.. include:: ../_include/need_improvement.txt .. _routing-bfd: ### BFD ### :abbr:`BFD (Bidirectional Forwarding Detection)` is described and extended by the following RFCs: :rfc:`5880`, :rfc:`5881` and :rfc:`5883`. Configure BFD ============= .. cfgcmd:: set protocols bfd peer <address> Set BFD peer IPv4 address or IPv6 address .. cfgcmd:: set protocols bfd peer <address> echo-mode Enables the echo transmission mode .. cfgcmd:: set protocols bfd peer <address> multihop Allow this BFD peer to not be directly connected .. cfgcmd:: set protocols bfd peer <address> source [address <address> | interface <interface>] Bind listener to specifid interface/address, mandatory for IPv6 .. cfgcmd:: set protocols bfd peer <address> interval echo-interval <10-60000> The minimal echo receive transmission interval that this system is capable of handling .. cfgcmd:: set protocols bfd peer <address> interval multiplier <2-255> Remote transmission interval will be multiplied by this value .. cfgcmd:: set protocols bfd peer <address> interval [receive | transmit] <10-60000> Interval in milliseconds .. cfgcmd:: set protocols bfd peer <address> shutdown Disable a BFD peer Enable BFD in BGP ----------------- .. cfgcmd:: set protocols bgp <asn> neighbor <address> bfd Enable BFD on a single BGP neighbor .. cfgcmd:: set protocols bgp <asn> peer-group <group> bfd Enable BFD on a BGP peer group Enable BFD in OSPF ------------------ .. cfgcmd:: set interfaces ethernet <ethN> ip ospf bfd Enable BFD for ospf on a interface .. cfgcmd:: set interfaces ethernet <ethN> ipv6 ospfv3 bfd Enable BFD for ospfv3 on a interface Operational Commands ==================== .. opcmd:: show protocols bfd peer Show all BFD peers .. code-block:: none BFD Peers: peer 198.51.100.33 vrf default interface eth4.100 ID: 4182341893 Remote ID: 12678929647 Status: up Uptime: 1 month(s), 16 hour(s), 29 minute(s), 38 second(s) Diagnostics: ok Remote diagnostics: ok Local timers: Receive interval: 300ms Transmission interval: 300ms Echo transmission interval: 50ms Remote timers: Receive interval: 300ms Transmission interval: 300ms Echo transmission interval: 0ms peer 198.51.100.55 vrf default interface eth4.101 ID: 4618932327 Remote ID: 3312345688 Status: up Uptime: 20 hour(s), 16 minute(s), 19 second(s) Diagnostics: ok Remote diagnostics: ok Local timers: Receive interval: 300ms Transmission interval: 300ms Echo transmission interval: 50ms Remote timers: Receive interval: 300ms Transmission interval: 300ms Echo transmission interval: 0ms