Does the AR support RADIUS accounting

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The support for RADIUS accounting is as follows:
- AR routers of all versions support RADIUS authentication for NAC users.
- AR routers of V200R002C00 and later versions support RADIUS authentication for administrators.
- AR routers of V200R005C10 and later versions support RADIUS authentication for PPPoE users.
- AR routers do not support RADIUS authentication for LAC and LNS users.

Other related questions:
Does RADIUS support traffic-based accounting
The RADIUS servers of some vendors support traffic-based accounting, while the RADIUS servers of some vendors do not support. Consult the RADIUS server vendor about whether the server supports traffic-based accounting.

Do S series switches support traffic-based RADIUS accounting
For S series switches (except S1700 switches), the RADIUS servers of some vendors support traffic-based accounting, while the RADIUS servers of some vendors do not. Consult the RADIUS server vendor about whether the server supports traffic-based accounting.

Does the AR support IP accounting
The AR supports IP accounting.

Does the AR used as the LNS support RADIUS authentication
The AR that functions as the L2TP network server (LNS) supports RADIUS authentication.

Does an AR enabled with L2TP support RADIUS authentication
The L2TP Access Concentrator (LAC) and L2TP Network Server (LNS) support the RADIUS authentication (remote authentication) function to authenticate remote users. PPP sessions are initiated by user devices and received by the LNS. After being authenticated by the LNS, remote users successfully set up PPP sessions with the LNS and can access resources in the enterprise headquarters. As the other endpoint of an L2TP tunnel, the LNS is a peer device of the LAC, and sets up an L2TP tunnel with the LAC. Additionally, the LNS is the logical termination point of a PPP session; therefore, the PPP client (user device) and the LNS establish a virtual point-to-point link. An LAC provides PPP and L2TP processing capabilities on the packet switched network. The LAC establishes an L2TP connection with the LNS based on the user name or domain name in PPP packets so that PPP frames can be transmitted to the LNS.

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