We have a setup for l2tp ADSL and other connections using freeradius. All is generally working fine - I am building some coa functionality. The good news is that this in general works fine - I have however one problem and while I can see hints on the list and on the freeradius site I would appreciate some clarification. We have currently 2 LNS Servers. Sessions to us can end up on either one of our LNS Servers. However I can't easily say which of the LNS devices to send the request to - the NAS IP we hold in radact is actually the Wholesale providers NAS IP not the LNS IP address. What I would ideally like to do (simple solution) is send the coa request to both LNS routers - one will obviously say 'no match' the other will correctly affect the session. With the pool set to failover I find that second LNS is not sent the coa as the first LNS replied (albeit saying no match), load balance works 50/50. Is there a simple way to configure coa to send the request to both here. I'm also open to any betrter routes to do this coa config is currently --- listen { type = coa ipaddr = * port = 3799 server = coa } server coa { recv-coa { update control { Home-Server-Pool := firebrick_pool } ok } send-coa { ok } } --- proxy.conf is currently: --- home_server firebrick-1 { type = coa ipaddr = 2.3.4.5 port = 3799 secret = password require_message_authenticator = no response_window = 20 zombie_period = 40 revive_interval = 120 status_check = none check_interval = 30 num_answers_to_alive = 3 coa { irt = 2 mrt = 16 mrc = 5 mrd = 30 } } home_server firebrick-2 { type = coa ipaddr = 1.2.3.4 port = 3799 secret = password require_message_authenticator = no response_window = 20 zombie_period = 40 revive_interval = 120 status_check = none check_interval = 30 num_answers_to_alive = 3 coa { irt = 2 mrt = 16 mrc = 5 mrd = 30 } } home_server_pool firebrick_pool { type = load-balance home_server = firebrick-1 home_server = firebrick-2 } --- Any pointers would be gratefully received -- Richard Palmer