P-971M User’s Guide

Chapter 4 SNMP Event Log

34

What follows is a short explanation of the more common error and warning messages you are 
likely to see in the 

Description

 field while debugging the connection between the P-971M and 

the CMTS. Refer to DOCSIS 2.0 for additional information on SNMP status messages for 
cable modems. Error and warning messages are shown in 

boldface

 type.

DHCP Warning - Non-critical field invalid in response (Critical).

The P-971M has received a response to its DHCP request from the cable operator’s CMTS, 
but the responding DHCP server did not include all of the required fields in the message. This 
message might also appear if one of the required fields in the DHCP message contains an 
invalid value. Reconfigure the DHCP server so that it sends all of the required fields.

DHCP ERROR - The DHCP response does not contain all of the required 

fields or the PS (Portal Services) is unable to determine provisioning mode.

The P-971M has received a response to its DHCP request from the cable operator’s CMTS, 
but the responding DHCP server did not include all of the required fields in the message. 
Please refer to appendix C of the DOCSIS 1.0 RF specification

, 

appendix D of the DOCSIS 

1.1 RF specification, appendix D of the DOCSIS 2.0 RF specification, and RFC 868 for 
further information. Reconfigure the DHCP server so that it sends all of the required fields.

SYNC Timing Synchronization failure - Failed to acquire FEC framing 

(Critical)

When attempting to lock on to the downstream channel your P-971M could not acquire 
forward error correction (FEC) framing. 

SYNC Timing Synchronization failure - Failed to acquire MAC framing 

(Critical)

Your P-971M attempted to lock on to the downstream channel and was able to acquire 
forward error correction (FEC) framing, but then failed to lock on to media access control 
(MAC) framing. Note that this is not an ethernet MAC frametype.

Critical

2

Immediate attention is needed to avoid a system or 

connection failure.

Error

3

Attention is needed to avoid possible future system or 

connection failures.

Warning

4

System attention is needed in the near future. Failure to solve 

this warning can lead to further system problems,

Notice

5

Normal status. System administrators take notice.

Informational

6

Informational message only. May or may not be significant.

Debug

7

System debugging is turned on.

Table 3   

Error Message Severity Levels - Priority Field.

ERROR CLASS

LEVEL NUMBER

DESCRIPTION