
207
Flap List Troubleshooting
Displaying the Flap List Using SNMP

Cisco cBR 8 Specifications

General

Brand	Cisco
Model	cBR 8
Category	Network Router
Language	English