netstat e
The netstat -e command shows the activity for the NIC and displays the number of packets that have been both sent and received. An example of the netstat -e command is shown here:
C:\WINDOWS\Desktop>netstat -e
Interface Statistics
Received Sent
Bytes 17412385 40237510
Unicast packets 79129 85055
Non-unicast packets 693 254
Discards 0 0
Errors 0 0
Unknown protocols 306
As you can see, the netstat -e command shows more than just the packets that have been sent and received:
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Bytes The number of bytes that have been sent or received by the NIC since the computer was turned on.
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Unicast packets Packets sent and received directly to this interface.
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Non-unicast packets Broadcast or multicast packets that were picked up by the NIC.
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Discards The number of packets rejected by the NIC, perhaps because they were damaged.
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Errors The errors that occurred during either the sending or receiving process. As you would expect, this column should be a low number. If it is not, it could indicate a problem with the NIC.
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Unknown protocols The number of packets that were not recognizable by the system.