The "NAS-Port-Type" AVP
The "NAS-Port-Type" Diameter AVP, which is of type Enumerated, uses the AVP code "61".
It has the MANDATORY flag, the MAY-ENCRYPT flag.
It is part of the AA-Request, Re-Auth-Request, Abort-Session-Request, Accounting-Request, Accounting-Answer, Diameter-EAP-Request, MIP6-Request, Multimedia-Authentication-Request commands.
It is part of the Access-Network-Type grouped AVP.
It is an enumerated AVP, which can hold the following values:
| Name | Integer value |
|---|---|
| Async | 0 |
| Sync | 1 |
| ISDN-Sync | 2 |
| ISDN-Async-v120 | 3 |
| ISDN-Async-v110 | 4 |
| Virtual | 5 |
| PIAFS | 6 |
| HDLC-Clear-Channel | 7 |
| X25 | 8 |
| X75 | 9 |
| G.3 Fax | 10 |
| SDSL - Symmetric DSL | 11 |
| ADSL-CAP - Asymmetric DSL, Carrierless Amplitude Phase Modulation | 12 |
| ADSL-DMT - Asymmetric DSL, Discrete Multi-Tone | 13 |
| IDSL - ISDN Digital Subscriber Line | 14 |
| Ethernet | 15 |
| xDSL - Digital Subscriber Line of unknown type | 16 |
| Cable | 17 |
| Wireless - Other | 18 |
| Wireless - IEEE 802.11 | 19 |
| Token-Ring | 20 |
| FDDI | 21 |
| Wireless - CDMA2000 | 22 |
| Wireless - UMTS | 23 |
| Wireless - 1X-EV | 24 |
| IAPP | 25 |
| FTTP - Fiber to the Premises | 26 |
| Wireless - IEEE 802.16 | 27 |
| Wireless - IEEE 802.20 | 28 |
| Wireless - IEEE 802.22 | 29 |
| PPPoA - PPP over ATM | 30 |
| PPPoEoA - PPP over Ethernet over ATM | 31 |
| PPPoEoE - PPP over Ethernet over Ethernet | 32 |
| PPPoEoVLAN - PPP over Ethernet over VLAN | 33 |
| PPPoEoQinQ - PPP over Ethernet over IEEE 802.1QinQ | 34 |
| xPON - Passive Optical Network | 35 |
| Wireless - XGP | 36 |
| Update source | Insertion date |
|---|---|
| Wireshark | 2026-04-26 07:12 |