How to handle dropped packets and packets with Error in UVM Scoreboard

Hello,

If I want to build a UVM Testbench for a Router Asic,
and I have to build a Scoreboard, how does the Scoreboard
handle Dropped Packet vs Packet with Error.

I believe we can put an Associative Array for Scoreboard.
DUT will drop the Packet,
But the Reference Model may not drop the packet.

Can anyone who is Verifying Switch/Router Asic/Fpga
please reply

Thanks
JeffD

In reply to dvuvmsv:

For your scoreboard you need a reference model to do the valid compares. In your case this is a rule which identifies dropped packets. Your spec will give you the indications for this. Dropped packets will not be sent to the scvoreboard.

Thank you chr_sue for you reply
JeffD