D-Link DHS-3224V Switch User’s Guide
Figure7- 53. Rx Error Analysis window (Table)
The information is described as follows:
Time Interval | Select the desired setting between 1s and 60s, where “s” stands for | |
seconds. The default value is one second. | ||
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Record Number | Select number of times the Switch will be polled between 20 and 200. | |
The default value is 20. | ||
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CRCError | Counts otherwise valid frames that did not end on a byte (octet) | |
boundary. | ||
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| The number of frames detected that are less than the minimum | |
UnderSize | permitted frame size of 64 bytes and have a good CRC. Undersize | |
frames usually indicate collision fragments, a normal network | ||
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| occurrence. | |
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OverSize | Counts packets received that were longer than 1518 octets, or if a | |
VLAN frame, 1522 octets and less than the MAX_PKT_LEN. Internally, | ||
| MAX_PKT_LEN is equal to 1522. | |
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Fragment | The number of packets less than 64 bytes with either bad framing or an | |
invalid CRC. These are normally the result of collisions. | ||
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Jabber | The number of frames with lengths more than the MAX_PKT_LEN | |
bytes. Internally, MAX_PKT_LEN is equal to 1522 | ||
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Drop | The number of frames which are dropped by this port since the last | |
Switch reboot. | ||
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Show/Hide | Check whether or not to display CrcError, UnderSize, OverSize, | |
Fragment, Jabber, and Drop errors. | ||
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Clear | Clicking this button clears all statistics counters on this window. | |
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View Table | Clicking this button instructs the Switch to display a table rather than a | |
line graph. | ||
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View Line Chart | Clicking this button instructs the Switch to display a line graph rather | |
than a table. | ||
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