====== Example of setting up a DHCP server for BNG L2-Connected ======
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A DHCP server is used to assign IP addresses to subscribers when the Framed-Pool attribute is used in Radius Access-Acсept for BRAS L2-connected. The principle of operation and configuration is described in the [[en:dpi:bras_bng:ip_pool|IP Address Pools]] section.

==== Use case description ====
The SSG (2x10G in port, 2x10G out port) is implemented in-line of 2x10G links that are aggregated in LAG. The SSG is configured in BRAS L2 PPPoE mode, NAT Pool 100.0.0.0/24 is created.
{{ dpi:qoe:use_cases:brasl2softrouter:router_scenario.png?nolink&600 |}}

DHCP server Kea configuration:

Example of authorization and IP address assignment: