radius.logTue Aug 29 10:25:53 2006 : Auth: rlm_nibs (rlm_nibs_accounting): User `user113' logout [192.168.1.1:181]
Tue Aug 29 10:25:59 2006 : Info: rlm_nibs (rlm_nibs_accounting): Session for user `man3-113' reopened by STOP
Tue Aug 29 10:25:59 2006 : Auth: rlm_nibs (rlm_nibs_accounting): User `user113' logout [192.168.1.1:181]
Tue Aug 29 10:26:02 2006 : Info: rlm_nibs (rlm_nibs_accounting): Session for user `man3-113' reopened by STOP
Tue Aug 29 10:26:02 2006 : Auth: rlm_nibs (rlm_nibs_accounting): User `user113' logout [192.168.1.1:181]
detail.log
Tue Aug 29 10:25:59 2006
Acct-Session-Id = "0000076B"
Tunnel-Server-Endpoint:0 = "10.30.0.2"
Tunnel-Client-Endpoint:0 = "10.30.1.110"
Tunnel-Assignment-Id:0 = "1"
Framed-Protocol = PPP
Framed-IP-Address = 192.168.30.132
User-Name = "user113"
Acct-Authentic = RADIUS
Acct-Terminate-Cause = 0
Acct-Session-Time = 2836
Acct-Input-Octets = 182982
Acct-Output-Octets = 1373567
Acct-Input-Packets = 1946
Acct-Output-Packets = 2098
Acct-Status-Type = Stop
NAS-Port-Type = Virtual
NAS-Port = 181
Service-Type = Framed-User
NAS-IP-Address = 192.168.1.1
Acct-Delay-Time = 6
Client-IP-Address = 192.168.1.1
Acct-Unique-Session-Id = "22a6e27fba6b00e0"
Timestamp = 1156832759
Tue Aug 29 10:26:02 2006
Acct-Session-Id = "0000076B"
Tunnel-Server-Endpoint:0 = "10.30.0.2"
Tunnel-Client-Endpoint:0 = "10.30.1.110"
Tunnel-Assignment-Id:0 = "1"
Framed-Protocol = PPP
Framed-IP-Address = 192.168.30.132
User-Name = "user113"
Acct-Authentic = RADIUS
Acct-Terminate-Cause = 0
Acct-Session-Time = 2836
Acct-Input-Octets = 182982
Acct-Output-Octets = 1373567
Acct-Input-Packets = 1946
Acct-Output-Packets = 2098
Acct-Status-Type = Stop
NAS-Port-Type = Virtual
NAS-Port = 181
Service-Type = Framed-User
NAS-IP-Address = 192.168.1.1
Acct-Delay-Time = 9
Client-IP-Address = 192.168.1.1
Acct-Unique-Session-Id = "22a6e27fba6b00e0"
Timestamp = 1156832762
Т.е. мой NAS шлет несколько одинаковых пакетов на закрытие сессии. Самое интересное, что стоит несколько NAS на FreeBSD и с ними таких проблем нет. А вот с единственным NAS, в роли которого Cisco выступает, появилась такая проблема. Причем раньше все было хорошо.
Я заметил, что у циски достаточно большие значения параметра NAS-Port, хотя среднее число одновременно подключенных пользователей около 30.