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Syslog reports "Health Monitoring detects an issue on egress" and "Health Monitoring: TM Egress data errors detected" for multiple linecards of multiple types.

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TitleSyslog reports "Health Monitoring detects an issue on egress" and "Health Monitoring: TM Egress data errors detected" for multiple linecards of multiple types.
Symptoms
Syslog reports "Health Monitoring detects an issue on egress" and "Health Monitoring: TM Egress data errors detected" for multiple linecards of multiple types.
Environment
  • MLXe32
  • NI 5.6.00n
Cause
Issues with a single switching fabric module (SFM) can lead to errors detected at the TM level on multiple linecards.
Resolution
Perform an SFM walk to identify the SFM at fault.
  1. Examine the interval between messages of concern to identify the maximum interval.
  2. Physically remove SFM1.
  3. Wait at least twice the previously identified maximum message interval.
  4. If the messages reoccur during that time, reinsert the SFM and repeat the procedure with each of the other SFMs.
  5. If the messages do not reoccur while a certain SFM is removed, reinsert the SFM.
  6. If the messages reoccur with the SFM reinserted, a hardware fault in the SFM that had been removed or its slot can be suspected as a cause of the message. The next step is to replace the SFM.
  7. If messages do not reoccur after reinserting the SFM, poor seating of the SFM can be considered as the cause of the health monitoring messages.

If the MLX is not physically accessible, "power-off snm <SFM_SLOT_#>" and "power-on snm <SFM_SLOT_#>" can be used in place of physically reseating SFMs to identify the SFM at fault. However with "power-off snm <SFM_SLOT_#>" and "power-on snm <SFM_SLOT_#>", it is not possible to identify whether poor seating could be at fault.
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