Network
Element’s Fault Management
(SM-Pro-Fault)
(SM-ProUpd-Fault)
(SM-ProPlus-Fault)
Solution’s Alarms and Thresholds:
Threshold detection points could be set according to
pre-calculated optimal operational measurement values representing may be
Service Level Agreements and expectations where violations could be
reported in Real-time messages as well as in final history reports.
The Fault management script defines the following
threshold conditions:
|
Data |
Threshold Description |
|
bufferFail and bufferNoMem |
Number of device buffer memory
allocation and creation failures respectively. Ø Buffer Allocation failure alarm. If the number of allocation failures exceeds 5 hits within the specified period (15 minutes) an alarm is to be generated. Ø Buffer Creation failure alarm. If the number of Creation failure exceeds 1 hit within the specified period (15 minutes) an alarm is to be generated. |
|
dot3StatsCarrierSenseErrors |
Number of times a carrier sense condition is lost (or not asserted). Ø Carrier sense loss alarm. If the number of carrier sense loss conditions exceeds 2 hits within the specified period (15 minutes); this alarm is to be generated |
|
dot3StatsDeferredTransmissions |
Number of delayed frame transmissions due to medium unavailability. No specific Threshold values are specified; it is up to the administrator(s) to monitor those objects |
|
dot3StatsExcessiveCollisions |
Number of frame transmission failures due to excessive collisions. Ø Excessive collisions alarm. If the number of collision exceeds 0.2% of the total number of outbound packets within the specified period (15 minutes); this alarm is to be generated |
|
dot3StatsInternalMacReceiveErrors |
Number of incoming frame failures received due to an internal MAC sub layer errors. Ø MAC sub layer receive errors alarm. If the number of failures exceeds 1% of the total number of incoming frames within the specified period (15 minutes); this alarm is to be generated |
|
dot3StatsInternalMacTransmitErrors |
Number of outgoing frame to be
transmitted failures due to an internal MAC sub layer errors. Ø MAC sub layer transmit errors alarm. If the number of failures exceeds 1% of the total number of outgoing frames within the specified period (15 minutes); this alarm is to be generated |
|
locIfCarTrans, locIfCollisions, locIfInCRC, and locIfResets |
The number of Carrier transition, collisions, CRC errors, and resets seen on the particular interface. No specific Threshold values are specified; it is up to the administrator(s) to monitor those objects |
|
Network
Element’s Fault Management
|
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