distinction between users on different AP (talking to the same radius server)

liran tal liransgarage at gmail.com
Sun Nov 19 11:17:59 CET 2006

I'll try to elaborate on this...
There are two access points deployed in two different locations, they both
speak to a central radius sever,
it looks like this:

AP1 - DHCP Address Pool
AP2 - DHCP Address Pool

Now, say user foo got connected to AP1, in the logs I will see he received
so I will know for a fact that the user is conneccting from AP1 rather than

So I'm asking if there's a better way to do this rather than by configuring
different subnets on the dhcp server of the APs.
A NASIPAddress is actually a good solution but I'm not going with that cause
I can't be sure that it's a static one (some APs
receive their "wan" interface address by DHCP which may vary all the time).

So any other ideas...

On 11/19/06, K. Hoercher <wbhoer at gmail.com> wrote:
> On 11/19/06, liran tal <liransgarage at gmail.com> wrote:
> > I want to spread several access points in different locations (they all
> talk
> > to a central radius) and then i want to distinct one location from
> another
> > for example user foo can login from either location but id like to make
> the
> > distinction from which ap he got connected from... whats the best way to
> do
> > that?
> I won't assert something about the following being the best way, but I
> would normally think of some rules in hints and/or users file matching
> on pertinent combinations of User-Name, NAS-IP-Address,
> Called-Station-Id etc. depending on the setup you actually want to
> implement.
> > I was thinking of one method which is to configure in each AP a
> different
> > subnet mask for the DHCP allocations
> > and then make the distinction based on that but I'm looking for a more
> > elegant way.
> As a side note to that: while I don't have a clear understanding of
> what the meaning of "different subnet mask"s in that context could
> possibly be, under sort of normal circumstances dhcp would happen
> after users' machines associate/authenticate on an ap.
> regards
> K. Hoercher
> -
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