D
EFINING
T
HRESHOLD
F
ORMULAS
7-11
Threshold Formula
The threshold formula uses Backus-Naur Form (BNF) as follows:
Threshold::=
SimpleExpression|
ComplexExpression|
<NULL>
-- Nothin
g
SimpleExpression::=Variable rel_op Value
Variable::= "R"|
-- Value of data
"H"|
-- Changes in data per hour
"M"|
-- Changes in data per minute
"S"
-- Changes in data per second
rel_op::=
">"|
-- Greater than
"<"|
-- Less than
">="|
-- Greater than or Equal to
"<="|
-- Less than or Equal to
"=="|
-- Equal
"!="|
-- Unequal
Value::=<INTEGER VALUE>|
-- Number represented in decimal digits, within the range of a 4-byte unsigned
integer.
ComplexExpression::=
"(" SimpleExpression ")"|
"(" ComplexExpression ")"|
ComplexExpression logic_op ComplexExpression
logic_op::="AND"|"OR"
Threshold Formula Syntax
The threshold formula can be a simple or complex expression.
Содержание ELITEVIEW
Страница 1: ...MANAGEMENT GUIDE EliteViewTM 6 20 SNMP Based Network Management Softwarefor Windows ...
Страница 2: ......
Страница 8: ...iv ...
Страница 20: ...INTRODUCTION 1 4 ...
Страница 66: ...NETWORK TOOLS 5 18 ...
Страница 106: ...COLLECTING DATA WITH LOG MANAGER 7 22 ...
Страница 121: ...RMON UTILITIES 9 7 ...
Страница 156: ...TYPICAL ELITEVIEW APPLICATIONS A 8 ...
Страница 180: ...TECHNICAL REFERENCES D 4 ...
Страница 188: ...SPECIFICATIONS F 4 ...
Страница 222: ...ERROR MESSAGES I 30 ...
Страница 231: ......