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Dell PowerEdge FN I/O Module Configuration Guide 9.10(0.0)

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Changing VLAN Session Parameters

BFD sessions are configured with default intervals and a default role.

The parameters that you can configure are: Desired TX Interval, Required Min RX Interval, Detection Multiplier, and system role. You can change parameters per interface, if you make a configuration change, the change affects all sessions on that interface.
  • CAUTION: When configuring BFD on VLAN or LAG interfaces, Dell Networking recommends a minimum value of 500 milliseconds for both the transmit and minimum receive time, which yields a final detection time of (500ms *3) 1500 milliseconds.

To change parameters for a session, use the following commands.

Change session parameters for all sessions on an interface. INTERFACE VLAN mode bfd interval milliseconds min_rx milliseconds multiplier value role [active | passive]
To view session parameters, use the show bfd neighbors command, as shown in the example Changing Physical Port Session Parameters .

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