> # FSPF LSDB Links

> Field | Description
> --- | ---
> NbrDomainId | The domain ID of the neighbor on the other end of this link on this VSAN.
> PortIndex | The source E_port of this link, as indicated by the index value in the LSR received from the switch identified by the domain ID.
> NbrPortIndex | The destination E_port of this link, as indicated by the index value in the LSR received from the switch identified by NbrDomainId.
> Cost | The cost of sending a frame on this link on this VSAN. Link cost is calculated using a formula link cost = S * (1.0625e12/Baud Rate) where S (value of Cost on the interface on the switch corresponding to the domain Id) is the administratively set cost factor for this interface.

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