VAS Experts documentation dpi:qoe_analytics:implementation_administration:configuration_setup

Database user configuration

Anonymous (anonymous@undisclosed.example.com) — 2026-04-22T11:00:10+00:00

Database user configuration By default, the ClickHouse database connection uses the user default with an empty password. If necessary, you can set a username and password. To do this, on the server where QoE Stor is installed, in the file /etc/clickhouse-server/users.xml under the section:

Disk space configuration

Anonymous (anonymous@undisclosed.example.com) — 2026-04-22T11:00:10+00:00

Disk space configuration QoE Stor uses several folders for data storage: * /var/qoestor/backend/dump – stores temporary data received by receivers. After loading into the database, this data is deleted. * /var/lib/clickhouse/ – the so-called DEFAULT disk. Stores the database schema and data (raw and aggregated logs).

IPFIX export configuration from SSG to QoE

Anonymous (anonymous@undisclosed.example.com) — 2026-04-22T11:00:10+00:00

IPFIX export configuration from SSG to QoE Configuration in GUI Export configuration IPFIX export is configured in the fastdpi.conf file on the DPI. Example of minimal recommended export settings: netflow=8 netflow_dev=em1 netflow_timeout=10 netflow_full_collector_type=2 netflow_full_port_swap=0 netflow_full_collector=YOUR_QOESTOR_IP:1500 ipfix_dev=em1 ipfix_tcp_collectors=YOUR_QOESTOR_IP:1501

Fullflow raw log compression

Anonymous (anonymous@undisclosed.example.com) — 2026-04-22T11:00:10+00:00

Fullflow raw log compression Configuration in GUI SSG sends session information in IPFIX in chunks. In this case, data for a single session may be split into multiple parts and stored in the database as several rows. This creates redundant storage load, especially when long-term raw log storage is required.

IPFIX receiver configuration

Anonymous (anonymous@undisclosed.example.com) — 2026-04-22T11:00:10+00:00

IPFIX receiver configuration Configuration in GUI IPFIX receivers accept statistics from DPI: * Clickstream, Meta, DNS * Full NetFlow * GTP * NAT IPFIX receivers are configured through the .env file: /var/qoestor/backend/.env A separate receiver is configured for each stream. A standard configuration looks as follows:

NAT Flow configuration

Anonymous (anonymous@undisclosed.example.com) — 2026-04-22T11:00:10+00:00

NAT Flow configuration There are three ways to generate a NAT log in QoE Stor (statistics server): * Receive the NAT Flow as a separate stream from the SSG. To do this, configure export of translations to external collectors on the SSG device; * Receive NAT Flow from Netstream of third-party systems (not from

Sharding configuration and QoE cluster setup

Anonymous (anonymous@undisclosed.example.com) — 2026-04-22T11:00:10+00:00

Sharding configuration and QoE cluster setup QoE Stor can operate in sharding mode — horizontal cluster scaling, where parts of a single database are distributed across different shards (nodes). Sharding allows you to: * Distribute the IPFIX insertion load from multiple

Date, time, and time zone configuration

Anonymous (anonymous@undisclosed.example.com) — 2026-04-22T11:00:10+00:00

Date, time, and time zone configuration Before installing QoE Stor on the server, make sure that the correct date, time, and most importantly, the time zone are set! You can check the current date, time, and time zone using the command timedatectl