[HECnet] Decnet on RSX-11
Kurt Hamm
kurt at hamm.me
Sat Jun 8 18:37:10 PDT 2019
Yes, IP on both PDP-11 and Moe show IP-starting. I am looking at the MAC
addresses
NCP>SHOW KNOWN CIRCUITS
Known circuits summary as of 8-JUN-2019 21:34:59
Circuit = UNA-0
State = Off
Circuit = IP-0-0
State = On-starting
Circuit = IP-0-1
State = Off
On Sat, Jun 8, 2019 at 9:12 PM Johnny Billquist <bqt at softjar.se> wrote:
> Since DECnet decides what MAC address you are supposed to have, they
> *have* to have the same MAC address in simh, which is why I was pointing
> out that if you actually had them on the same ethernet segment, you are
> messed up. :-)
>
> They have to have the same address because it is derived from the DECnet
> address, and your machine only ever have one DECnet address. DECnet do
> not have an address per interface, like IP do.
>
> Johnny
>
> On 2019-06-09 03:08, Kurt Hamm wrote:
> > OK. I did have two ethernet adapters configured for each server. I
> > disabled the second one. But, worse, in the simh ini file, both servers
> > had the same MAC addresses associated with their ethernet adapters. I
> > am not sure how this ever worked.
> >
> > I am still checking things and will start working on that PDP-11
> > default thing shortly.
> >
> > Kurt
> >
> >
> >
> > On Sat, Jun 8, 2019 at 8:47 PM Johnny Billquist <bqt at softjar.se
> > <mailto:bqt at softjar.se>> wrote:
> >
> > Oh, and by the way... Do you have two physical, separate ethernets?
> > Because otherwise you might be in even more trouble, as you have two
> > ethernet interfaces defined on MOE, and they both see LARRY. If you
> > actually have two ethernet networks between the two machines, then
> > everything is fine. Otherwise you are actually very messed up.
> >
> > Johnny
> >
> > On 2019-06-09 02:45, Johnny Billquist wrote:
> > > Maybe not much comfort, but MOE isn't using the multinet link to
> > LARRY
> > > either, but is also talking over ethernet.
> > >
> > > Johnny
> > >
> > > On 2019-06-09 02:36, Kurt Hamm wrote:
> > >> Ugh. Back to work.
> > >>
> > >> I did see some errors....
> > >>
> > >> Kurt
> > >>
> > >> On Sat, Jun 8, 2019, 8:35 PM Johnny Billquist <bqt at softjar.se
> > <mailto:bqt at softjar.se>
> > >> <mailto:bqt at softjar.se <mailto:bqt at softjar.se>>> wrote:
> > >>
> > >> Well, just taking a peek at CURLY, I can also tell that you
> > have not
> > >> managed to get the multinet links up and running, but are
> > >> communicating
> > >> with DECnet over ethernet. :-)
> > >>
> > >> Johnny
> > >>
> > >> On 2019-06-09 02:20, Kurt Hamm wrote:
> > >> > That's it! Everything works great. I have the node list
> > and can
> > >> access
> > >> > reachable nodes from the PDP-11.
> > >> >
> > >> > This is just really wonderful.
> > >> >
> > >> > As a thank you, I will leave the mailing list alone for a
> > >> while. ha!
> > >> >
> > >> > Kurt
> > >> >
> > >> > On Sat, Jun 8, 2019 at 6:42 PM Johnny Billquist
> > <bqt at softjar.se <mailto:bqt at softjar.se>
> > >> <mailto:bqt at softjar.se <mailto:bqt at softjar.se>>
> > >> > <mailto:bqt at softjar.se <mailto:bqt at softjar.se>
> > <mailto:bqt at softjar.se <mailto:bqt at softjar.se>>>> wrote:
> > >> >
> > >> > Ok, a quick rundown on some of the more esoteric
> details
> > >> about lines
> > >> > and
> > >> > circuits might be useful here.
> > >> >
> > >> > First of all, Kurt, you might want to redo the NETGEN
> > and not
> > >> set the
> > >> > system up for DECnet routing. It takes a lot of
> > resources,
> > >> and if you
> > >> > don't really want it, you are much better off with a
> > system
> > >> not even
> > >> > generated for it.
> > >> >
> > >> > The question about remote nodes are just for an
> initial
> > >> population of
> > >> > your local nodename database. All you need there is
> > really to
> > >> define
> > >> > MIM
> > >> > (1.13). You can then copy the whole nodename database
> > from
> > >> MIM over to
> > >> > your machine that way instead. Let me know if you
> > want some
> > >> details on
> > >> > that step.
> > >> >
> > >> >
> > >> > On 2019-06-08 22:25, Mark Matlock wrote:
> > >> > > Kurt,
> > >> > > If you want two circuits like UNA-0 and IP-0-0
> I
> > >> think you
> > >> > have to
> > >> > > be a routing node (but not an area router).
> > >> >
> > >> > Not really, but maybe. If you define multiple
> > circuits, and
> > >> are an
> > >> > end-node, only one circuit will be active. But others
> can
> > >> exist, and
> > >> > the
> > >> > system will fall back to some other circuit if the
> > active one
> > >> goes
> > >> > down.
> > >> > So it can be used as a back connection.
> > >> >
> > >> > However, even as an end-node, you can have several
> > *lines*
> > >> on and
> > >> > active
> > >> > at the same time. And this is a trick to use if you
> want
> > >> > DECnet-over-IP,
> > >> > but want to be an endnode. You need ethernet for
> > TCP/IP to
> > >> work, but
> > >> > you
> > >> > do not want DECnet to use the ethernet circuit.
> > >> >
> > >> > But you configure one IP line as well, and that is
> > the one
> > >> DECnet will
> > >> > be using. Meanwhile, TCP/IP is using the ethernet
> line.
> > >> >
> > >> > It might sound a little confusing, but think about it
> > for a
> > >> second, and
> > >> > I hope it becomes clear. Otherwise, just ask, and
> > I'll try to
> > >> > explain it
> > >> > better.
> > >> >
> > >> > > Also, you should define all the nodes you want to
> > talk
> > >> to with
> > >> > NCP in
> > >> > > one of the startup files or do it with CFE but I
> > prefer
> > >> startup
> > >> > so it’s
> > >> > > simple to change.
> > >> >
> > >> > I would actually say that you wouldn't. Of course,
> > there is
> > >> nothing
> > >> > wrong in doing this, but if you want the full HECnet
> > nodename
> > >> database,
> > >> > it contains 700 nodes. That will take a while to type
> in.
> > >> >
> > >> > However, you can copy the nodename database from
> another
> > >> DECnet node,
> > >> > and then use this.
> > >> >
> > >> > But you need at least the nodename of someone where
> > you will
> > >> be copying
> > >> > from to start with, which is why I suggested adding
> > MIM at
> > >> the start.
> > >> >
> > >> > After that, there is [5,54]NNC which is the nodename
> > >> collector task.
> > >> > Run
> > >> > it, collect names from another node, and build a new
> > database
> > >> with
> > >> > this.
> > >> > Then stop and restart the node name server, and you
> > have all
> > >> the nodes
> > >> > defined.
> > >> >
> > >> > (The node name server is managed by the command SCP.
> > >> > So, SCP STOP followed by SCP START will do it.)
> > >> >
> > >> > Johnny
> > >> >
> > >> > --
> > >> > Johnny Billquist || "I'm on a bus
> > >> > || on a
> > psychedelic trip
> > >> > email: bqt at softjar.se <mailto:bqt at softjar.se>
> > <mailto:bqt at softjar.se <mailto:bqt at softjar.se>>
> > >> <mailto:bqt at softjar.se <mailto:bqt at softjar.se>
> > <mailto:bqt at softjar.se <mailto:bqt at softjar.se>>> ||
> > >> > Reading murder books
> > >> > pdp is alive! || tryin' to stay
> > hip" -
> > >> B. Idol
> > >> >
> > >>
> > >> -- Johnny Billquist || "I'm on a bus
> > >> || on a psychedelic trip
> > >> email: bqt at softjar.se <mailto:bqt at softjar.se>
> > <mailto:bqt at softjar.se <mailto:bqt at softjar.se>> ||
> > >> Reading murder books
> > >> pdp is alive! || tryin' to stay hip" -
> > B. Idol
> > >>
> > >
> >
> > --
> > Johnny Billquist || "I'm on a bus
> > || on a psychedelic trip
> > email: bqt at softjar.se <mailto:bqt at softjar.se> ||
> > Reading murder books
> > pdp is alive! || tryin' to stay hip" - B. Idol
> >
>
> --
> Johnny Billquist || "I'm on a bus
> || on a psychedelic trip
> email: bqt at softjar.se || Reading murder books
> pdp is alive! || tryin' to stay hip" - B. Idol
>
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