Hi, I try to send proxy request via freeradius-2.2.0, but as i can see in the debug output, freeradius didn`t process Accounting Response ( tcpdump shows, that server got response ) rad_recv: Accounting-Request packet from host 127.0.0.1 port 49935, id=13, length=202 X-Ascend-Dial-Number != "<U+0557>\331\025" Acct-Session-Id != "d597d91572f51ab3" Service-Type != Framed-User Called-Station-Id != "orangewap" Acct-Link-Count != 1 X-Ascend-Metric != 1928665779 Acct-Authentic != Local Acct-Status-Type != Start NAS-IP-Address != 10.64.192.1 X-Ascend-PRI-Number-Type != 8 3GPP-SGSN-Address != 213.151.252.35 Calling-Station-Id != "421905012405" X-Ascend-IPX-Alias != 4294967295 Framed-Protocol != GPRS-PDP-Context User-Name != "421905012405" NAS-Identifier != "ggsn-01-bb1.orange.sk" Acct-Multi-Session-Id != "d597d9153962de6b" Framed-IP-Address != 10.10.1.1 (2) # Executing section preacct from file /app/radius/raddb/ggsn//sites-enabled/default (2) group preacct { (2) - entering group preacct {...} (2) [preprocess] = ok (2) linelog : escape: 'Start' -> 'Start' (2) linelog : expand: '%{Acct-Status-Type}' -> 'Start' (2) linelog : expand: 'Accounting-Request.%{%{Acct-Status-Type}:-unknown}' -> 'Accounting-Request.Start' (2) linelog : expand: '/app_log/radius/ggsn/ggsn-acct.dat' -> '/app_log/radius/ggsn/ggsn-acct.dat' (2) linelog : escape: 'Start' -> 'Start' (2) linelog : escape: '421905012405' -> '421905012405' (2) linelog : escape: '10.10.1.1' -> '10.10.1.1' (2) linelog : escape: 'orangewap' -> 'orangewap' (2) linelog : escape: '10.64.192.1' -> '10.64.192.1' (2) linelog : escape: '213.151.252.35' -> '213.151.252.35' (2) linelog : escape: 'd597d9153962de6b' -> 'd597d9153962de6b' (2) linelog : expand: '%{Acct-Status-Type}:%{Calling-Station-Id}:%{Framed-IP-Address}:%{Called-Station-Id}:%{NAS-IP-Address}:%{3GPP-SGSN-Address}:%{Acct-Multi-Session-Id}:%l' -> 'Start:421905012405:10.10.1.1:orangewap:10.64.192.1:213.151.252.35:d597d9153962de6b:1355835824' (2) [linelog] = ok (2) suffix : No '@' in User-Name = "421905012405", looking up realm NULL (2) suffix : No such realm "NULL" (2) [suffix] = noop (2) files : acct_users: Matched entry DEFAULT at line 25 (2) [files] = ok (2) # Executing section accounting from file /app/radius/raddb/ggsn//sites-enabled/default (2) group accounting { (2) - entering group accounting {...} (2) attr_filter.accounting_response : expand: '%{User-Name}' -> '421905012405' (2) attr_filter.accounting_response : Matched entry DEFAULT at line 103 (2) [attr_filter.accounting_response] = updated (2) # Executing section pre-proxy from file /app/radius/raddb/ggsn//sites-enabled/default (2) group pre-proxy { (2) - entering group pre-proxy {...} (2) files : preproxy_users: Matched entry DEFAULT at line 33 (2) files : expand: '%{Called-Station-Id}.%{3GPP-SGSN-Address}' -> 'orangewap.213.151.252.35' (2) [files] = ok (2) Proxying request to home server 213.151.250.149 port 1813 Sending Accounting-Request of id 93 from 255.255.255.255 port 56347 to 213.151.250.149 port 1813 X-Ascend-Dial-Number != "<U+0557>\331\025" Acct-Session-Id != "d597d91572f51ab3" Service-Type != Framed-User Called-Station-Id = "orangewap.213.151.252.35" Acct-Link-Count != 1 X-Ascend-Metric != 1928665779 Acct-Authentic != Local Acct-Status-Type != Start NAS-IP-Address != 10.64.192.1 X-Ascend-PRI-Number-Type != 8 3GPP-SGSN-Address != 213.151.252.35 Calling-Station-Id != "421905012405" X-Ascend-IPX-Alias != 4294967295 Framed-Protocol != GPRS-PDP-Context User-Name != "421905012405" NAS-Identifier != "ggsn-01-bb1.orange.sk" Acct-Multi-Session-Id != "d597d9153962de6b" Framed-IP-Address != 10.10.1.1 Event-Timestamp != "Dec 18 2012 14:03:44 CET" Proxy-State != 0x3133 Waking up in 0.3 seconds. Waking up in 0.4 seconds. (2) Expecting proxy response no later than 14 seconds from now Waking up in 13.1 seconds. (2) No proxy response, giving up on request and marking it done (2) Failing request due to lack of any response from home server 213.151.250.149 port 1813 No Post-Proxy-Type Fail: ignoring (2) Cleaning up request packet ID 13 with timestamp +323 Ready to process requests. Here is tcp dump of the communication between freeradius and 3rdparty radius server: 14:03:44.828028 IP (tos 0x0, ttl 64, id 16529, offset 0, flags [none], proto: UDP (17), length: 255) tdrad1.vas.orange.sk.56347 > dial-250-149.orange.sk.radius-acct: [bad udp cksum 9e40!] RADIUS, length: 227 Accounting Request (4), id: 0x5d, Authenticator: 872eb1da3e3ae0c483a4ee7eec20d78c Unknown Attribute (227), length: 12, Value: 0x0000: 3c55 2b30 3535 373e d915 Accounting Session ID Attribute (44), length: 18, Value: d597d91572f51ab3 0x0000: 6435 3937 6439 3135 3732 6635 3161 6233 Service Type Attribute (6), length: 6, Value: Framed 0x0000: 0000 0002 Called Station Attribute (30), length: 26, Value: orangewap.213.151.252.35 0x0000: 6f72 616e 6765 7761 702e 3231 332e 3135 0x0010: 312e 3235 322e 3335 Accounting Link Count Attribute (51), length: 6, Value: 1 0x0000: 0000 0001 Unknown Attribute (225), length: 6, Value: 0x0000: 72f5 1ab3 Accounting Authentication Attribute (45), length: 6, Value: Local 0x0000: 0000 0002 Accounting Status Attribute (40), length: 6, Value: Start 0x0000: 0000 0001 NAS IP Address Attribute (4), length: 6, Value: 10.64.192.1 0x0000: 0a40 c001 Unknown Attribute (226), length: 6, Value: 0x0000: 0000 0008 Vendor Specific Attribute (26), length: 12, Value: Vendor: 3GPP (10415) Vendor Attribute: 6, Length: 4, Value: ...# 0x0000: 0000 28af 0606 d597 fc23 Calling Station Attribute (31), length: 14, Value: 421905012405 0x0000: 3432 3139 3035 3031 3234 3035 Unknown Attribute (224), length: 6, Value: 0x0000: ffff ffff Framed Protocol Attribute (7), length: 6, Value: #7 0x0000: 0000 0007 Username Attribute (1), length: 14, Value: 421905012405 0x0000: 3432 3139 3035 3031 3234 3035 NAS ID Attribute (32), length: 23, Value: ggsn-01-bb1.orange.sk 0x0000: 6767 736e 2d30 312d 6262 312e 6f72 616e 0x0010: 6765 2e73 6b Accounting Multilink Session ID Attribute (50), length: 18, Value: d597d9153962de6b 0x0000: 6435 3937 6439 3135 3339 3632 6465 3662 Framed IP Address Attribute (8), length: 6, Value: 10.10.1.1 0x0000: 0a0a 0101 Event Timestamp Attribute (55), length: 6, Value: Tue Dec 18 14:03:44 2012 0x0000: 50d0 69b0 Proxy State Attribute (33), length: 4, Value: 13 0x0000: 3133 14:03:44.832901 IP (tos 0x0, ttl 56, id 0, offset 0, flags [DF], proto: UDP (17), length: 52) dial-250-149.orange.sk.radius-acct > tdrad1.vas.orange.sk.56347: [udp sum ok] RADIUS, length: 24 Accounting Response (5), id: 0x5d, Authenticator: d2521d74f782356ebf2d752e94dbfc82 Proxy State Attribute (33), length: 4, Value: 13 0x0000: 3133 Peter Balšianok Data Service Operation Coordinator, Voice & Data Services Operations Orange Slovensko, a. s. Metodova 8, 821 08 Bratislava tel: +421 908 00 2405 mobil: +421 905 012 405 e-mail: peter.balsianok@orange.sk<mailto:peter.balsianok@orange.sk>