debug cable-modem error
Configuring the Cisco uBR900 Series Cable Access Routers 123
debug cable-modem error
Use the the debug cable-modem error command in privileged EXEC mode to enable debugging
messages for the cable interface driver. To turn the debugging messages off, use the no form of this
command.
[no] debug cable-modem error
Syntax Description
This command has no keywords or arguments.
Defaults
No default behavior or values.
Command Modes
Privileged EXEC
Command History
Usage Guidelines
This command displays detailed output about the sanity checking of received frame formats, the
acquisition of downstream QAM/FEC lock, the receipt or non-receipt of SYNC messages from the
CMTS, reception errors, and bandwidth request failures.
Examples
The following example shows sample display output for the debug cable-modem error privileged
EXEC command:
uBR924# debug cable-modem error
*Mar 7 20:16:29: AcquireSync(): Update rate is 100 Hz
*Mar 7 20:16:30: 1st Sync acquired after 1100 ms.
*Mar 7 20:16:30: Recovery loop is locked (7/9)
*Mar 7 20:16:30: 2nd Sync acquired after 100 ms.
*Mar 7 20:16:30: Recovery loop is locked (10/15)
Release Modification
11.3 NA This command was introduced.