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12-2

The following packet counters are supported:

•

Total Frames

•

Broadcast Frames

•

Multicast Frames

•

Unicast Frames

•

Error Frames

•

Total Bytes Received

•

A breakdown of the total number of error frames is provided by the error 
counters.

Custom counters are user-defined counters established in capture filters. When a 
certain condition in the filter is satisfied, counter 1, 2, or 3 can be incremented as a 
result of one of the actions taken by the capture filter. Custom counters are available 
in capture mode only.

Custom counters are incremented in the MAC Statistics view as packets are 
captured. By setting counters, you can visually see in the MAC Statistics view how 
many frames of a certain type have been captured. 

During receive, error events are counted as they occur. The MAC statistics view and 
the table associated with the Utilization/Errors chart displays the receive error 
counters. 

Table 12-2 contains an alphabetical list, with descriptions, of Surveyor’s Ethernet 
error counters.

.

Collision Indication

The sum of CRC/Align and Fragments error counters, as these condi-
tions are usually caused by collisions. See the CRC/Align and Frag-
ments counters described below.

CRC/Align

The total number of packets received that had a length between 64 
and 1518 octets, inclusive, but had either a bad FCS with an integral 
number of octets (FCS/CRC Error) or a bad FCS with a non-integral 
number of octets (Alignment Error).