Hi Snowy,
I have similar hasrates to you. Are you using the standard difficulty port (3333) or using the higher difficulty port? I seem to be smashing in a heap of shares at around 13.4k difficulty. Not that it's a huge problem, just looking at the impact on bandwidth.
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Hi, yes i'm using the regular 3333 port, which quite stable for my machine.
Going to spare another shot for 24 hours before headed back to regular mining

Wish you all good luck.