Use toolbox to open a text terminal to the 8x2
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type IPT and hit enter
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that's your ip table
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you can remove entries by typing "REMM (IPID#) (Address)" and add entries by typing "ADDM (IPID#) (Address)"
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You need an entry in there to point the ipid of whatever the 8x2's ipid in your processor code is, at the ip address for your processor.