At 01:12 PM 9/25/2002 +0100, Lloyd Wood wrote: >A datagram is self-describing; full source and destination. A fragment >(IPv4 fragment) may not be. you sure? take a GOOD look at RFC 791... It is completely self-describing in terms of getting itself there and where it belongs in the reassembled datagram. If the other bits and pieces don't arrive, there is another matter, but it is at that point a host issue, not a forwarding issue.