Concept Guide

Defaults BFD is disabled by default.
Command Modes CONFIGURATION
Supported Modes Full–Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.2(0.0) Introduced on the MXL 10/40GbE Switch IO Module.
bfd enable (Interface)
Enable BFD on an interface.
Syntax
bfd enable
Defaults BFD is enabled on all interfaces when you enable BFD from CONFIGURATION mode.
Command Modes INTERFACE
Supported Modes Full–Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.2(0.0) Introduced on the MXL 10/40GbE Switch IO Module.
bfd interval
Specify non-default BFD session parameters beginning with the transmission interval.
Syntax
bfd interval interval min_rx min_rx multiplier value role {active | passive}
Parameters
interval milliseconds Enter the keywords 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 would
like to receive control packets from the remote system. The range is from 50 to 1000. The
default is 200.
multiplier value Enter the keywords 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 Refer to Parameters.
Bidirectional Forwarding Detection (BFD) 279