Dell C9000 Series Reference Manual page 396

Parameters
vrrp
interval
milliseconds
min_rx
milliseconds
multiplier value
role [active |
passive]
Defaults Refer to Parameters.
Command Modes
ROUTER OSPF
ROUTER OSPFv3
ROUTER BGP
ROUTER ISIS
INTERFACE (BFD for VRRP only)
Command History
This guide is platform-specific. For command information about other platforms, see
the to the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version
9.9(0.0)
9.2(1.0)
9.2.(0.0)
9.0.0.0
Enter the keyword vrrp in INTERFACE mode to enable BFD for
VRRP.
(OPTIONAL) Enter the keyword interval to specify non-
default BFD session parameters beginning with the transmission
interval. The range is from 50 to 1000. The default is 200.
Enter the keyword 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.
Enter the keyword 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.
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.
Description
Introduced on the C9010.
Introduced on the Z9500.
Introduced BFD for VRRP and OSPFv3 on Z9000, S4810, and
S4820T.
Introduced BFD for BGP on the Z9000.
Bidirectional Forwarding Detection (BFD) 396