Just recently Orion starting reporting about discards that it is seeing on my switch. I logged into the switch to see if it was actually seeing anything, but I'm not seeing errors of any kind.
Here is some of my output.
# show interfaces counters ethernet g24
Port InUcastPkts InMcastPkts InBcastPkts InOctets
---------------- ----------- ----------- ----------- ----------
g24 278094584 2 129549 346249339914
Port OutUcastPkts OutMcastPkts OutBcastPkts OutOctets
---------------- ------------ ------------ ------------ ----------
g24 89435544 2201126 2058204 19949353137
FCS Errors: 0
Single Collision Frames: 0
Late Collisions: 0
Excessive Collisions: 0
Oversize Packets: 0
Internal MAC Rx Errors: 0
Received Pause Frames: 0
Transmitted Pause Frames: 0
#
Here is the version information
# show version
SW version 2.0.0.40 ( date 16-Jan-2007 time 12:24:45 )
Boot version 1.0.2.02 ( date 23-Jul-2006 time 16:45:47 )
HW version 00.00.02
#
Orion is reporting that I'm getting 13000+ discards a day on this port right now.