On a Cisco swich (6500 series) should I worry about packet discards on some ports over 200 per minute?

Our What's Up Gold alert for packet discards is showing about 10 ports with nearly 300 packets discarded per minute on our Cisco 6513 switch.  Should I worry about this or is it normal?  We have a network with about 400 devices.
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Its really depends why they are being discarded.

There most likly one of too issues happening.

a) Its dropping packets because they are failing crc checks or some such (check the cabls to resolve)

b) your switch is running at the limit and is dropping packets because it does not have enough bandwidth avilable on its back plane to sent it. This is normal overload behavior for a switch. To stop this from happening you would need to offload some things onto another switch or re-arrange our network to run more effiently. Or upgrade your hardware. To get an idea you want the sum of all packets flowing across the switch get a percentage of whats being dropped and if its < 1% dont even worry about it.

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