Hello Jeff !

I'm not as expert as James so he will possibly correct/add to my statement
but here is my understanding of "Recv dropped: addr" meaning:

A NIC will listen to all traffic on its "collision domain".  In the old
days, the "intelligent" 10BT NIC was dropping frames which destination MAC
address was not its own.  Today, the "less intelligent" 100BT NIC ( no
matter it is HP-PB or PCI) is not but the 100BT software does so.  This is
why you see that quite big number for "Recv dropped: addr".

Hope this helps !

Denis St-Amand (remove removeit. from return address).


"Jeff Kell" <[log in to unmask]> wrote in message
news:TqGdnU0Il_vHI7bcRVn-vQ@fidnet.com...
> I have noticed from times past that the 3000's NIC always reported some
> level of discards.  I had written this off to Novell or Appletalk on the
> interface, but now the subnet is IP-only.
>
> For example:
>
>
> Transmit bytes            11350279851    Receive bytes
> 7625765798
> Transmits                    98424359    Receives unicast
> 90180197
> Transmits no error           98424359    Receives broadcast
> 750838
> Transmits dropped                   0    Receives
> multicast               6048
> Transmits deferred                  0    Receives no error
> 90404618
> Transmits 1 retry                   0    Recv CRC
> error                      0
> Transmits >1 retry                  0    Recv Maxsize
> error                  0
> Trans 16 collisions                 0    Recv dropped: addr
> 532465
> Trans late collision                0    Recv dropped:
> buffer                0
> Trans underruns                     0    Recv dropped:
> descr                 0
> Carrier losses                      0    Recv dropped:
> other                 0
> Trans jabber timeout                0    Recv watchdg
> timeout                0
> Link disconnects                    0    Recv
> collisions                     0
> Link speed                        100    Recv
> overruns                       0
> Link duplex                      Full    Link auto
> sensed                   No
> Link mode             100Base-TX Core    Secs since clear
> 1329252
>
> Where are the "Recv dropped: addr" frames?  In a typical SNMP MIB it is
> reported as discards and blowing our monitor's mind :-)
>
> Jeff
>
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