Configuring Netflow Traffic Settings in IT360

Introduction:

This section is common to all the editions of IT360 - Professional Edition, Enterprise Edition [Probes] and MSP Edition [Probes]. The Netflow Traffic Settings option can be accessed by navigating to 'Admin -> Traffic -> Product Settings', and includes several configuration settings that you can configure from the user interface.

Note: Listening for NetFlow / sFlow Packets is done at Port 9996. 

Netflow Traffic Setting Options:

The various configurable Netflow Traffic settings are as follows;

Server Settings:

The below table lists the various options available under the Server Settings section.

Note: You will need to restart the ManageEngine IT360 Traffic server, after configuring some of the settings in this section.

Sl.No:
Option
Field Name
Default Value
Whether requires server restart
Description
1.
NetFlow / sFlow Listener Port Textbox
9996
Yes

The port on which NetFlow Analyzer listens for NetFlow exports. You need to configure devices to send NetFlow exports to this port. In case, you are exporting NetFlow from multiple routers, please configure multiple listener ports. You can specify upto 5 listener ports, each separated by a comma. You will need to restart the ManageEngine IT360 Traffic server, when you change the listener port.

2.
WebServer Port Textbox
8200
Yes

The port used to access NetFlow Analyzer from a web browser.

3.
Count Of Top Records to Store
Dropdown
100
No

This number governs the top N conversations that are retained for every 10 minute interval for each interface. Set it to 100, for maximum visibility into your traffic. The default record count is 100, but the minimum number of records that can be kept in the database for all traffic data is 10. This is also the maximum value that can be selected from the 'Show' box in all traffic reports.

4.
Button
-
-
Click this button, after configuring the above settings. The message: is displayed.

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DNS Settings:

Sl.No:
Option
Field Name
Description
1.
Resolve only when "Resolve DNS" link is clicked
Checkbox
DNS names may be resolved only when "Resolve DNS" is clicked.
2.
Resolve DNS names automatically by default
Checkbox

DNS names may be resolved automatically, by default.

3.
Resolved DNS count in cache
Dropdown

The DNS count could take any value from 5000, 7500, or 10,000.

4.
User defined DNS names: Add / Modify
Link
  1. Click this link to add a new or modify an existing User defined DNS Name. This value will over-ride the system resolved DNS value.

  2. Click link. Enter the DNS Name Configuration details such as, IP Address and DNS Name.

  3. Click on .

 

5.
Enable Secondary DNS Server lookup
Checkbox

Check this to enable Secondary DNS Server lookup.

Note: Lookup with secondary DNS may take longer time.

6.
Button
Click this button, after configuring the above settings. The message: is displayed.
7.
Button

Click on this button to clear all DNS entries that have been resolved by the system. The application asks for the below confirmation, before initiating the clearing action;

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