====== Configuration ======
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The option can be enabled in two ways:

  - Default profile: global configuration on the device, connected as a service without specifying a profile.
  - Named profile: connected as a service with the name of the profile.

<note important>For BRAS you have to use **profiles named in the Radius-Accept attributes.**</note>

===== Default profile =====

Enable the configuration parameter in ///etc/dpi/fastdpi.conf// for the default profile without a named one:

<code>ntf_server=192.168.0.18/ntf</code>

Here <nowiki>192.168.0.18/ntf</nowiki> - is the name or the address of the server((In case this parameter ends by ? or &: the parameter UrlRedir is added to the formed URL. It points to a page selected by a subscriber.)) that hosts information page.

<note important>You can include a part of the path into the address. It allows using the same server for several services.</note>

After the parameter is added, you have to restart the service:
<code>service fastdpi restart</code>

In this case management is carried out through connecting service 6 without specifying a profile:
<code>fdpi_ctrl load --service 6 --ip 192.168.0.1
fdpi_ctrl load --service 6 --login user01</code>

===== Named profile =====
To work with a named profile, you do not need to specify the ntf_server parameter. The configuration is described in the service management section.\\
The maximum number of profiles for notification is set by the configuration parameter in ///etc/dpi/fastdpi.conf//

<code>max_profiles_ntf=65535</code>
Here 65535 is a default value and the upper limit.

<note warning>This is a cold parameter and requires a restart of fastdpi.</note>

===== Logs =====
Service status change (automatic shutdown) is recorded in the log, which is enabled by the setting
<code>ajb_save_chnprg=1</code>

For this log you can configure the following parameters (in the example the default value is specified):
<code ini>ajb_chnprg_path=/var/dump/dpi #место размещения файлов с записью
ajb_chnprg_fsize=1073741824 #максимальный размер лога
ajb_chnprg_ftimeout=10 #периодичность записи в минутах
ajb_chnprg_bufsize=32768 #размер внутреннего накопительного буфера
ajb_save_chnprg_format=ts:prg:ipsrc #формат записи где ts - временная метка, prg - id активных в данных момент сервисов, ipsrc - IP адрес источника запроса (абонента)</code>

Changes of service status is also recorded in the [[en:dpi:dpi_options:opt_li|clickstream]] in the prg field.