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Chapter 5
Cisco CMTS Debugging Commands
debug cable dci
To display information about DOCSIS 1.1 Device Class Identification (DCI) messages, use the debug
cable dci command in privileged EXEC mode. To disable debugging output for DCI messages, use the
no form of this command.
Syntax Description
This command has no arguments or keywords.
Command Modes
Privileged EXEC
Command History
Release
12.1(4)CX
12.2(4)BC1
Usage Guidelines
This command shows debugging messages about the DCI-REQ messages that the Cisco CMTS receives
from CMs.
See the DOCSIS 1.1 specification (revision SP-RFIv1.1-I05-000714 and above) for additional
Note
information on the DCI-REQ, DCI-RSP, and Upstream Transmitter Disable (UP-DIS) messages.
Examples
The following example shows typical output displayed by the debug cable dci command:
Router# debug cable interface c3/0
Router# debug cable dci
CMTS dci debugging is on
Router#
DCI-REQ: CM->1234.5678.abcd SID->1
Device Class 1st half->0000000000000000 Device Class 2nd half->0000000000000001
Related Commands
cable dci-response
cable dci-upstream-disable
OL-1581-08
debug cable dci
no debug cable dci
Modification
This command was introduced for DOCSIS 1.1 operation.
Support was added to the Release 12.2 BC train.
Configures how a cable interface responds to DCI-REQ messages
coming from CMs on that interface.
Configures the cable interface so that it sends an Upstream
Transmitter Disable (UP-DIS) message in response to a DCI-REQ
message from a particular CM.
Cisco Broadband Cable Command Reference Guide
debug cable dci
5-19
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