Configuring BFD Configuring BFD
OmniSwitch AOS Release 8 Network Configuration Guide December 2017 page 20-26
-> show ipv6 bfd sessions
Legends: Neg. = Negotiated
Discr = Discriminator
Intvl = Interval (in milliseconds)
Local Interface Neighbor State Remote Neg. Rx Neg. Tx EchoRx
Discr Name Address Discr Intvl Intvl Intvl
------+---------+-------------------------+-------+-------+-------+-------+--------
1 bfd-intf3 fe80::2efa:a2ff:fe13:e402 UP 0 0 0 300
To view a BFD session with a particular neighbor, use the show ip|ipv6 bfd sessions command followed
by the session number. For example:
-> show ip bfd sessions 1
Local discriminator = 1,
Neighbor IP Address = 101.1.1.11,
Requested Session Type = ASYNC ,
Interface IfIndex = 2,
Source UDP Port = 49153,
State = UP,
Session Operating Mode = None,
Remote discriminator = 1,
Negotiated Tx interval = 300,
Negotiated Rx interval = 300,
Echo Rx interval = 300,
Multiplier = 3,
Applications Registered: = OSPF
-> show ipv6 bfd sessions 1
Local discriminator = 1,
Neighbor IP Address = fe80::2efa:a2ff:fe13:e402,
Requested Session Type = ECHO,
Interface IP Address = fe80::2efa:a2ff:fe13:e403,
Source UDP Port = 49152,
State = UP,
Session Operating Mode = ECHO only,
Remote discriminator = 0,
Negotiated Tx interval = 0,
Negotiated Rx interval = 0,
Echo Rx interval = 300,
Multiplier = 3,
Applications Registered: = STATIC-ROUTING
Whenever there is any change to the interface/neighbor list or interface/neighbor state, OSPF immediately
informs BFD about the changes. Additionally, whenever BFD detects any changes to the other end, BFD
updates its database accordingly and informs OSPF for its fastest convergence.
Configuring BFD Support for PIM
The steps below show how to configure and verify BFD support for IPv4 and IPv6 PIM, so that both are
registered protocols with BFD and receive forwarding path detection failure messages from BFD.
Note. PIM must be running on all participating routers, and BFD must be configured and enabled on the
participating PIM interfaces. See “Configuring BFD Session Parameters” on page 20-14 for more
information.
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