# RADIUS IETF Attributes Supported for AAA Tunnel Accounting Messages

Table 44 lists RADIUS attributes supported by the following tunnel-related accounting messages:

- Acct-Tunnel-Start
- Acct-Tunnel-Stop
- Acct-Tunnel-Reject
- Acct-Tunnel-Link-Start
- Acct-Tunnel-Link-Stop
- Acct-Tunnel-Link-Reject

  Table 44: AAA Accounting Tunnel Message RADIUS Attributes Supported

  Attribute Number | Attribute Name | Acct-Tunnel- Start | Acct-Tunnel- Stop | Acct-Tunnel- Reject | Acct-Tunnel- Link-Start | Acct-Tunnel- Link-Stop | Acct-Tunnel- Link-Reject
  --- | --- | --- | --- | --- | --- | --- | ---
  [1] | User-Name | – | – | – | ✓ | ✓ | –
  [4] | NAS-IP-Address | ✓ | ✓ | ✓ | ✓ | ✓ | ✓
  [26-51] | Disconnect-Cause | – | – | – | – | ✓ | –
  [32] | NAS-Identifier | ✓ | ✓ | ✓ | ✓ | ✓ | ✓
  [40] | Acct-Status-Type | ✓ | ✓ | ✓ | ✓ | ✓ | ✓
  [41] | Acct-Delay-Time | ✓ | ✓ | ✓ | ✓ | ✓ | ✓
  [44] | Acct-Session-Id | ✓ | ✓ | ✓ | ✓ | ✓ | ✓
  [46] | Acct-Session-Time | – | ✓ | – | – | ✓ | –
  [49] | Acct-Terminate-Cause | – | ✓ | ✓ | – | ✓ | ✓
  [55] | Event-Timestamp | ✓ | ✓ | ✓ | ✓ | ✓ | ✓
  [64] | Tunnel-Type | ✓ | ✓ | ✓ | ✓ | ✓ | ✓
  [65] | Tunnel-Medium-Type | ✓ | ✓ | ✓ | ✓ | ✓ | ✓
  [66] | Tunnel-Client-Endpoint | ✓ | ✓ | ✓ | ✓ | ✓ | ✓
  [67] | Tunnel-Server-Endpoint | ✓ | ✓ | ✓ | ✓ | ✓ | ✓
  [68] | Acct-Tunnel- Connection | ✓ | ✓ | ✓ | ✓ | ✓ | ✓
  [82] | Tunnel-Assignment-Id (LAC only) | ✓ | ✓ | ✓ | ✓ | ✓ | ✓
  [83] | Tunnel-Preference (LAC only) | – | – | – | ✓ | ✓ | ✓
  [86] | Acct-Tunnel-Packets- Lost | – | – | – | – | ✓ | ✓
  [90] | Tunnel-Client-Auth-Id | ✓ | ✓ | ✓ | ✓ | ✓ | ✓
  [91] | Tunnel-Server-Auth-Id | ✓ | ✓ | ✓ | ✓ | ✓ | ✓

#### Related Documentation

- Subscriber AAA Accounting Messages Overview
- RADIUS IETF Attributes
- Juniper Networks VSAs