Messages in this thread | | | Date | Thu, 26 Mar 1998 10:41:53 +0100 (MET) | From | Rik van Riel <> | Subject | Re: "Greased TCPenguin" |
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On Thu, 26 Mar 1998, Richard Gooch wrote:
> > > > >TCPv4 bad checksum from 130.155.198.47:0448 to 130.155.191.26:1770, len=32/32/52 > > > > >TCPv4 bad checksum from 130.155.198.47:0201 to 130.155.191.26:03ff, len=20/20/4 > > > > > > > > I read messages such us this a lot of times but I never related it to a > > > > possible TCP bug, I always think that the ppp/slip is a poor connection > > > > and can miss something (we use checksum for that cases no?). > > > > > > My modem link has compression and error checking, so in theory I have > > ^^^^^^^^^ > > (but your serial cable between computer and modem hasn't), also note > > that theory and practice often differ. Another possibility is that > > the packets got corrupted further down the link. > > The modem cable is properly shielded. The serial link runs at 115 k. > Is this really likely?
When you load your box high enough, or when DMA transfer is going on, you just might miss one serial interrupt...
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