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Bidirectional Forwarding Detection
Commands
Dell EMC Networking N3000/N3100/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
bfd echo
bfd interval
bfd slow-timer
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.
ip ospf bfd
ipv6 ospf bfd
neighbor fall-over bfd
show bfd neighbor
Layer 3 Routing Commands
1201
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