Reference Guide

304 | Bidirectional Forwarding Detection (BFD)
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bfd enable (Interface)
c e
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
Command
History
bfd interval
c e
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
Defaults
See Parameters
Command Modes
INTERFACE
Command
History
Version 8.2.1.0 Introduced on E-Series ExaScale
Version 7.6.1.0 Introduced on C-Series
Version 7.4.1.0 Introduced on E-Series
interval milliseconds
Enter this keyword to specify non-default BFD session parameters
beginning with the transmission interval.
Range:50-1000
Default:100
min_rx milliseconds
Enter this keyword to specify the minimum rate at which the local system
would like to receive control packets from the remote system.
Range:50-100
Default:100
multiplier value
Enter this keyword to specify the number of packets that must be missed in
order to declare a session down.
Range:3-50
Default: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.
Default: Active
Version 8.2.1.0 Introduced on E-Series ExaScale
Version 7.6.1.0 Introduced on C-Series
Version 7.4.1.0 Introduced on E-Series