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Altera_Forum
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14 years ago

Altera Offload UDP IP-How to change Minimum Packet Size

Hi, I'm trying to use Altera UDP Offload IP for my project. But the minimum packet size is 46, the minimum UDP payload is 18 bytes. This is a limitation. If the UDP payload is less than 18 byt...
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Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

The 46 minimum packet size is due to Ethernet physical medium.

AFAIK this derives from collision detection requirements, since this is the minimum frame length which guarantees that overlapping frames are discovered.