pong errors are not important, push messages are. A pong error is every pong you did not request, - so basically all the pongs you get as a leaf are counted as pong errors.

I don't think you can do any more than forwarding the ports to your computer's local ip address and force the correct ip with LimeWire.

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Morgens ess ich Cornflakes und abends ess ich Brot
Und wenn ich lang genug gelebt hab, dann sterb ich und bin tot

--Fischmob