As accounting interim update plus
Table G.6. Accounting-Stop
| AVP | No. | Usage |
| Acct-Terminate-Cause | 49 | Cause code as appropriate |
Cause codes of note are 2(Lost-Carrier) which is sent if LCP echos do not reply for several seconds, and 14(Port-Suspended) which is sent if the dos-limit is exceeded on a session. For DOS handling is is recommended that subsequent authentication requests are rejected for several minutes or a fake accept is and session-timeout is used as DOS attacks usually continue until the customer is off-line.
