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Dell SmartFabric OS10 User Guide Release 10.5.4

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bfd interval

Configures parameters for all BFD sessions on the switch.

Syntax
bfd interval milliseconds min_rx milliseconds multiplier number role {active | passive}
Parameters
  • interval milliseconds — Enter the time interval for sending control packets to BFD peers; from 50 to 1000. Dell Technologies recommends using more than 100 milliseconds.
  • min_rx milliseconds — Enter the maximum waiting time for receiving control packets from BFD peers, from 50 to 1000. Dell Technologies recommends using more than 100 milliseconds.
  • multiplier number — Enter the number of consecutive packets that can be missed from a BFD peer before the session state changes to Down, from 3 to 50.
  • role {active | passive} — Enter active if the router initiates BFD sessions. Both BFD peers can be active at the same time. Enter passive if the router does not initiate BFD sessions, and only responds to a request from an active BFD to initialize a session.
Default

The time interval for sending control packets to BFD peers is 200 milliseconds.

The maximum waiting time for receiving control packets from BFD peers is 200 milliseconds.

The number of consecutive packets that must be received from a BFD peer is 3.

The BFD role is active.

Command Mode
CONFIGURATION
Usage Information

Use this command to configure global BFD session settings. To configure the BFD parameters used in sessions established with neighbors discovered by an L3 protocol, use the bfd all-neighbors command. The no version of this command deletes the configured global settings and returns to the default values.

If you enable BFD on a specific static route, use the bfd interval command to configure the BFD parameters for that specific static route.

Example 
OS10(config)# bfd interval 250 min_rx 300 multiplier 4 role passive
Supported releases
10.4.1.0 or later

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