[Simh] DECnet for TOPS-10

[Rob Jarratt]

Is there any particular software distribution tape you would recommend out
of these:
http://bitsavers.informatik.uni-stuttgart.de/bits/DEC/pdp10/magtape/dec_dist
ribs/decnet/

Thanks

Rob

> -----Original Message-----
> From: simh-bounces at trailing-edge.com [mailto:simh-bounces at trailing-
> edge.com] On Behalf Of Timothe Litt
> Sent: 19 April 2013 03:27
> To: 'Johnny Eriksson'
> Cc: simh at trailing-edge.com
> Subject: Re: [Simh] DECnet for TOPS-10
> 
> > how can I check in TOPS-20 to see if the device is visible and then
> > install DECnet?
> You need to install DECnet first.  It's pretty easy.
>    See
> http://ia801607.us.archive.org/21/items/bitsavers_decpdp10TOTMTOPS20D
> ECnet20ProgrammersGuideJan80_10120529/AA-5091B-TM_TOPS-
> 20_DECnet-20_Programmers_Guide_Jan80.pdf
> 
> ps:<system>4-1-config.cmd
> add 1 line:
> NODE name number (e.g. NODE HAPPY 7.3)
> 
> ps:<system>sysjob.run
> Look for last job.  If FAL or NETCON is missing, add as follows at end of
file:
> JOB <n+1> \LOG OPERATOR XX OPERATOR
> ENA
> RUN SYS:FAL
> \
> JOB <n+2> \LOG OPERATOR XX OPERATOR
> ENA
> RUN SYS:NETCON
> \
> 
> (n.b. XX is literal - NOT the operator password.)
> 
> Reboot
> 
> $opr
> opr> enter ncp
> ncp> show known lines
> ncp> show known circuits
> ncp> exit
> opr> exit
> 
> (Add char, stat, or count to the show commands as desired.  ? will give
in-
> line help.)
> 
> inf decnet for quick node status.
> 
> For TOPS-10:
> MONGEN will prompt for the DECnet node name/number, etc.  Build & boot
> the monitor.
> 
> .resources should (I think) show KDP, and you should see KDPLDR run at
> startup
> 
> .r opr
> (same)
> 
> or
> .network /anf
> .network /decnet
> 
> .node <name> for reachability of a node
> 
> Enjoy.
> 
> This communication may not represent my employer's views, if any, on the
> matters discussed.
> 
> On 18-Apr-13 14:58, Rob Jarratt wrote:
> >
> >> -----Original Message-----
> >> From: simh-bounces at trailing-edge.com [mailto:simh-bounces at trailing-
> >> edge.com] On Behalf Of Johnny Eriksson
> >> Sent: 14 April 2013 21:10
> >> To: simh at trailing-edge.com
> >> Subject: Re: [Simh] DECnet for TOPS-10
> >>
> >> <r.jarratt at computer.org> wrote:
> >>
> >>> That has got to be worth integrating into the latest SIMH. Does that
> >>> mean we can get DECnet running on TOPS-10 on SIMH? I would love to
> >>> know how you actually install and set it up on TOPS-10.
> >>>
> >>> I will try to find some time to get the KMC/DUP into the latest SIMH.
> >> You are welcome.  A number of random points:
> >
> > I have compiled something very basic into PDP10, the network code is
> > actually stubbed out at the moment as I have to replace it with
> > current SIMH code (going to look at TMXR).
> >
> > In the meantime, how can I check in TOPS-20 to see if the device is
> > visible and then install DECnet? I remember finding some docs but I
> > can't find them again now.
> >
> >
> >
> >> * My code sends the DDCMP frames out as UDP datagrams, and receives
> >>    frames the same way.  You simply specify src/dst ports, and possibly
> >>    an address (defaulting to 127.0.0.1).  This means that there is no
> >>    need to do elaborate (blocking) setups of TCP connections etc. from
> >>    inside the simulator.  This also makes it trivial to connect two
> >>    simulators running on the same machine, or on the same (trusted)
LAN.
> >>
> >> * A side effect of this is that you can have a helper process on your
> >>    machine that does the TCP magic and also encrypts the traffic out
> >>    on the evil internet.  My normal (at the moment defunct) setup is
> >>    done that way.  One such program is on the site, named "stuk2.c"
> >>    (don't ask...)
> >>
> >> * You can in theory write a helper process to talk to some real
> >>    piece of hardware.  I have not tested, but it should work to send
> >>    the frames to a serial port and connect it to a real machine
> >>    running async DECnet on a terminal line...
> >>
> >> * The current crypto in stuk2 is weak.  Not the algorithm itself,
> >>    RC4 (tm) is used, but some random padding etc. should be applied
> >>    on the data stream, since it normally consists of 6-byte idle
> >>    frames, with mostly known bits...
> >
> > Not sure what you are referring to here.
> >
> > Thanks
> >
> > Rob
> >
> >> * The actual KS10 supports one KDP with 2 DUPs.  There are several
> >>    reasons for this, like unibus load, unibus space and speed.  This
> >>    places some limits in case one wants to build a network of emulators
> >>    and want to run both ANF and DECnet.  The KMC itself supports 16
> >>    if I remember correctly.  We should have at least 6-8, and allow
> >>    for a fairly simple mod to Tops10 to handle them.
> >>
> >> * I am willing to help out, but I have very limited time until after
> >>    the CuG conference, mid May.
> >>
> >>> Regards
> >>>
> >>> Rob
> >> --Johnny
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