Chapter 2 Installing CNS NetFlow Collection Engine
Using the CNS NetFlow Collection Engine Installation Script
For more information on planning and managing memory usage, see the“Tuning Memory Usage”section of the Cisco CNS NetFlow Collection Engine User Guide. For more information on planning and managing disk space usage, see the “Managing Disk Space” section of the Cisco CNS NetFlow Collection Engine User Guide.
Using the CNS NetFlow Collection Engine Installation Script
The CNS NetFlow Collection Engine is distributed on
•Run the install script setup.sh in the root directory of the
•Identify a partition such as /tmp that you can use to hold the CNS NetFlow Collection Engine download and image files.
Note You should verify that the partition you plan to use contains at least 200 MB of free disk space. This partition must be large enough to hold the gzipped download file, distribution files, and the temporary work files created by the installation script while it is installing the CNS NetFlow Collection Engine.
•Unzip and untar the download file.
•Run the installation script NFC_setup.sh.
The CNS NetFlow Collection Engine installation script makes the installation process as easy as possible by automatically handling new and upgrade installation issues. The installation script searches for files from a previously installed version of CNS NetFlow Collection Engine. If it detects a previously installed version, it preserves existing data and configuration files. Preserving the configuration files retains any additions or changes to the CNS NetFlow Collection Engine resource definitions or parameter settings that you might have made while using the previously installed version of CNS NetFlow Collection Engine.
Later in the installation process, the installation script allows you to specify whether you want to use the existing configuration files, or use the new configuration files. Depending on your choice, the unused files are saved in case you need them later.
The installation script also saves existing log files before clearing the logs directory during an upgrade.
Note If the installation script does not find files from a previously installed version of CNS NetFlow Collection Engine, the installation is a
Cisco CNS NetFlow Collection Engine Installation and Configuration Guide, 5.0.2
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