Administrator Guide

interval
milliseconds
(OPTIONAL) Enter the keyword interval to specify non-default BFD session
parameters beginning with the transmission interval. The range is from 50 to 1000. The
default is 200.
min_rx
milliseconds
Enter the keywords min_rx to specify the minimum rate at which the local system
receives control packets from the remote system. The range is from 50 to 1000. The
default is 200.
multiplier value Enter the keyword multiplier to specify the number of packets that must be missed
in order to declare a session down. The range is from 3 to 50. The default is 3.
role [active |
passive]
Enter the role that the local system assumes:
• Active — The active system initiates the BFD session. Both systems can be active
for the same session.
• Passive — The passive system does not initiate a session. It only responds to a
request for session initialization from the active system.
The default is Active.
Defaults See Parameters
Command Modes INTERFACE
Command History
This guide is platform-specific. For command information about other platforms, see the relevant Dell Networking
OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.9(0.0) Introduced on the C9010.
9.2(1.0) Introduced on the Z9500.
9.2.0.0 Introduced on the Z9000, S4820T, and S4810.
Usage Information
This command provides the flexibility to fine-tune the timer values based on individual interface needs when you
configure ipv6 ospf BFD in CONFIGURATION mode. Any timer values specified with this command overrides
timers set using the bfd all-neighbors command. Using the no form of this command does not disable BFD
if you configure BFD in CONFIGURATION mode.
To disable BFD on a specific interface while you configure BFD in CONFIGURATION mode, use the keyword
disable.
neighbor bfd
Explicitly enable a BFD session with a BGP neighbor or a BGP peer group.
C9000 Series
Syntax
neighbor {ip-address | peer-group-name} bfd
Parameters
ip-address Enter the IP address of the BGP neighbor that you want to explicitly enable for BFD
sessions in dotted decimal format (A.B.C.D).
peer-group-name Enter the name of the peer group that you want to explicitly enable for BFD sessions.
Defaults none
Command Modes ROUTER BGP
Command History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
308 Bidirectional Forwarding Detection (BFD)