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======Case 1. Creating Channel and Subscriber Profiles======

=====1. Profile Types=====
The system allows the application of various filtering lists for specified subscriber groups.
Definitions of logical objects to which rules are applied:
  - Common Channel or Default vChannel - Traffic passing through the DPI device that is not allocated to channels (vChannel). By default, this is all traffic. In the system, the Default Channel is assigned the number 1 and is defined in DPI by the parameter ''default_vhannels=1''.
  - vChannel - Defined by a list of Static and Dynamic IPprefixes. Dynamic IPprefixes are specified using a regular expression (regexp) with ASpath and BGP Community from BGP. IPprefix is bound to a specific vChannel. vChannel contains traffic from those subscribers who fall within the associated IPprefix.
  - Subscriber - Defined by a list of Static and Dynamic IPprefixes. Dynamic IPprefixes are specified using a regular expression (regexp) with ASpath and BGP Community from BGP. IPprefix is bound to a specific Login. If an IPprefix associated with a particular Subscriber overlaps with an IPprefix associated with a vChannel, policies applied to the vChannel will also affect the Subscriber. This influence can be avoided by applying personalized filtering and policing rules to the Subscriber.

Session - traffic (flow) defined by a set of parameters: IPsrc:port, IPdst:port, and protocol type (TCP, UDP, ICMP, etc.).
{{ :csg:use_case:type_of_channels_2.png?direct&800 |}}

=====2. Profile Configuration=====
====2.1. “Default Channel” Profile====
No special configuration is required. By default, this group includes all subscribers who have not been assigned to other groups. In the system, the Default Channel is assigned the number 1.

====2.2. “Channel” Profile====
Created in the “Profile Management” section under “Add new channel.”
{{ :csg:use_case:add_channel.png?direct&400 |}}

  - Fill in the required fields, and select the location from the list.
  - The **“Use Global Lists for WEB FILTER rules”** toggle refers to filtering based on the Global List. Filtering is enabled by default and can be edited at any time.
  - **In the DPI Nodes section, do not make any changes!** For standard channel setup, this configuration is not required, as all nodes are selected by default.\\ {{ :csg:use_case:dpi_nodes.png?direct&1000 |}}
  - Add prefixes. CIDR prefixes can be imported from the clipboard or a file; XLSX, CSV, and TSV extensions are supported, and multiple files can be uploaded simultaneously.\\ For channels, it is recommended to use **dynamic** prefixes configured by BGP attributes COMMUNITY and/or ASPATH (e.g., ASPATH — .*25106$).\\ {{ :csg:use_case:add_prefixes.png?direct&1000 |}}
  - Select IPv4 or IPv6 based on the found regular expression (both are used by default).

//After completing, press “Save.”//

====2.3. “Subscriber” Profile====
Is created in the “Profile Management” section under “Add new subscriber.”
{{ :csg:use_case:add_subscriber.png?direct&400 |}}
  - Fill in the required fields, and select the location from the list.
  - The **“Use Global Lists for WEB FILTER rules”** toggle refers to filtering based on the list. Filtering is enabled by default and can be edited at any time.
  - Add prefixes. CIDR prefixes can be imported from the clipboard or a file; XLSX, CSV, and TSV extensions are supported, and multiple files can be uploaded simultaneously.\\ For channels, it is recommended to use static **IP** prefixes.\\ {{ :csg:use_case:add_prefixes.png?direct&1000 |}}

//After completing, press “Save.”//

=====3. Profile Editing=====
"Channel" and "Subscriber" profiles can be managed in the corresponding subsections.
{{ :csg:use_case:editing.png?direct&400 |}}
Profiles can be temporarily disabled, deleted, or have any of their properties edited.