We use 2930f-stack with a 10g Track to Backend and a client switches are behind a 980MBit Wan Link to Aruba CX 6000.
The CX 6000 does had no dropped tx packets.
The AOS-S 2930f had dropped tx packets when packets should be send to the Wan Link (see picture)
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ZeitlerMatthiasmz@vfm-gruppe.de------------------------------