Messages in this thread |  | | | From | (Alan Cox) | | Subject | Re: Slow PPP - caused by duplicate packets? | | Date | Sat, 30 Mar 1996 21:58:30 +0000 (GMT) |
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> It _looks_ like the other end is ignoring our first ACK, so it times out, > and then sends the packet again. And then we ACK it twice (that's normal > linux behaviour - there's the "normal" ACK, and then there is an extra > one that comes from the fact that the linux TCP code decides we'd better > ack again when we got a packet re-sent). > > Now, WHY is Solaris ignoring our first ACK?
Is our first ack falling out of the cable, or not being sent or something like that.
> Alan, any ideas? The other end would be perfectly right in ignoring our > packets if they get sent out with the wrong checksum, for example. Or > maybe the compression code (both cslip and ppp use the same code, no?) > has problems and "compresses" the packets to something unrecognizable?
I'd like to see the other end's view of the data. It could be a bug below the level tcpdump sees.
Alan
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