White Papers

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.
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.
Example
Dell(conf-if-gi-0/3)#bfd interval 250 min_rx 300 multiplier 4 role
passive
Dell(conf-if-gi-0/3)#
bfd protocol-liveness
Enable the BFD protocol liveness feature.
Syntax
bfd protocol-liveness
Defaults Disabled
Command Modes CONFIGURATION
Supported Modes Full–Switch
252 Bidirectional Forwarding Detection (BFD)