> # FSPF Interfaces

> Field | Description
> --- | ---
> SetToDefault | Enabling this changes each value in this row to its default value. If all the configuration parameters have their default values and if the interface is down, then the row is deleted automatically.
> Cost | The administrative cost of sending a frame on this interface on this VSAN. The value 0 means that the cost has not been configured. Once the value has been configured, the value can not again be 0; so, obviously the value can not be set to 0. If the value is 0 and the corresponding interface is up, the agent sets a value calculated using the ifSpeed of the interface. Otherwise, the value is used as the cost. Note that following formula is used to calculate the link cost. Link Cost = { fspfIfCost if fspfIfCost > 0 {(1.0625e12 / Baud Rate) if fspfIfCost == 0 where Baud Rate is the ifSpeed of the interface.
> AdminStatus | The desired state of FSPF on this interface on this VSAN.
> HelloInterval | Interval between the periodic HELLO messages sent on this interface on this VSAN to verify the link health. Note that this value must be same on both the interfaces on each end of the link on this VSAN.
> DeadInterval | Maximum time for which no HELLO messages can be received on this interface on this VSAN. After this time, the interface is assumed to be broken and removed from the database. Note that this value must be greater than the HELLO interval specified on this interface on this VSAN.
> RetransmitInterval | Time after which an unacknowledged link update is retransmitted on this interface on this VSAN.
> Neighbour State | The state of FSPF's neighbor state machine, which is the operational state of the interaction with the neighbor's interface which is connected to this interface.
> Neighbour DomainId | The Domain ID of the neighbor on this VSAN.
> Neighbour PortIndex | The index, as known by the neighbor, of the neighbor's interface which is connected to this interface on this VSAN.
> CreateTime | When this entry was last created.

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