DGS-3024 Gigabit Ethernet Switch Manual
Figure 10- 9. Rx Error Analysis window (table)
The following fields can be set:
Parameter Description
Time Interval
Select the desired setting between
1s
and
60s
, where "s" stands for seconds. The default value
is one second.
Record Number
Select the number of times the Switch will be polled between
20
and
200
. The default value is
20
.
CrcError
Counts otherwise valid packets that did not end on a byte (octet) boundary.
UnderSize
The number of packets detected that are less than the minimum permitted packets size of 64
bytes and have a good CRC. Undersize packets usually indicate collision fragments, a normal
network occurrence.
OverSize
Counts packets received that were longer than 1518 octets, or if a VLAN frame is 1522 octets,
and less than the MAX_PKT_LEN. Internally, MAX_PKT_LEN is equal to 1522.
Fragment
The number of packets less than 64 bytes with either bad framing or an invalid CRC. These are
normally the result of collisions.
Jabber
The number of packets with lengths more than the MAX_PKT_LEN bytes. Internally,
MAX_PKT_LEN is equal to 1522.
Drop
The number of packets that are dropped by this port since the last Switch reboot.
Show/Hide
Check whether or not to display Crc Error, Under Size, Over Size, Fragment, Jabber, and Drop
errors.
Clear
Clicking this button clears all statistics counters on this window.
View Table
Clicking this button instructs the Switch to display a table rather than a line graph.
View Line Chart
Clicking this button instructs the Switch to display a line graph rather than a table.
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Summary of Contents for DGS-3024
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