Radius Client

if we use external radius server, which device should be configured as the radius client in the Radius server is it the Access switch or the Stellar Aps if our OV is Radius then all managed devices will taken as radius client with secret key of 123456

Either each AP will send requests directly to external Radius server; or OV2500 UPAM will act as Radius proxy. Both modes are supported. Reffering to Enterprise mode; no VC VIP