Command Reference Guide

284 | Bidirectional Forwarding Detection (BFD)
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Command Modes
EXEC Privilege
Command
History
Usage
Information
Since BFD can potentially transmit 20 packets per interface, debugging information should
be restricted.
ip route bfd
c e
Enable BFD for all neighbors configured through static routes.
Syntax
ip route bfd
[interval interval min_rx min_rx multiplier value role {active | passive}]
Parameters
Defaults
Parameters
Command Modes
CONFIGURATION
Command
History
Related
Commands
Version 8.2.1.0 Introduced on E-Series ExaScale
Version 7.6.1.0 Introduced on C-Series
Version 7.5.1.0 Added support for VLAN and port-channel interfaces on E-Series
Version 7.4.1.0 Introduced on E-Series
interval milliseconds
(OPTIONAL) Enter this keyword to specify non-default BFD
session parameters beginning with the transmission interval.
Range: 50 to 1000
Default: 100
interval milliseconds
(OPTIONAL) Enter this keyword to specify non-default BFD
session parameters beginning with the transmission interval.
Range: 50 to 1000
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 to 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
show bfd neighbors Display BFD neighbor information on all interfaces or a specified
interface.