Hi,

The SAI v0.9.1 document has the following statement in Section 18 'Neighbor 
functionality'.

"The IP neighbor does not define the outgoing port as this can be resolved 
using the FDB table."

If the outgoing port of IP neighbor should be resolved by looking up the FDB 
table with the Destination Mac address, the FDB Table should also be populated 
with the Mac addresses learnt from the router interfaces as well. Generally, 
the FDB Table is populated with MAC addresses learnt from the bridge ports.

A standard Arp entry or IPv6 Neighbor entry also specifies the outgoing 
interface.

What is the reason for not including the outgoing port information as part of 
IP neighbor entry attributes?


Thanks,
Mallik

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