Thanks Alan 2013/2/12 Alan DeKok <al...@deployingradius.com>: > Бен Томпсон wrote: >> I am hoping to use rlm_ippool and I would like to understand a bit >> about how it works. Firstly I want to understand the format of the >> database. > > The best approach is to look at the documentation, followed by the code.
I have had a look at the code and have been able to work out a few things. I will write my findings here, both for my own reference and for others who might ask the same questions in the future. Regarding the "active" flag: as I understand it so far, this is basically supposed to indicate whether a session (e.g. PPP,) is currently up and using this address. The theory being that the flag is set to 1 when the IP is dished out during RADIUS post-auth, and it is set to 0 when the accounting stop is recieved. I also figured out that "cli" flag is the Calling-Station-Id and this is used as an identifier in Multilink PPP sessions. It would appear that in the old days of bundling together conections with dial up modems (to get more bandwidth) it was necessary to issue the same address in mutliple authentication requests. One thing I still don't understand though is how best to use ippool for DHCP. I don't understand where and how I should call the module during a DHCP transaction. For example I can call it during DHCP-Discover, but it seems that if I call it again during DHCP-Request I might get different address even when the key is the same. I will continue to to study the code to see why this happens and if I figure it out I will report back with my findings. If anyone else knows the answers, I would be grateful hear from them. - List info/subscribe/unsubscribe? See http://www.freeradius.org/list/users.html
