Finisar Surveyor - Manual (Page 431)

Glossary (continued)
Glossary-5
Detail View
The primary monitoring view for a single network resource. Multiple views of each
resource can display in the Detail View.
Device
A single hardware device that provides data to Surveyor.
Display Filter Window
A window for defining display filters.
DRAM
Direct Random Access Memory.
Drop Events
A counter that shows the total number of events in which packets were dropped by
the probe due to lack of resources. Note that this number is not necessarily the num-
ber of packets dropped; it is just the number of times this condition was detected.
Duplicate Network Address
An IP or IPX address that is discovered in packets that contain the same MAC
address.
ELSE statement
The last statement for a level in a capture filter. If no combination of conditions in
other statements for this level are met, the actions in the ELSE statement are taken.
ELSE IF statement
Statement in a capture or display filter. Always comes between an IF statement and
an ELSE statement. Provides for the specification of additional conditions and
actions for a state.
Expert Alarms
Messages posted to Surveyor indicating a certain condition has occurred or a
threshold has been reached. Expert alarms are based on a set of counters related to
Expert Symptoms or to other conditions that can signal a network problem.
Expert Diagnosis
Discussion of probable causes and possible solutions for Expert Symptoms detected
by Surveyor.
Expert Symptom
A network condition that may indicate a network problem. Expert symptoms are
detected by Surveyor’s expert logic and logged in the Expert Analysis table.