These release notes provide additional guidance for SolarWinds NetFlow Traffic Analyzer (NTA) v4.0.
NTA 4.0.1 (NTA 4.0 SR1) improving the installation procedure was released on 1/17/2014.
You must read NTA 4.0 Installation: Frequently Asked Questions before attempting to upgrade. SolarWinds NTA 4.0 improves the way we store flow data, but has significantly different system requirements than your current version:
NTA version 4.0 includes the following new features and improvements:
For more information, see NTA Flow Storage Database.
For more information, see NetFlow Traffic Analyzer Reports.
|SQL performance - high CPU||467265|
|NTA 3.8 upgrade problems||267321|
|NTA 3.9 upgrade problems||503209|
|Query in NTA resource running slowly||322310|
|Unable to modify IP address groups||202141|
|Performance issues after migration||540447|
|CBQoS Policies Issues|
|CBQoS not working for some policies||484360|
|CBQoS Issue:Cannot find parent class for policy||482798, 534199|
|Not all CBQoS classes displayed on a device||505123|
|CBQoS polling issue||528796|
|CBQoS policy used in more classes not displaying correct data||329367|
|CBQoS information not displayed||290241|
|Class-default missing in CBQoS data||506458|
|Orion Web Console Improvements|
|Better integration with Orion charts due to improved data granularity||266290|
|Orion subviews support added||-|
Performance ImpactFlow data are saved in more detail in the NTA Flow Storage Database. Displaying reports and graphs in NTA resources on summary views requires handling increased amount of data. In case of viewing data for longer time periods, such as 12 hours or more, rendering and processing the data can be slower.
|Conversations are grouped by IP addresses (not by hostnames as endpoint resources). Multiple IP addresses resolved to the same hostname are now grouped into one row in the resource.||-|
|Endpoint hostnames must comply with the RFC 952 standard; endpoint names containing other than the following characters ||-|
NTA 3.9 is entering the End-Of-Life (EOL) cycle. Please review the following support schedule:
See the SolarWinds EOL Policy online for more information.
SolarWinds is considering to end supporting NTA on 32-bit operating systems soon. Starting from one of the future versions, NTA will run only on 64-bit operating systems.
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