> This really should be a DHCP option which points to the authentification
> server using ip addresses.  This should be return to clients even
> if they don't request it.  Web browers could have a hot-spot button that
> retrieves this option then connects using the value returned.

Unfortunately, that's not how DHCP works. If you send the client a 
DHCP option which the client has not requested, you have no idea if
the client will use (or for that matter even *understand*) the option.

Steinar Haug, Nethelp consulting, sth...@nethelp.no

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