Subsequent Address Family Identifiers (SAFI) Parameters
Created
- 2000-07
Last Updated
- 2026-03-19
Available Formats
SAFI Values
Reference
- RFC 4760: Multiprotocol Extensions for BGP-4
Note
When this registry is modified, the YANG module iana-routing-types must be updated as defined in RFC 8294.
Available Formats
| Range | Registration Procedures | Note |
|---|---|---|
| 1-63 | Standards Action | |
| 64-127 | First Come First Served | |
| 128-240 | Some recognized assignments below, others Reserved | |
| 241-254 | Reserved for Private Use | Not to be assigned |
| Value | Description | Reference |
|---|---|---|
| 0 | Reserved | RFC 4760 |
| 1 | Network Layer Reachability Information used for unicast forwarding | RFC 4760 |
| 2 | Network Layer Reachability Information used for multicast forwarding | RFC 4760 |
| 3 | Reserved | RFC 4760 |
| 4 | Network Layer Reachability Information (NLRI) with MPLS Labels | RFC 8277 |
| 5 | MCAST-VPN | RFC 6514 |
| 6 | Network Layer Reachability Information used for Dynamic Placement of Multi-Segment Pseudowires | RFC 7267 |
| 7 | Encapsulation SAFI (OBSOLETE) | RFC 9012 |
| 8 | MCAST-VPLS | RFC 7117 |
| 9 | BGP SFC | RFC 9015 |
| 10-63 | Unassigned | |
| 64 | Tunnel SAFI | Gargi Nalawade; draft-nalawade-kapoor-tunnel-safi-01 |
| 65 | Virtual Private LAN Service (VPLS) | RFC 4761; RFC 6074 |
| 66 | BGP MDT SAFI | RFC 6037 |
| 67 | BGP 4over6 SAFI | RFC 5747 |
| 68 | BGP 6over4 SAFI | Yong Cui |
| 69 | Layer-1 VPN auto-discovery information | RFC 5195 |
| 70 | BGP EVPNs | RFC 7432 |
| 71 | BGP-LS | RFC 9552 |
| 72 | BGP-LS-VPN | RFC 9552 |
| 73 | SR Policy SAFI | RFC 9830 |
| 74 | SD-WAN Capabilities | draft-ietf-idr-sdwan-edge-discovery-03 |
| 75 | Routing Policy SAFI | draft-ietf-idr-rpd-02 |
| 76 | Classful Transport (CT) | RFC 9832 |
| 77 | Tunneled Traffic Flowspec | draft-ietf-idr-flowspec-nvo3-10 |
| 78 | MCAST-TREE | draft-ietf-bess-bgp-multicast-03 |
| 79 | BGP-DPS (Dynamic Path Selection) | https://eos.arista.com/eos-4-26-2f/dps-vpn-scaling-using-bgp; Venkit Kasiviswanathan |
| 80 | BGP-LS-SPF | RFC 9815 |
| 81 | Unreachability Information SAFI | Jeff Tantsura; draft-tantsura-idr-unreachability-safi-01 |
| 82 | Unassigned | |
| 83 | BGP CAR | RFC 9871 |
| 84 | BGP VPN CAR | RFC 9871 |
| 85 | BGP-MUP SAFI | draft-mpmz-bess-mup-safi-00 |
| 86-127 | Unassigned | |
| 128 | MPLS-labeled VPN address | RFC 4364; RFC 8277; RFC 9252 |
| 129 | Multicast for BGP/MPLS IP Virtual Private Networks (VPNs) | RFC 6513; RFC 6514 |
| 130-131 | Reserved | RFC 4760 |
| 132 | Route Target constrains | RFC 4684 |
| 133 | Dissemination of Flow Specification rules | RFC 8955 |
| 134 | L3VPN Dissemination of Flow Specification rules | RFC 8955 |
| 135-139 | Reserved | RFC 4760 |
| 140 | VPN auto-discovery | draft-ietf-l3vpn-bgpvpn-auto-08 |
| 141-240 | Reserved | RFC 4760 |
| 241-254 | Reserved for Private Use | RFC 4760 |
| 255 | Reserved | RFC 4760 |
Contact Information
| Name | Contact URI | Last Updated |
|---|---|---|
| Gargi Nalawade | gargi&cisco.com | 2004-01 |
| Jeff Tantsura | jefftant.ietf&gmail.com | 2026-03-19 |
| Venkit Kasiviswanathan | venkit&arista.com | 2021-09-08 |
| Yong Cui | cuiyong&tsinghua.edu.cn | 2006-09-20 |