The utility is designed to complement streams such as clickstream, SIP from the sessions stream (netflow) by auxiliary data.

1. add the VAS Experts repository similar to the item 1 of DPI installation manual.
2. install the rcollector:
   

   yum install -y rcollector

3. edit the configuration files in the /etc/rcollector/ directory (see further)

1. configuration examples:
   

   /etc/rcollector/ipfixreceiver2.conf - clickstream configuration example (http requests)
   /etc/rcollector/ipfixreceiverflow2.conf - configuration example for retreiving the information about sessions (netflow analogue)
   /etc/rcollector/ipfixreceiversip2.conf - configuration example for retreiving the information about sip sessions
   /etc/rcollector/rcflowprocess - example of executable file for session handling (netflow)
   /etc/rcollector/rcurlprocess - example of executable file for HTTP sessions handling
   /etc/rcollector/rcsipprocess - example of executable file for SIP sessions handling

2. program files are located within the directory:
   

   /usr/local/lib/rcollector.d/

3. auxiliary files:
   

   /etc/dpiui/port_proto.txt - information about the resolution of protocol identifier to its name, it is used by the utility to obtain the protocol text name 

4. links to the executable module:
   

   /usr/local/bin/rcollector -> symlink to the /usr/local/lib/ipfixreceiver.d/rcollector

1. create the following directories to place the ipfixreceiver and rcollector files

   example for device 111:<code>
   mkdir -p /var/dump/111/ipfixflow
   mkdir -p /var/dump/111/ipfixsip
   mkdir -p /var/dump/111/ipfixurl
   
   mkdir -p /var/collector/111/email
   mkdir -p /var/collector/111/ftp
   mkdir -p /var/collector/111/http_requests
   mkdir -p /var/collector/111/raw_flow
   mkdir -p /var/collector/111/sip
   mkdir -p /var/collector/111/ssh

2. copy the /etc/rcollector sample of configuration files to the /etc/rcollector/<NNN> directory, here the <NNN> - the device identifier

   example for device 111:<code>
   mkdir -p /etc/rcollector/111
   cp /etc/rcollector/* /etc/rcollector/111
   chmod a+x /etc/rcollector/111/rc*

3. edit the ipfixreceiver configuration files:

   In the following files: ipfixreceiver2.conf, ipfixreceiverflow2.conf, ipfixreceiversip2.conf:<code>
   1. specify the configuration of the port used to receive stream data depending on the DPI configuration, for example, for clickstream 1501:
   port=1501
   2. specify the handler for the received file, for example for the clickstream of device 111:
   processcmd=/etc/collector/111/rcurlprocess %%s
   3. specify the directory for the received files, for example for clickstream:
   dumpfiledir=/var/dump/111/ipfixurl/
   

4. edit configuration files rcollector. Example for device 111, local ASN = 47438,57451,56613,65535 specify the following variables values in rcflowprocess, rcurlprocess, rcsipprocess files:

   chome="/var/collector/111"
   cipfix="/etc/rcollector/111"
   localASN="47438,57451,56613,65535"
   devuid="111"
   here
   chome - the root directory of the resulting collector files
   cipfix - root directory of configuration files
   localASN - local autonomous systems of the communications provider 
   devuid - device number

5. create a file for log rotation

   cat /etc/logrotate.d/ipfix
   /var/log/dpiui*.log
   /var/log/rflowcollector.log
   {
       rotate 5
       missingok
       notifempty
       compress
       size 10M
       daily
       copytruncate
       nocreate
       postrotate
       endscript
   }

6. create jobs that move files to the archive or delete them as in the example:

   # dell collector data after 1.5 and 1 days
   15 * * * * /bin/find /var/collector/ -name url_\*gz -cmin +2160 -delete > /dev/null 2>&1
   05 * * * * /bin/find /var/db/rcollector/ -name \*.val -cmin +120 -delete > /dev/null 2>&1
   15 * * * * /bin/find /var/dump/ -name url_\*gz -cmin +1440 -delete > /dev/null 2>&1