Network Working Group C. Rigney Request for Comments: 2866 Livingston Category: Informational June 2000 Obsoletes: 2139 RADIUS Accounting Status of this Memo This memo provides information for the Internet community. It does not specify an Internet standard of any kind. Distribution of this memo is unlimited. Copyright Notice Copyright (C) The Internet Society (2000). All Rights Reserved. Abstract This document describes a protocol for carrying accounting information between a Network Access Server and a shared Accounting Server. Implementation Note This memo documents the RADIUS Accounting protocol. The early deployment of RADIUS Accounting was done using UDP port number 1646, which conflicts with the "sa-msg-port" service. The officially assigned port number for RADIUS Accounting is 1813. Table of Contents 1. Introduction .................................... 2 1.1 Specification of Requirements ................. 3 1.2 Terminology ................................... 3 2. Operation ....................................... 4 2.1 Proxy ......................................... 4 3. Packet Format ................................... 5 4. Packet Types ................................... 7 4.1 Accounting-Request ............................ 8 4.2 Accounting-Response ........................... 9 5. Attributes ...................................... 10 5.1 Acct-Status-Type .............................. 12 5.2 Acct-Delay-Time ............................... 13 5.3 Acct-Input-Octets ............................. 14 5.4 Acct-Output-Octets ............................ 15 5.5 Acct-Session-Id ............................... 15 Rigney Informational