(RADIATOR) AddressAllocator

[Leon Oosterwijk]

All, 

I have a question about the AddressAllocator feature in Radiator. I'm
thinking about implementing this for our dialup network. We currently have a
fair number of IP Pools that are maintained on the NAS units themselves.
This is turning into an unmanageable situation. I researched how easy it
would be to implement the Radiator ip-pool management with AddressAllocator
and <AuthBy DYNADDRESS>. Which researching I ran into a couple of issues I'd
like some clarification on before I proceed with the implementation. 

1: We have people sign up with up to four bonded (isdn) channels. How will
these three login requests that follow the first one be handles. In other
words, will radiator hand out an ip for each of the fourse requests? 
2: we have some users that dial in with the same username in different
places and into different (or the same) NAS units. Obviously username is not
enough of a unique identifier to delete pool information for. (if an needs
to be reclaimed and radiator issues a sql statement to reclaim the ip for
'username' another user dialed in under the same username would also lose
his/her ip assignment and the ip is liable to be handed out twice)
3: We currently have about 50% of the people dial in with a static ip and
the other 50% will be dynamic. How will the ippool engine know which users
to hand a dynamic ip and which ones not to. ? (currently this works by
sending both a pool statement and a Framed-IP-Address attribute. The Framed
ip address will take prededence if the ip information is not
255.255.255.254)
4: Is is possible to have the IPPOOL database definition in the
AddressAllocator point to a second (backup) database that will hold ip
information as well, incase the first one goes down.

Thank you for concidering this issues. 


Sincerely,

Leon Oosterwijk
ISDN-NET Inc. 
www.isdn.net
+1 615-221-4200 
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