RFC 5881: Bidirectional Forwarding Detection (BFD) for IPv4 and IPv6 (Single Hop)

This document describes the use of the Bidirectional Forwarding Detection (BFD) protocol over IPv4 and IPv6 for single IP hops. [STANDARDS-TRACK]

Read RFC 5881 on the RFC Editor

Outgoing relationships (4 related RFCs)

Normative reference — RFC 5880: Bidirectional Forwarding Detection (BFD)
Normative reference — RFC 5082: The Generalized TTL Security Mechanism (GTSM)
Normative reference — RFC 5882: Generic Application of Bidirectional Forwarding Detection (BFD)
Informative reference — RFC 5348: TCP Friendly Rate Control (TFRC): Protocol Specification

Incoming relationships (29 related RFCs)

Normatively referenced by — RFC 5884: Bidirectional Forwarding Detection (BFD) for MPLS Label Switched Paths (LSPs)
Normatively referenced by — RFC 5883: Bidirectional Forwarding Detection (BFD) for Multihop Paths
Normatively referenced by — RFC 5885: Bidirectional Forwarding Detection (BFD) for the Pseudowire Virtual Circuit Connectivity Verification (VCCV)
Normatively referenced by — RFC 9314: YANG Data Model for Bidirectional Forwarding Detection (BFD)
Normatively referenced by — RFC 7130: Bidirectional Forwarding Detection (BFD) on Link Aggregation Group (LAG) Interfaces
Normatively referenced by — RFC 7175: Transparent Interconnection of Lots of Links (TRILL): Bidirectional Forwarding Detection (BFD) Support
Normatively referenced by — RFC 9130: YANG Data Model for the IS-IS Protocol
Normatively referenced by — RFC 9127: YANG Data Model for Bidirectional Forwarding Detection (BFD)
Normatively referenced by — RFC 9692: RIFT: Routing in Fat Trees
Normatively referenced by — RFC 7330: Definitions of Textual Conventions (TCs) for Bidirectional Forwarding Detection (BFD) Management
Normatively referenced by — RFC 8971: Bidirectional Forwarding Detection (BFD) for Virtual eXtensible Local Area Network (VXLAN)
Normatively referenced by — RFC 9521: Bidirectional Forwarding Detection (BFD) for Generic Network Virtualization Encapsulation (Geneve)
Normatively referenced by — RFC 7189: Virtual Circuit Connectivity Verification (VCCV) Capability Advertisement for MPLS Transport Profile (MPLS-TP)
Normatively referenced by — RFC 7331: Bidirectional Forwarding Detection (BFD) Management Information Base
Normatively referenced by — RFC 9062: Framework and Requirements for Ethernet VPN (EVPN) Operations, Administration, and Maintenance (OAM)
Normatively referenced by — RFC 9186: Fast Failover in Protocol Independent Multicast - Sparse Mode (PIM-SM) Using Bidirectional Forwarding Detection (BFD) for Multipoint Networks
Normatively referenced by — RFC 9468: Unsolicited Bidirectional Forwarding Detection (BFD) for Sessionless Applications
Normatively referenced by — RFC 9612: Bidirectional Forwarding Detection (BFD) Reverse Path for MPLS Label Switched Paths (LSPs)
Normatively referenced by — RFC 9719: YANG Data Model for Routing in Fat Trees (RIFT)
Normatively referenced by — RFC 9764: Bidirectional Forwarding Detection (BFD) Encapsulated in Large Packets
Informatively referenced by — RFC 6550: RPL: IPv6 Routing Protocol for Low-Power and Lossy Networks
Informatively referenced by — RFC 7276: An Overview of Operations, Administration, and Maintenance (OAM) Tools
Informatively referenced by — RFC 6039: Issues with Existing Cryptographic Protection Methods for Routing Protocols
Informatively referenced by — RFC 7297: IP Connectivity Provisioning Profile (CPP)
Informatively referenced by — RFC 9129: YANG Data Model for the OSPF Protocol
Informatively referenced by — RFC 8924: Service Function Chaining (SFC) Operations, Administration, and Maintenance (OAM) Framework
Informatively referenced by — RFC 7948: Internet Exchange BGP Route Server Operations
Informatively referenced by — RFC 8159: Keyed IPv6 Tunnel
Informatively referenced by — RFC 9365: IPv6 Wireless Access in Vehicular Environments (IPWAVE): Problem Statement and Use Cases