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Field | Description | 
  | 
  | 
Subject | Configurable field; determines the counter to be  | 
  | polled.  | 
  | ❏ readableframes — the total number of good or  | 
  | readable frames (frames without error).  | 
  | ❏ frametoolong — the number of frames that  | 
  | were longer than 1,518 bytes.  | 
  | ❏ runts — the number of frames that were  | 
  | shorter than 64 bytes.  | 
  | ❏ alignmenterrors — the number of frames that  | 
  | were an integral number of octets in length  | 
  | and did not pass the FCS check.  | 
  | ❏ fcserrors — the number of frames that failed  | 
  | Cyclic Redundancy Check (CRC).  | 
  | ❏ dataratemismatch — the number of errors  | 
  | where the incoming data rate is not within the  | 
  | tolerance level of 10Mhz (+ or - 0.01%).  | 
  | ❏ shortevents — the number of data bursts,  | 
  | where data is less than 10 bytes in length.  | 
  | ❏ collisions — the total number of collisions.  | 
  | ❏ latecollisions — the number of collisions that  | 
  | occurred after the   | 
  | ❏ autopartitions — the number of times the port  | 
  | was automatically partitioned in response to  | 
  | 31 or more continuous collisions.  | 
  | ❏ badframes — the number of invalid frames  | 
  | (including toolong, runts, misaligned, or bad  | 
  | FCS).  | 
  | 
  | 
Sample Type | |
  | Note: This field is always set to eventpersecond and  | 
  | cannot be modified.  | 
  | 
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