xStack® DGS-3120 Series Managed Switch Web UI Reference Guide
290
Figure 11–11 RX Error Analysis window (table)
The fields that can be configured are described below:
Parameter
Description
Unit
Select the unit you want to configure.
Port
Use the drop-down menu to choose the port that will display statistics.
Time Interval
Select the desired setting between
1s
and
60s
, where "s" stands for seconds. The
default value is one second.
Record Number
Select number of times the Switch will be polled between
20
and
200
. The default value
is
200
.
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 valid packets received that were longer than 1518 octets and less than the
MAX_PKT_LEN. Internally, MAX_PKT_LEN is equal to 1536.
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
Counts invalid packets received that were longer than 1518 octets and less than the
MAX_PKT_LEN. Internally, MAX_PKT_LEN is equal to 1536.
Drop
The number of packets that are dropped by this port since the last Switch reboot.
Symbol
Counts the number of packets received that have errors received in the symbol on the
physical labor.
Show/Hide
Check whether or not to display CRCError, UnderSize, OverSize, Fragment, Jabber,
Drop, and SymbolErr errors.
Click the
Apply
button to accept the changes made for each individual section.
Click the
Clear
button to clear all statistics counters on this window.
Click the
View Table
Click the
link to display the information in a table rather than a line graph.
View Graphic
link to display the information in a line graph rather than a table.
Transmitted (TX)
Summary of Contents for xStack DGS-3120-24TC
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