Hi Could you please tell me, why my RADIUS server doesnt find reply (status-check via using "request" ) from 3rd party RADIUS server ? The PCAP file (contains correct response for Accounting Requests from 3rd party RADIUS server) is in the attachment. Thank you very much. Proxy configuration for the 3rd party RADIUS server: ... WARNING: Ignoring "response_window = 30.000000", forcing to "response_window = 5.000000" home_server ssed_server3_prod { ipaddr = 10.14.135.19 port = 1812 type = "auth+acct" secret = <<< secret >>> response_window = 30.000000 response_timeouts = 1 max_outstanding = 65536 zombie_period = 40 status_check = "request" ping_interval = 30 check_interval = 6 check_timeout = 4 num_answers_to_alive = 3 revive_interval = 300 username = "orange-system" password = "incorrect" limit { max_connections = 16 max_requests = 0 lifetime = 0 idle_timeout = 0 } coa { irt = 2 mrt = 16 mrc = 5 mrd = 30 } } ... Radius log: Tue Aug 11 08:56:31 2015 : Proxy: No outstanding request was found for reply from host 10.14.135.19 port 1813 - ID 66 Tue Aug 11 08:56:35 2015 : Error: No response to status check 2041440 for home server 10.14.135.19 port 1813 Tue Aug 11 08:56:39 2015 : Proxy: No outstanding request was found for reply from host 10.14.135.19 port 1813 - ID 43 Tue Aug 11 08:56:43 2015 : Error: No response to status check 2041671 for home server 10.14.135.19 port 1813 Tue Aug 11 08:56:43 2015 : Proxy: No outstanding request was found for reply from host 10.14.135.19 port 1813 - ID 208 Tue Aug 11 08:56:47 2015 : Error: No response to status check 2041801 for home server 10.14.135.19 port 1813 Tue Aug 11 08:56:49 2015 : Proxy: No outstanding request was found for reply from host 10.14.135.19 port 1813 - ID 247 Tue Aug 11 08:56:53 2015 : Error: No response to status check 2041965 for home server 10.14.135.19 port 1813 Tue Aug 11 08:56:54 2015 : Proxy: No outstanding request was found for reply from host 10.14.135.19 port 1813 - ID 223 Tue Aug 11 08:56:58 2015 : Error: No response to status check 2042114 for home server 10.14.135.19 port 1813 Tue Aug 11 08:56:58 2015 : Proxy: No outstanding request was found for reply from host 10.14.135.19 port 1813 - ID 100 Tue Aug 11 08:57:02 2015 : Error: No response to status check 2042235 for home server 10.14.135.19 port 1813 Tue Aug 11 08:57:06 2015 : Proxy: No outstanding request was found for reply from host 10.14.135.19 port 1813 - ID 206 Tue Aug 11 08:57:10 2015 : Error: No response to status check 2042456 for home server 10.14.135.19 port 1813 Tue Aug 11 08:57:14 2015 : Proxy: No outstanding request was found for reply from host 10.14.135.19 port 1813 - ID 128 Tue Aug 11 08:57:18 2015 : Error: No response to status check 2042679 for home server 10.14.135.19 port 1813 Tue Aug 11 08:57:18 2015 : Proxy: No outstanding request was found for reply from host 10.14.135.19 port 1813 - ID 94 Tue Aug 11 08:57:22 2015 : Error: No response to status check 2042816 for home server 10.14.135.19 port 1813 Tue Aug 11 08:57:25 2015 : Proxy: No outstanding request was found for reply from host 10.14.135.19 port 1813 - ID 96 Tue Aug 11 08:57:29 2015 : Error: No response to status check 2042996 for home server 10.14.135.19 port 1813 Tue Aug 11 08:57:30 2015 : Proxy: No outstanding request was found for reply from host 10.14.135.19 port 1813 - ID 30 Tue Aug 11 08:57:34 2015 : Error: No response to status check 2043142 for home server 10.14.135.19 port 1813 Tue Aug 11 08:57:35 2015 : Proxy: No outstanding request was found for reply from host 10.14.135.19 port 1813 - ID 150 Tue Aug 11 08:57:39 2015 : Error: No response to status check 2043279 for home server 10.14.135.19 port 1813 Tue Aug 11 08:57:40 2015 : Proxy: No outstanding request was found for reply from host 10.14.135.19 port 1813 - ID 172