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Cisco Broadband Cable Command Reference Guide
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Chapter 3 Cisco CMTS Show Commands
show cable modem offline
Cable5/0/U0 0030.946a.5d61 1 init(i) Jun 14 21:31:57 0.00 31.86 162
Router#
Table 3-26
describes the major fields shown in the
show cable modem offline
displays:
Tip
In Cisco IOS Release 12.1(12)EC, Release 12.2(8)BC1, and later releases, you can add a timestamp to
show
commands using the
exec prompt timestamp
command in line configuration mode.
Related Commands
Table 3-26 Descriptions for the show cable modem offline Fields
Field
Description
Interface
The cable interface line card that this CM last used when it was online.
MAC address
Hardware MAC address for this CM.
Prim SID
The primary SID that had been last assigned to this CM before it went offline.
Previous State
The last known state of the MAC layer for this CM before it went offline (see
Table 3-15 on page 3-60
).
Note
A pound sign (#) in the Previous State column indicates that the
cable
tftp-enforce
mark-only
command has been used to require that a CM
attempt a TFTP download of the DOCSIS configuration file before
registering, but the CM did not do so (Cisco IOS Release
12.1(11b)EC1 and Cisco IOS Release 12.2(8)BC2 or later releases).
Offline Time
The time and date that this CM last went offline.
Rx Power
The last known received power level (in dB) for the CM before it went offline.
Note
An asterisk (*) in the Rx Power column indicates that a power
adjustment was made for that CM. An exclamation point (!) indicates
that the CM had reached its maximum power transmit level and could
not increase its power level further.
Rx SNR
The last known signal-to-noise ratio (SNR) value for this CM before it went
offline.
SM Exhaust Count
Number of times that this CM has exhausted the maximum allowable retries
for not responding to the regular Station Maintenance (SM) messages sent to
it by the CMTS.
Note
Using the
clear counters
command to reset a cable interface’s counters also resets the SM
Exhaust Count field for all offline CMs to zero and resets the Offline Time field for all offline
CMs to the current time.
Command
Description
cable modem vendor
Associates the name of a vendor with its Organizational Unique Identifier
(OUI).
clear counters
Clears counters for one or all interfaces.
show cable modem
Displays information for the registered and unregistered CMs.
show cable modem
access-group
Displays the access groups for the CMs on a particular cable interface.
