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Routing in an IPspace

A distinct routing table is maintained for each IPspace. All vFiler units participating in an IPspace share its routing table. The IP address of the interface and the IPspace identifier are used to identify the vFiler unit for which the packet is intended.

All packets coming in through an interface are tagged with the IPspace identifier of the IPspace to which the interface belongs.

All outgoing traffic uses the IPspace identifier of the vFiler unit that is generating the traffic to determine the routing table to use. Data ONTAP ensures that packets generated by the vFiler units of an IPspace are transmitted through the interfaces that belong to that IPspace.
Note: Broadcast packets are restricted to the vFiler units within the destination IPspace.