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Chapter 2
Cisco CMTS Configuration Commands
Router#
Note
In this example, the shared-secret string is initially entered as clear text, but because the service
password-encryption command has been used, the string is encrypted in the configuration file.
The following example shows how to remove the use of a shared-secret encryption key on a cable
interface. That particular interface then ignores any shared-secret that is used when calculating the MD5
checksum:
Router# config t
Router(config)# int c6/0
Router(config-if)# no cable shared-secret
Router(config-if)# end
Router#
Related Commands
Command
cable dynamic-secret
cable shared-secondary-
secret
cable tftp-enforce
OL-1581-08
Description
Enables the dynamic shared secret feature, so that DOCSIS
configuration files are verified with a dynamically generated shared
secret.
Configures one or more secondary shared-secret keys that CMs can 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.
Cisco Broadband Cable Command Reference Guide
cable shared-secret
2-221
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