Server Settings
The Server Settings option includes several configuration settings that you can configure from the user interface
Option | Default Value | Requires server restart | Description |
---|---|---|---|
NetFlow / sFlow Listener Port | 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 seperated by a comma. You will need to restart the NetFlow Analyzer server when you change the listener port |
Webserver Port | 8080 |
yes |
The port used to access NetFlow Analyzer from a web browser |
Record Count | 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 |
DNS Settings
Option | Description |
---|---|
Resolving DNS Names | DNS names may be resolved only when "Resolve DNS"is clicked or automatically by default |
DNS count in cache | The DNS count could take any value from 5000, 7500 and 10,000 |
User Defined DNS names | User defined DNS names can be entered or modified. This value will over-ride the system resolved DNS value. |
Bulk Load DNS Name | User defined DNS names for IP addresses can be loaded using this option. The values of IP address and the corresponding DNS value are entered in a csv file and uploaded. The .csv file can be found under this directory: <NetFlow_Home>/troubleshooting/DNSNames.csv |
Clear DNS Cache | Clicking on this button will clear all DNS entries that have been resolved by the system. The application asks for a confirmation before initating the clearing action |
Performance Tuning
The performance tuning is offered to fine tune NetFlow Analyzer's performance according to your system requirement. It analyses the system capacity and recommends settings accordingly. It also allows tuning according to the user requirement.
Option | Description |
---|---|
Tuning for | Represents the value the RAM to be fine tuned |
Java Tuning | Specify the maximum and Minimum Heap Memory |
MySql Tuning | Fine tune the buffer and key pool size of MySQL |