| IGAP, IGMP for user Authentication Protocol |
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Description | Glossary | RFCs | Publications | Obsolete RFCs |
| Protocol suite: | TCP/IP. |
| Protocol type: | Transport layer multicast protocol. |
| IP protocol: | 2 |
| Base protocol: | IGMP, Internet Group Management Protocol. |
| SNMP MIBs: | |
| Working groups: | |
| Links: | IGMP type numbers. |
IGAP is a variant of IGMPv2 that adds user authentication. IGAP enables an IP multicast service provider to authenticate requests to join a specific multicast group based on user information.
All IGAP messages are sent with the IP TTL field set to 1 and use the IP Router Alert option in their IP header as per the IGMPv2 requirements.
| MAC header | IP header | IGAP packet |
RFCs:
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Description | Glossary | RFCs | Publications | Obsolete RFCs |