Administrator Guide

To disable BFD for all neighbors configured through static routes, use the no ip route bfd [vrf
vrf-name] [prefix-list prefix-list-name] [interval interval min_rx min_rx
multiplier value role {active | passive}] command.
Parameters
prefix-list prefix-
list-name
(Optional) Enter the keyword prefix-list followed by the name of the prefix
list to enable or disable BFD on specific neighbors.
interval
milliseconds
(OPTIONAL) 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
receives 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 — active system initiates the BFD session. Both systems can be active
for the same session.
● Passive — 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 CONFIGURATION
Command
History
This guide is platform-specific. For command information about other platforms, see the relevant Dell
EMC Networking OS Command Line Reference Guide.
Version Description
9.13(0.0) Introduced the vrf keyword on S3100 series, S3048–ON, S4048–ON, S4048T-
ON, S5000, S6000, S6000–ON, S6010–ON, S6100–ON, C9010, Z9500, and
Z9100–ON.
9.12(1.0) Introduced on the S5048F–ON.
9.11(2.5) Introduced the vrf keyword on the Z9100–ON.
9.11(0.0) Introduced the prefix-list keyword.
9.10(0.1) Introduced on the S6010-ON and S4048T-ON.
9.10(0.0) Introduced on the S3148.
9.10(0.0) Introduced on the S6100-ON.
9.8(2.0) Introduced on the S3100 series.
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S6000–ON.
9.3.(0.0) Introduced on S6000.
9.2(1.0) Introduced on the Z9500.
9.2.(0.0) Introduced on Z9000, S4810, and S4820T.
8.2.1.0 Introduced on the E-Series.
7.6.1.0 Introduced on the C-Series.
7.4.1.0 Introduced on the E-Series.
330 Bidirectional Forwarding Detection (BFD)