Hello Ana -
On Wed, 15 Nov 2000, ana belen calvo wrote:
>
> Hi,
>
> I don't have very clear What is the NAS?.The another day I was reading documentacion
>about it in
>
> www.livingston.com/tech/docs/radius/proxy.html
>
NAS = network access server.
> How does the NAS authenticate?
>
The NAS uses the RADIUS protocol to authenticate.
> The NAS (NETWORK ACCESS SERVER) forwards an authentication
request to remote Radius Server and return the remote server's reply to the
NAS. >
The NAS sends an Access-Request to the RADIUS server which replies with either
an Access-Accept or an Access-Reject.
> How does the NAS account?
>
The NAS sends Accounting-Requests to the RADIUS server.
> The forwarding server is my RADIUS SERVER?
>
A RADIUS server may or may not be configured as a PROXY, as required in your
environment. If so, then yes the RADIUS server is the forwarding server.
> The NAS sends an accounting-request to the forwarding
> the forwarding server(radius server) writes the request to its account log
> the forwarding server forwards the request to the remote server
> the remote server records the request
> the remote server sends the accounting response to the NAS
>
> I think so, The NAS is the first server in the chain
>
The NAS sends its requests to the RADIUS proxy, the proxy forwards to the
remote, the remote replies to the proxy, and the proxy replies to the NAS.
I encourage you to read the RFC's (2865 and 2866).
regards
Hugh
--
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