No subject

Thu Mar 27 15:49:22 UTC 2014

So I certainly admit I am a basic networking guy and in the past have not had to get into the nitty gritty of port statistics.

I am trying to understand some statistics off a switch port in a Nexus 4001i.

All TX and RX counters look normal except on the TX side, I am showing 1107597 input discards. Last clearing of show counters is 1d8h ago.

I have it in my mind that this particular counter is dropping packets coming in from another port inside the switch that are to be transmitted out to the end server.

So lets say the interface I am looking at is port 2 on the switch. So server 1 sends a packet to port 1 on the switch. That packet then traverses to backplane, or inside the same ASIC, to port 2 on the switch. It is then dropped and not transmitted out to server 2.

Is the scenario I just presented correct? Not looking for the reason in this email, just that my logical understanding is correct.

Robert

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