The "IP-Option-Type" AVP
The "IP-Option-Type" Diameter AVP, which is of type Enumerated, uses the AVP code "538".
It has the MANDATORY flag, the MAY-ENCRYPT flag.
It is part of the IP-Option grouped AVP.
It is an enumerated AVP, which can hold the following values:
| Name | Integer value |
|---|---|
| End of Options List | 0 |
| No Operation | 1 |
| Security | 130 |
| Loose Source Route | 131 |
| Time Stamp | 68 |
| Extended Security | 133 |
| Commercial Security | 134 |
| Record Route | 7 |
| Stream ID | 136 |
| Strict Source Route | 137 |
| Experimental Measurement | 10 |
| MTU Probe | 11 |
| MTU Reply | 12 |
| Experimental Flow Control | 205 |
| Experimental Access Control | 142 |
| ENCODE | 15 |
| IMI Traffic Descriptor | 144 |
| Extended Internet Protocol | 145 |
| Traceoute | 82 |
| Address Extension | 147 |
| Router Alert | 148 |
| Selective Directed Broadcast | 149 |
| Dynamic Packet State | 151 |
| Upstream Multicast Pkt. | 152 |
| Quick-Start | 25 |
| RFC3692-style Experiment | 30 |
| RFC3692-style Experiment | 94 |
| RFC3692-style Experiment | 158 |
| RFC3692-style Experiment | 222 |
| SECURITY | 2 |
| LOOSE_SOURCE_ROUTE | 3 |
| TIMESTAMP | 4 |
| EXTENDED_SECURITY | 5 |
| COMMERCIAL_SECURITY | 6 |
| STREAM_ID | 8 |
| STRICT_SOURCE_ROUTE | 9 |
| FLOW_CONTROL | 13 |
| ACCESS_CONTROL | 14 |
| IMI_TRAFFIC_DESCRIPTOR | 16 |
| EXTENDED_IP | 17 |
| TRACEROUTE | 18 |
| ADDRESS_EXTENSION | 19 |
| ROUTER_ALERT | 20 |
| SELECTIVE_DIRECTED_BROADCAST_MODE | 21 |
| DYNAMIC_PACKET_STATE | 23 |
| UPSTREAM_MULTICAST_PACKET | 24 |
| Update source | Insertion date |
|---|---|
| Wireshark | 2026-04-26 07:12 |
| Diafuzzer | 2026-04-26 07:14 |