Maximum limit for clients.

Phil Mayers p.mayers at
Mon Apr 30 13:53:02 CEST 2012

On 30/04/12 12:08, Sharad P wrote:
> Hi,
> I have been using Radius server downloaded from website from
> quite a long time. For creating user id and password required for my clients
> to authenticate with my radius server, I usually configure user id and
> password using following command in user.conf file present in radius server.
> <user id>  Cleartext-Password := "<password>"
> My queries are listed below.
> 1. I wanted to know whether, there is any limit for such configurations? How
> many user id's and password can be added to the file?

Lots and lots. The users file is parsed into a tree structure 
internally; it will be searched very quickly.

This has been discussed on the list; search the archives. If I recall, 
it's many tens of thousands.

> 2. If we want to increase the limit, then what are the available options?

You shouldn't need to.

> 3. What is the normal CPU and memory usage of device where Radius server is
> installed and running? And what is the usage when maximum clients try to
> authenticate with the Radius.

There's no way to answer that question. It is too vague.

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