I'm totally stuck. We are using Cisco 7200 NPE-G2 with 12.2(33)SRE2 IOS with ISG features. On ethernet connected clients we discover a problem, that no accounting happens. Client's subinterface configuration is like this: int g0/1.2001 enc do 2001 ip vrf forwarding InterNet ip address <Internet address> service-policy type control IPN-VPN ip subscriber interface policy-map type control IPN-VPN class type control IPN-UNAUTH event timed-policy-expiry 10 service disconnect ! class type control always event session-start 10 authorize aaa list IPN password 123 identifier nas-port 20 set-timer UNAUTH-TIMER 5 30 service-policy type service name Deny-IPN 40 service-policy type service name AllPermit-IPN ! class type control always event session-restart 10 authorize aaa list IPN password 123 identifier nas-port 20 set-timer UNAUTH-TIMER 5 30 service-policy type service name Deny-IPN 40 service-policy type service name AllPermit-IPN ! class type control always event quota-depleted 1 set-param drop-traffic FALSE All ISG services refer to accounting list PPTP: aaa accounting delay-start vrf InterNet aaa accounting update periodic 5 aaa accounting network PPTP action-type start-stop group PPPoEN Debugging "deb sss feature name accounting" shows: Sep 9 16:35:36: SSS MGR [uid:241]: Failed to initialize aaa accounting event Sep 9 16:35:36: SSS MGR [uid:2296]: Failed to send aaa event Tcpdump on radius server shows nothing. What's wrong with configuration? Thanks for any reply :)