yan,

did you try to use packet capture software like wireshark, or snoopy(8)
on plan 9, to see the packets?

running wireshark on linux, and snoopy on plan 9, will give you insight
into if the packets reach the other side successfully.

On Mon, May 26, 2014 at 08:06:21PM -0400, yan cui wrote:
> Hi all,
>
>     I used a program to dial from one system to another system, but
> it gives a connection time out error. I have searched on Internet for a
> long time and cannot get a solution. Could you please provide some
> suggestions or hints? Basically, one system is Linux based system with rc
> shell installed (we call it A). The other one is a auth+cpu+file server
> (we call it B). On B, I have used fossil/conf command to listen tcp!*!564.
> On A, I executed dial tcp!<B's ip address>!564, but it reports a time out
> error after waiting some time. Results are the same when A is a plan9
> terminal. By the way, I can ping A to B successfully.  What could be the
> possible problems?
>
>
> Thanks, Yan
>
> --
> Think big; Dream impossible; Make it happen.