> Johnny Billquist <bqt@softjar.se> wrote:
>The -2020 will be tricky to get up on HECnet, though. As far as I

>remember/know, it only officially had Phase III. And you need to run

>TOPS-20 V4.

>

>Not sure if Tops-10 ever had DECnet on them, but if it did, I would

>suspect it's the same story there. The -2020s I ever used just ran

>Tops-10 with ANF-10.

  Oh, come on - be serious...  TOPS-10 had DECnet Phase-IV, both on the KL and the KS (2020) machines.  There are even some such machines on HECnet today!!

$ set host venti

SIMH KS10 VENTI 7.04 NET 12:36:12 TTY10 system 4999

Connected to Node LEGATO Line # 0

AUTHORIZED USERS ONLY!

Please LOGIN

.net

[ANF10 network: connected to VENTI(20), located at VENTI(20), 3 nodes]

Node    VENTI   (20)    SIMH KS10 VENTI 7.04 NET        18-Nov-21

Node    TWONKY  (37)    TWONKY KS10 TOPS10 7.04 28-Nov-21

Node    TWONK2  (40)    TWONK2 KS10 TOPS10 7.04 28-Nov-21

[DECnet network: local node VENTI, 17 reachable nodes in area 2]

(2.99)  (2.152) (2.153) (2.170) (2.199) A2RTR   BOINGO  GLDRTR  HUSKY   LEGATO

MASTIF  REACH   THEARK  TOMMYT  VENTI   VENTI2  ZITI

.KJOB

.ini

SIMH KS10 VENTI 7.04 NET 12:36:21 TTY10 system 4999

Connected to Node LEGATO Line # 0

AUTHORIZED USERS ONLY!

Please LOGIN

.log 13,730

Job 14  SIMH KS10 VENTI 7.04 NET  TTY0

Password:

[LGNLAS Last access to [13,730] succeeded on  6-Sep-122:07:27:46]

12:38    6-Sep-122   Tuesday

.set host mim

[Connected to RSX-11M+ system MIM::, using CTERM protocol]

[Type ^\,<RET> to return]

?NRTRMT Required message types not all supported

.

  It even understands how to talk to other areas, although MIM doesn’t seem very friendly.

  The 2020 machines never had Ethernet, at least not in any official capacity.  Perhaps that’s what you are confused about?  A 2020 only supported synchronous links and could only be an end node.

Bob