Error ip header checksum

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originally posted by rugbybloke+dec 16 2005, 12:07 pm--><div class='quotetop'>quote (rugbybloke @ dec 16 2005, 12:07 pm)</div>

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<!--quotebegin-dannyjacobs@Dec 16 2005, 02:08 AM

hi slacker,

i disabled the udp checksum from nios ii to pc, but when i send a udp-message to nios ii from pc i alway get an incorrect checksum. it always says it is 0x0000 in stead of e.g. 0x4f7a. is this because lwip disables all ip-options!? and it works fine. everything works the way it should, but it is just something that bothers me...

cheers,

danny

<div align='right'><{post_snapback}> (index.php?act=findpost&pid=11606)

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Danny,

I suggest you either re-read Slacker&#39;s post or follow my advice on learning how to help yourself.

A UDP checksum of 0 is not incorrect as Slacker said it means NO CHECKSUM. As UDP checksums are optional this is perfectly OK.

<div align='right'><{post_snapback}> (index.php?act=findpost&pid=11622)</div>

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Rugbybloke,

I suggest you learn to READ and not to follow in anyones footsteps.... Just read my first post again and try to UNDERSTAND what is written down there. Perhaps you should go back to primairy school and start learning the alphabet and the meaning of words again.

Good luck with that! http://forum.niosforum.com/work2/style_emoticons/<#EMO_DIR#>/smile.gif

Cheers,

Danny