Hi, I found the strange acct log below, pls help to rectify this problem. The frameipaddress of start packet is different from stop packet. Mon Dec 23 20:41:17 2002 User-Name = "John" NAS-IP-Address = 192.x.x.154 Acct-Status-Type = Start Acct-Session-Id = "202508714" Acct-Delay-Time = 0 Acct-Authentic = RADIUS Service-Type = Framed-User NAS-Port-Type = Async NAS-Port = 3091 Calling-Station-Id = "xxxxxxx" Called-Station-Id = "xxxxxxx" Framed-Protocol = PPP Framed-IP-Address = 210.x.x.252 Stripped-User-Name = "john" Realm = "NULL" Client-IP-Address = 192.x.x.154 Acct-Unique-Session-Id = "1ec4c1cb8bec349f" Timestamp = 1040647277 Mon Dec 23 20:42:20 2002 User-Name = "john" NAS-IP-Address = 192.x.x.154 Acct-Status-Type = Stop Acct-Session-Id = "202508714" Acct-Delay-Time = 0 Acct-Authentic = RADIUS Service-Type = Framed-User NAS-Port-Type = Async NAS-Port = 3091 Calling-Station-Id = "xxxxxxx" Called-Station-Id = "xxxxxxx" Framed-Protocol = PPP Framed-IP-Address = 210.x.x.159 Acct-Session-Time = 69 Acct-Terminate-Cause = Lost-Carrier Acct-Input-Octets = 3643 Acct-Output-Octets = 1868 Acct-Input-Packets = 53 Acct-Output-Packets = 25 Stripped-User-Name = "john" Realm = "NULL" Client-IP-Address = 192.x.x.154 Acct-Unique-Session-Id = "3a5ffe8ce3c22de6" Timestamp = 1040647340 Regards, Kenny