Subsequent Address Family Identifiers (SAFI) Parameters

Created
2000-07
Last Updated
2025-09-16
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Registry Included Below

SAFI Values

Reference
[RFC4760]
Note
When this registry is modified, the YANG module [iana-routing-types] 
must be updated as defined in [RFC8294].
Available Formats

CSV
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 [RFC4760]
1 Network Layer Reachability Information used for unicast forwarding [RFC4760]
2 Network Layer Reachability Information used for multicast forwarding [RFC4760]
3 Reserved [RFC4760]
4 Network Layer Reachability Information (NLRI) with MPLS Labels [RFC8277]
5 MCAST-VPN [RFC6514]
6 Network Layer Reachability Information used for Dynamic Placement of Multi-Segment Pseudowires [RFC7267]
7 Encapsulation SAFI (OBSOLETE) [RFC9012]
8 MCAST-VPLS [RFC7117]
9 BGP SFC [RFC9015]
10-63 Unassigned
64 Tunnel SAFI [Gargi_Nalawade][draft-nalawade-kapoor-tunnel-safi-01]
65 Virtual Private LAN Service (VPLS) [RFC4761][RFC6074]
66 BGP MDT SAFI [RFC6037]
67 BGP 4over6 SAFI [RFC5747]
68 BGP 6over4 SAFI [Yong_Cui]
69 Layer-1 VPN auto-discovery information [RFC5195]
70 BGP EVPNs [RFC7432]
71 BGP-LS [RFC9552]
72 BGP-LS-VPN [RFC9552]
73 SR Policy SAFI [RFC9830]
74 SD-WAN Capabilities [draft-ietf-idr-sdwan-edge-discovery-03]
75 Routing Policy SAFI [draft-ietf-idr-rpd-02]
76 Classful Transport (CT) [RFC9832]
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 [RFC9815]
81-82 Unassigned
83 BGP CAR [RFC-ietf-idr-bgp-car-16]
84 BGP VPN CAR [RFC-ietf-idr-bgp-car-16]
85 BGP-MUP SAFI [draft-mpmz-bess-mup-safi-00]
86-127 Unassigned
128 MPLS-labeled VPN address [RFC4364][RFC8277][RFC9252]
129 Multicast for BGP/MPLS IP Virtual Private Networks (VPNs) [RFC6513][RFC6514]
130-131 Reserved [RFC4760]
132 Route Target constrains [RFC4684]
133 Dissemination of Flow Specification rules [RFC8955]
134 L3VPN Dissemination of Flow Specification rules [RFC8955]
135-139 Reserved [RFC4760]
140 VPN auto-discovery [draft-ietf-l3vpn-bgpvpn-auto-08]
141-240 Reserved [RFC4760]
241-254 Reserved for Private Use [RFC4760]
255 Reserved [RFC4760]

Contact Information

ID Name Contact URI Last Updated
[Gargi_Nalawade] Gargi Nalawade mailto:gargi&cisco.com 2004-01
[Venkit_Kasiviswanathan] Venkit Kasiviswanathan mailto:venkit&arista.com 2021-09-08
[Yong_Cui] Yong Cui mailto:cuiyong&tsinghua.edu.cn 2006-09-20