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I have setup a LAN using mac airports and the nodes are macminis. The OS is Lion 10.7.3. the macport connect to the Internet using cable and the internal connection is wireless. I tried to ping each machine. The latency is very high, from several ms to 1s. But the latency is just below 1ms if I use cable instead of wireless. Does anybody know why this problem happen?

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migrated from stackoverflow.com Apr 18 '12 at 8:06

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sorry, I'll ask my question there. –  Fei Su Apr 17 '12 at 9:41

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