Administrator Guide

Layer 3 Routing Commands 1219
Bidirectional Forwarding Detection
Commands
Dell Networking N3000/N4000 Series Switches
Bidirectional Forwarding Detection (BFD) verifies bidirectional connectivity
between forwarding engines, which can be a single hop or multiple hops away.
The protocol works over any underlying transmission mechanism and
protocol layer with a wide range of detection times, especially in scenarios
where fast failure detection is required in data plane level for multiple
concurrent sessions.
Use the following commands to configure Bidirectional Forwarding Detection
commands (BFD).
Commands in this Section
This section explains the following commands:
feature bfd
Use this command to enable BFD on the router. Use the no form of the
command to disable BFD and clear any dynamic state.
Syntax
feature bfd
no feature bfd
Default Configuration
BFD is not enabled by default.
feature bfd ip ospf bfd
bfd echo ipv6 ospf bfd
bfd interval neighbor fall-over bfd
bfd slow-timer show bfd neighbor
2CSNXXX_SWUM204.book Page 1219 Monday, January 25, 2016 1:25 PM