OneSight Administrator Guide

Modifying System Definitions
discovery. Click Browse to display the MIB browser for
searching for the object.
Perl Expression – Enter a Perl expression if you want to further
qualify the results returned by the discovery request. Refer to
Using Regular Expressions for Pattern Matching in Chapter 5
for more information about regular expressions.
The following option is available on the SNMP tab for individual
components.
Search for string – This field is automatically filled in as a result
of discovery based on the Object ID and Perl expression that
were entered.
Web Server System Information
When you add a new web server component, you must add
information to the Properties tabs to configure the data sources that
OneSight metrics use to obtain information about the web server.
Note: If you are using Windows 2003/2008 with a firewall, you
must open the SNMP agent port configured on the SNMP tab (the
default is port 161), otherwise discovery may fail.
Component Tab – The Component Tab shows the name of the web
server you are configuring. Changing this name will affect the Web
Server entry on the left side of the System Editor dialog box.
Name – In the Name box, specify a meaningful name that allows
you to identify the specific web server you are adding.
Home Page Tab – The Home Page tab must be configured to specify
the IP address of the machine hosting the web server and the port
used by the web server.
IP Address – Enter the IP address of the machine hosting the web
server you are monitoring.
606 OneSight Administrator Guide