Hmmmm... >> (3) 258 2.414096 192.168.1.20 192.168.1.60 TCP 54 56864 → cisco-sccp [ACK] >> Seq=65157 Ack=1288 Win=16054 Len=0 A 54 byte packet is too small (http://en.wikipedia.org/wiki/Ethernet_frame#Runt_frames). Can you check the ethernet flags generated by your hardware, to see if it has dropped anything? You can sometimes configure the hardware to accept "Runt Frames". Alternatively, make sure your host pads to 64. Marty
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