Hi All, I've had a scan of the archives and the Internet; I wish to deploy two new FreeRADIUS servers for a new network. I don't need fancy floating IPs like with LVS, incoming requests are load-balanced across both server IPs (but the session are "sicky" in that they always go to the same RADIUS once established). So all I need (I believe) is master-master MySQL replication so that authentication can be made against either RADIUS and updates like new users etc are replicated beween the two. For many people "master-master" is a bad phrase, is anyone doing this successfully? Post reading all I seem to need is the power of auto_increment_offset and auto_increment_increment to make my MySQL repliation safe from PK clashing issues. Can anyone who is doing this confirm what they have done or have you tried this and it failed terribly? If you have two servers for load-balacning how have you done it if you are using a different configuration? Cheers, James.