Command
History This guide is platform-specific. For command information about other platforms,
refer 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 Description
9.2.0.0 Introduced on the Z9000, S4820T, and S4810.
Usage
Information This command provides the flexibility to fine-tune the timer values based on
individual interface needs when you configure ipv6 ospf BFD in CONFIGURATION
mode. Any timer values specified with this command overrides timers set using the
bfd all-neighbors command. Using the no form of this command does not
disable BFD if you configure BFD in CONFIGURATION mode.
To disable BFD on a specific interface while you configure BFD in
CONFIGURATION mode, use the keyword disable.
isis bfd all-neighbors
Enable BFD on all IS-IS neighbors discovered on an interface.
S4820T
Syntax isis bfd all-neighbors [disable | [interval interval min_rx
min_rx multiplier value role {active | passive}]]
To remove all BFD sessions with IS-IS neighbors discovered on this interface, use
the no isis bfd all-neighbors [disable | [interval interval
min_rx min_rx multiplier value role {active | passive}]]
command.
Parameters disable (OPTIONAL) Enter the keyword disable to disable BFD on
this interface.
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 100.
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 100.
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.
394 Bidirectional Forwarding Detection (BFD)