C
A
GGREGATING
D
EVICES
Overview
129
Default Aggregation
Specifying an Aggregation Policy
130
U
SING
THE
S
UBNETS
DB F
ILE
Using the SubnetsDB File
133
How Subnet Grouping Works
135
E
UTOMATIC
TTRIBUTE
SSIGNMENT
137
Contents of the User-defined Attributes Configuration File
138
File Format
139
Performing Attribute Assignment
140
Using the fileattrs Program
Configuration File Format
Running fileattrs
141
How fileattrs Works
Using the dblookup Program
142
Lookup Database Structure
Default Values
143
Access Database
Excel Worksheet
144
Excel Workbook
Running dblookup
How dblookup Works
Writing your own program
145
Structure of an Attribute Lookup Program
Writing and Building Your Own Attribute Lookup Program
147
Testing Attribute Lookup Programs
149
F
UPPORTED
RMON-2 D
3Com Agents
151
Supported Interface Types