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Chapter 3
Cisco CMTS Show Commands
Router#
Table 3-31
Table 3-31 show cable modem Field Descriptions
Field
MAC Address
Vendor
Interface
Spoof Count
TFTP Dnld
Dynamic Secret
You can also add a timestamp to show commands using the exec prompt timestamp command in line
Tip
configuration mode.
Related Commands
Command
cable dynamic-secret
cable modem vendor
cable shared-secondary-
secret
cable shared-secret
cable tftp-enforce
clear cable modem lock
show cable modem
OL-1581-08
describes the fields shown by the show cable modem rogue command.
Description
The MAC address for the CM.
Vendor name for this cable modem, as configured using the cable modem
vendor command.
The cable interface line card providing the upstream for this CM.
Number of times that this cable modem has attempted to register with an
invalid dynamic shared-secret value.
To account for possible network problems, such as loss of packets and
Note
congestion, the Cisco CMTS will allow a cable modem to attempt to
register twice before marking it as having failed the dynamic shared-
secret authentication checks.
Whether TFT downloads are enforced, as configured by the cable tftp-
enforce command.
The dynamic shared-secret for this cable modem.
Description
Enables the Dynamic Shared Secret feature, so that DOCSIS configuration
files are verified with a Message Integrity Check (MIC) that has been
created with a dynamically generated shared secret.
Associates the name of a vendor with its Organizational Unique Identifier
(OUI).
Configures one or more secondary shared secret keys that CMs can use to
successfully process the DOCSIS configuration file and register with the
CMTS.
Configures an authentication shared secret key that CMs must use to
successfully process the DOCSIS configuration file and register with the
CMTS.
Requires that all CMs on a cable interface attempt to download a DOCSIS
configuration file using the Trivial File Transfer Protocol (TFTP) through
the cable interface before being allowed to register and come online.
Resets the lock on one or more CMs, and reinitializes them, so that they
can reregister with a valid DOCSIS configuration file.
Displays information for the registered and unregistered CMs.
Cisco Broadband Cable Command Reference Guide
show cable modem rogue
3-117
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