I am testing a 3750ME switch as L2 device with iperf and Agilent router tester. I have a physical loop on 2 fastethernet ports - one port is access in vlan A and the other is access in vlan B. On the switch uplink both vlans are allowed. The test traffic comes from the uplink via vlan A, loops to vlan B via the physical loop and then goes back via vlan B through the uplink.
I have tested a lot of Cisco switches in this way and had no issues until now. Now I have 18 OutDiscards (Total output drops) on one of the fastethernet interfaces, connected via the physical loop.
The IOS is 12.2(44)SE1. I've read the release notes for this IOS, aka
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