Cisco Systems UBR904 manual no debug cable-modem error, Usage Guidelines, Sample Display

Debug Commands

debug cable-modem error

Use the the debug cable-modem for the cable interface driver. The

error Privileged EXEC command to enable debugging messages no form of this command turns debugging messages off.

[no] debug cable-modem error

Usage Guidelines

This command first appeared in Cisco IOS Release 11.3 NA.

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.

Sample Display

Figure 6 shows sample display output for the debug cable-modem error command.

Figure 6		Sample Debug Cable-Modem Error Output
uBR904#		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)

Related Commands

debug cable-modem bpkm debug cable-modem bridge debug cable-modem interrupts debug cable-modem mac debug cable-modem map

46Release 11.3(4)NA